文件名称:dianluji

  • 所属分类:
  • 其它资源
  • 资源属性:
  • [PDF]
  • 上传时间:
  • 2008-10-13
  • 文件大小:
  • 5.42mb
  • 下载次数:
  • 0次
  • 提 供 者:
  • 魏*
  • 相关连接:
  • 下载说明:
  • 别用迅雷下载,失败请重下,重下不扣分!

介绍说明--下载内容均来自于网络,请自行研究使用

内含各国最基础的电路图,并做了详细的说明,对做底层开发的人员很有用.
(系统自动生成,下载前可以参看下载内容)

下载文件列表

压缩包 : 51622411dianluji.rar 列表
外国下载电路集\快捷方式 到 index.htm.lnk
外国下载电路集\Sam Electronic Circuits - Datasheets\0.gif-tag=555333&j=n.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\10_to_1mhz_frequncy_converter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\10_to_1_MHZ_Converter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\12vdc_to_220vac_converter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\12vdc_to_220Vac_converter_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\12vdc_to_220Vac_converter_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\12v_220v_pcb.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\2ch_mixer_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2ch_mixer_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2ch_mixer_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2ch_mixer_block.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2ch_mixer_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\2ch_mixer_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\2way_active_crossover_with_linear_phase.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\2way_active_cross_linear_phase.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2way_active_cross_linear_phase_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2way_active_cross_linear_phase_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2_way_active_loudspeaker_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2_way_active_loudspeaker_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2_way_active_loudspeaker_block.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\2_way_active_loudspeaker_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\2_way_active_loudspeaker_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\3way_active_crossover_with_linear_phase_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\3way_active_crossover_with_linear_phase_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\3w_cross_lin_phase_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3w_cross_lin_phase_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3w_cross_lin_phase_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3_band_EQ.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3_band_eq.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\3_way_active_loudspeaker_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\3_way_active_loudspeaker_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\3_way_active_lsp_block.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3_way_active_lsp_crossover.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3_way_active_lsp_power.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\3_way_active_lsp_protection.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\7_frequency_generator.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\acfilter1.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\acoustic_tone.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\acoustic_tone.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Acrobat_reaber.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\adjstable_power_supply_30.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\adjstable_power_supply_30.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\air_ionizer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\air_ionizer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\akides.jpeg
外国下载电路集\Sam Electronic Circuits - Datasheets\Arrow.GIF
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_auto_fade.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\audio_auto_fade.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_mixer_6_ch_ENG.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_mixer_6_ch_GR.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\audio_mixer_pc.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\audio_mixer_pc.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_Note_conquest_300B_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_Note_conquest_300B_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\audio_note_conquest_power_amp.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_peak_indicator.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\audio_peak_indicator.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\audio_preamplifier_with_digital_volume.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_pre_with_Digital_volume_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_pre_with_Digital_volume_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Audio_pre_with_Digital_volume_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Auto_flash_stop.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\auto_flash_stop.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Auto_flash_stop1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\baby_watch_out.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\baby_watch_out.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\balance_gain.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\balance_to_balance.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\balance_to_balance.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\balance_with_gain.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\best_pcb.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\Bridge_amlifier_15W.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\bridge_amplifier.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Bridge_amplifier_25W.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Bridge_amplifier_35W.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Bridge_amplifier_4W.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Bridge_converter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\bridge_converter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\car_12v_battery_charger.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Car_baterry_charger.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\car_battery_6v_or_12v_charger.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\car_batt_6_12_charger_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\car_batt_6_12_charger_b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Car_lamb_failure_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\car_lamb_failure_swittch.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\car_parking1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\car_parking2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Car_Parking_Indicator.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\car_parking_sw.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\Class_A_amlifier_IC.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\class_a_amp_ic.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Class_A_Buffer_amplifier.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\class_a_buffer_amplifier.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Clue_engaged_telephone_line.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\clue_engaged_telephone_line.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\collection_of_three_clock_generators.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Collection_three_clock_generators.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\company.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\database.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\datasheetarchive_com.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\DC_Voltmeter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\dc_voltmeter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\different_out_voltage_from_12v_bat.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Different_out_voltage_from_12V_Battery.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_ambermeter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_block_supply.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_Clock_MM5314N.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_clock_with_MM5314N.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_ping_pong_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_ping_pong_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_ping_pong_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_ping_pong_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_Roulette.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_roulette.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_up_down_sel_8.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_up_down_sel_8.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Digital_voltmeter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_volt_and_ambere_meter_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\digital_volt_and_ambere_meter_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\digits-COUNT=2006934&STYLE=1&ACCOUNT=2515536.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\digits-COUNT=2006937&STYLE=1&ACCOUNT=2515536.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Diode_Zener_Tester.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Diode_zener_tester.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\dischage_indicator_for_12v_batt.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\discharge_12v.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Dome_light_dimmer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\dome_light_dimmer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\dot-1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\dot.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\downloads.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Dynaco_ST-70.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\dynaco_ST70.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\d_m.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\e-panorama.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\eagle_pcb.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Electrocompaniet.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electrocompaniet.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic-tutorials.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronics2002.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronics_usa.GIF
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_3W_crossover.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_3w_crossover.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_dice_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_dice_2_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_dice_2_b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_dice_2_c.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_dice_A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_dice_a.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_fuse.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_fuse.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_sel_10_D.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_sel_10_step_d.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_sel_8.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_sel_8.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_siren.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_siren.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Electronic_switch_ON_OFF.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\electronic_switch_ON_OFF.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_switch_for_lamb.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_switch_for_lamb_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_timer_switch_for_lamb1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_timer_switch_for_lamb2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_timer_switch_for_lamb3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_timer_switch_for_lamb4.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_timer_switch_for_lamb5.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\elect_timer_switch_for_lamb6.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\eq_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\EQ_10_Band.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\EQ_10_band.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\EQ_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\EQ_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\EQ_3.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\e_Web_search.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\Filter_butterworth_12dB.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Flasher_2_led.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\flasher_with_2_led.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_counter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_counter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_Divider.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_divider.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_divider_with_7490.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_divider_with_7490.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_doubler_with_4011.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_doubler_with_4011_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_doubler_with_4011_b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_doubler_with_4069.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_doubler_with_4069.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_meter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_meter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Frequency_multiplier.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\frequency_multiplier.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\fuse.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\Greece_small.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\guestbook.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\HAFLER_DH_200.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Hampton_MC_Power_supply.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Hampton_MC_preamp.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\hampton_tube_preamplifier_for_moving_coil.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\HARLER_DH_200.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\headphone_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\headphone_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\headphone_amplifier_class_a.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\headphone_amplifier_with_tda2004.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Headphone_amp_classA.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Headphone_amp_with_TDA2004.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\heatsink.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\High_temperature_alarm.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\high_temperature_alarm.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\i.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\IC_MASTER.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\IEC_Registor_series.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\index.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\intermittetly_pulse_generator.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\klimafax_logo.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\L200.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\L200_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\lexiko.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Light_and_temperature_switch.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Light_temperature_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Links_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Logo_40wht.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\logo_ic_master.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Lsp_protection.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Lsp_protection.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Lsp_protection_block.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Lsp_protection_led.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\melody_door_ringer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\melody_door_ringer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\mica.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\Mic_Line_Balance.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\mic_line_balance.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Mini_audio_analyzer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\mini_audio_analyzer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_10.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_11.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_12.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_13.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_14.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_4_5.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_6_7.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_8.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MIXER_9.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MM5314N.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\MM5314N_clock_alarm.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\MODULE_Collection.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Module_Line_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Module_Line_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Module_Line_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\moving_coil_head_preamplifier_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Moving_coil_pre_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\New.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\NTE.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\over_and_under_voltage_switch_with_relay.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Over_under_voltage_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\parametric_mid_eq.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\parametric_mid_eq.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\PA_50W_0SU_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\PCB.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\peak_indicator.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\peak_indicator.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\phono_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\phono_1a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\phono_1b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\phono_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Phono_2a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Photodetector.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\photodetector.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_100w_vmosfet_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_12w_fet.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_170w.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amplifier_2X18W_with_TDA1516Q.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_2x18w_with_tda1516Q.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amplifier_2x5W_with_TDA1516Q.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_2x5w_with_tda1516Q.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_30w.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_35w_with_lm391.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_40w_class_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_40w_class_a.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_45w_hexfet_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_45w_hexfet_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_50w_osu_ieee_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_50w_osu_ieee_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_60w.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_60w.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_60w_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amplifier_60w_Class_A_Eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amplifier_60w_Class_A_Gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_65w_hexfet_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_65w_hexfet_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_8w.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_8w.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amplifier_EL34.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amplifier_for_loudspeaker_6W_8R.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_ampl_stk.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_100W_Vmosfet_A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_12W_FET.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_170W.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_300W.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amp_300w.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_300Wpcb.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_30w_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_30w_b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_30w_c.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_35w_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_35w_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_35w_3.JPG
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amp_45w_hexfet.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amp_45w_hexfet_pcb1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_4W-8W_with_TDA2005.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_4W-8W_with_TDA2005.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_60W_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_60w_with_tda7294.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amp_65w_a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amp_65w_b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_amp_65w_c.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_6w_8R.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_amp_STK.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\POWER_SUPLLY_FOR_AMPLIFIER_B.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply_0_15V.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_supply_0_15v_1a.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply_0_30V_0_2A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_supply_0_30V_2A.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply_20V15A_and_12V3A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply_20V15A_and_12V3A.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply_30.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_supply_30.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Power_supply_50V_3A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\power_supply_50V_3A.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\power_supply_for_amplifiers_B.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_block.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_buf_gain.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_main.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_sel.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_modular_supply.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Preamplifier_with_adjustment_tone.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamplifier_with_adjustment_tone.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\preamp_2a.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamp_2b.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamp_2c.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\preamp_line_2_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\preamp_line_2_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Programmable_frequency_divider.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\programmable_frequency_divider_with_7490.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\protection_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\protection_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Protection_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\protection_2_EN.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\protection_2_GR.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\R1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\R1A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\R1B.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\R1C.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\RadiostartGB.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\rectifier_bridge.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\registor_code_color.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Registor_color_code.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\registor_iec_series.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\relay2.jpeg
外国下载电路集\Sam Electronic Circuits - Datasheets\Relay_sel_8.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Relay_sel_8.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Relay_timer_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\relay_timer_switch.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Remove_sound.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\remove_sound_from_stereo_signal.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\RF_amp_wide_band.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\RF_amp_wide_band.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\RIAA.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SamClock.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\samclock_english.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\samclock_ringer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\samclock_ringer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\samgordon_clock_eng.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\samgordon_clock_gr.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\sam_electronic_circuits.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\sam_electronic_circuits.JPG
外国下载电路集\Sam Electronic Circuits - Datasheets\security_door_key_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\security_door_key_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\security_door_key_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\security_door_key_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_block.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_display.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_display_conn.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_main.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_supply.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_time_A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\SG_clock_time_B.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\sign2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\small_relay.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\small_switch.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\speetch_filter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\speetch_filter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\spy_for_two_telephone_lines.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\spy_for_two_telephone_lines.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Stand_by_battery.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\stand_by_battery.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_3.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_4.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\stereo_decoder_4.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\STK4038II.pdf
外国下载电路集\Sam Electronic Circuits - Datasheets\stk_datasheets.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\SUPPLY_FOR_POWER_AMP.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\surround_sound_decoder.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Surround_sound_decoder_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Surround_sound_decoder_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\symmetrical_audio_class_a_preamp_3.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\symmetrical_classA_pre_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\symmetrical_class_a_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\symmetrical_class_a_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Symmetrical_Class_A_Amplifier_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Symmetrical_Class_A_amplifier_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Symmetrical_from_single_voltage_supply.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\symmetrical__from_single_voltage.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\TDA7294_60w_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Telephone_line_monitor.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\telephone_line_monitor.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Telephone_line_monitor_pcb1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Telephone_line_monitor_pcb2.JPG
外国下载电路集\Sam Electronic Circuits - Datasheets\telephone_ringer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Temperature_window_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\temperature_window_switch.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\tester_vk6fh.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\tester_vk6fh.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\theory.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Thumbs.db
外国下载电路集\Sam Electronic Circuits - Datasheets\Timer_with_buzzer_and_optocupler.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\timer_with_buzzer_and_optocupler.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\tinalogo_links_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Tone_activated_relay_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\tone_activated_relay_switch.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\touch_button.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\touch_button.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Touch_dimmer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\touch_dimmer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Touch_switch_control.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\touch_switch_control.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Touch_switch_on_off.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\touch_switch_on_off.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\translation.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Tube_amp_3W_6BX7_A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\tube_amp_3W_6BX7_A.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Tube_line_preamplifier_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\tube_line_preamplifier_progect_1_English.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\tube_line_preamplifier_progect_1_Greek.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\tube_line_preampl_power_supply_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Tube_line_preampl_sel_delay_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Tube_Phono_preamp.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\tube_phono_preamplifier.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\tube_power_amplifier_EL84.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Tube_power_amp_5w_EL84.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Variable_filter.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\variable_filter.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\variable_resistor.jpg
外国下载电路集\Sam Electronic Circuits - Datasheets\Video_amplifier_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\video_amplifier_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Video_amplifier_1A.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Video_amplifier_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\video_amplifier_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\video_signal_emphasis.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Video_signal_emphasis_pcb1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Video_signal_emphasis_sh.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\view2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\Voltage_window_switch.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\voltage_window_switch.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Voltmeter_with_led.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\voltmeter_with_led_for_car_battery.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\VU_Meter_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_1.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\VU_Meter_2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\VU_Meter_3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_3.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\VU_Meter_4.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_4.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\VU_Meter_5.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_5_UAA180.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_for_power_amp1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_for_power_amp2.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_for_power_amp3.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\vu_meter_for_power_amp_2.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\Wide_rage_timer.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\wide_rage_timer.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\wien_bridge_oscillator.htm
外国下载电路集\Sam Electronic Circuits - Datasheets\WIEN_Oscillator.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\WIEN_Oscillator_1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets\zahlavi1.gif
外国下载电路集\Sam Electronic Circuits - Datasheets
外国下载电路集

相关说明

  • 本站资源为会员上传分享交流与学习,如有侵犯您的权益,请联系我们删除.
  • 本站是交换下载平台,提供交流渠道,下载内容来自于网络,除下载问题外,其它问题请自行百度更多...
  • 请直接用浏览器下载本站内容,不要使用迅雷之类的下载软件,用WinRAR最新版进行解压.
  • 如果您发现内容无法下载,请稍后再次尝试;或者到消费记录里找到下载记录反馈给我们.
  • 下载后发现下载的内容跟说明不相乎,请到消费记录里找到下载记录反馈给我们,经确认后退回积分.
  • 如下载前有疑问,可以通过点击"提供者"的名字,查看对方的联系方式,联系对方咨询.

相关评论

暂无评论内容.

发表评论

*主  题:
*内  容:
*验 证 码:

源码中国 www.ymcn.org