文件名称:kav7key090507
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以把直接数字频率合成（DDS）看成这样一种技术，它能用数字值形式的信号控制正弦波的频率。最简单的DDS电路包括一个二进制计数器，一个以等间隔正弦波值进行全波编程的ROM，以及一个数模转换器，用于将存储的正弦波值转换为电压。计数器的时钟频率决定了正弦波的频率，但这种结构并不灵活。
-To the Direct Digital Synthesis (DDS) as such a technology, it can use the digital value of the form of the frequency of sine wave signal control. The simplest DDS circuit includes a binary counter, such as between a full-wave sine wave value programmed ROM, and a Digital to Analog, used to store the value of the sine wave into a voltage. Counter clock frequency determines the frequency of sine wave, but the structure is not flexible.
-To the Direct Digital Synthesis (DDS) as such a technology, it can use the digital value of the form of the frequency of sine wave signal control. The simplest DDS circuit includes a binary counter, such as between a full-wave sine wave value programmed ROM, and a Digital to Analog, used to store the value of the sine wave into a voltage. Counter clock frequency determines the frequency of sine wave, but the structure is not flexible.
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下载文件列表
KAV7(sch)-2009.05.22-048FBCFB.key
KAV7(sch)-2009.06.06-04A4C4FB.key
KAV7(sch)-2009.07.25-03E8925B.key
KAV7(sch)-2009.09.27-044930E2.key
KAV7-2009.05.30-052B99C9.key
KAV7-2009.06.11-03A2A526.key
KAV7-2009.06.12-053A4419.key
KAV7-2009.06.14-053E5CD4.key
KAV7-2009.06.14-053E5D47.key
KAV7-2009.06.21-0544E6EA.key
KAV7-2009.06.29-03723F9A(v5).key
KAV7-2009.06.29-03723FB6(v5).key
KAV7-2009.07.15-055EAD2A.key
KAV7-2009.07.31-05007D7D.key
KAV7-2009.07.31-05008A2C.key
KAV7-2009.07.31-054A7BFC.key
KAV7-2009.07.31-054A7C0C.key
KAV7-2009.07.31-0562AF89.key
KAV7-2009.07.31-0562B0D6.key
KAV7-2009.07.31-0562BE58.key
KAV7-2009.07.31-0562BEA5.key
KAV7-2009.08.01-0340C64B.key
KAV7-2009.10.29-03B23719.key
KAV7-2009.11.01-044F2919.key
KAV7-2010.04.30-03551C1B.key
KAV8(sch)-2009.10.12-0459C3FA.key
KAV7(sch)-2009.06.06-04A4C4FB.key
KAV7(sch)-2009.07.25-03E8925B.key
KAV7(sch)-2009.09.27-044930E2.key
KAV7-2009.05.30-052B99C9.key
KAV7-2009.06.11-03A2A526.key
KAV7-2009.06.12-053A4419.key
KAV7-2009.06.14-053E5CD4.key
KAV7-2009.06.14-053E5D47.key
KAV7-2009.06.21-0544E6EA.key
KAV7-2009.06.29-03723F9A(v5).key
KAV7-2009.06.29-03723FB6(v5).key
KAV7-2009.07.15-055EAD2A.key
KAV7-2009.07.31-05007D7D.key
KAV7-2009.07.31-05008A2C.key
KAV7-2009.07.31-054A7BFC.key
KAV7-2009.07.31-054A7C0C.key
KAV7-2009.07.31-0562AF89.key
KAV7-2009.07.31-0562B0D6.key
KAV7-2009.07.31-0562BE58.key
KAV7-2009.07.31-0562BEA5.key
KAV7-2009.08.01-0340C64B.key
KAV7-2009.10.29-03B23719.key
KAV7-2009.11.01-044F2919.key
KAV7-2010.04.30-03551C1B.key
KAV8(sch)-2009.10.12-0459C3FA.key