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MC145170在基本HF和VHF振荡器中的应用电路
消耗积分:10 |
格式:rar |
大小:333 |
2009-05-19
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Phase–locked loop (PLL) frequency synthesizers are commonly
found in communication gear today. The carrier oscillator
in a transmitter and local oscillator (LO) in a receiver are
where PLL frequency synthesizers are utilized. In some cellular
phones, a synthesizer can also be used to generate 90
MHz for an offset loop. In addition, synthesizers can be used
in computers and other digital systems to create different
clocks which are synchronized to a master clock.
found in communication gear today. The carrier oscillator
in a transmitter and local oscillator (LO) in a receiver are
where PLL frequency synthesizers are utilized. In some cellular
phones, a synthesizer can also be used to generate 90
MHz for an offset loop. In addition, synthesizers can be used
in computers and other digital systems to create different
clocks which are synchronized to a master clock.
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