10M-1200MHZ and μPC1651G broadband amplifier circuit diagram

Published:2011/9/14 21:41:00 Author:Rebekka | Keyword: broadband amplifier circuit | From:SeekIC

μPC1651G(Japanese electrical apparatus) series use high-frequency broadband amplifier. Micro-disc shape(Micro Disk Type). Frequency coverage is 10M～1200MHz(@－3dB), and the gain is 19dB(@f＝500MHz). NF is about 5dB, so it's not good to use receiver preamplifier. But there is not much effect on using receiver preamplifier and IF amplifying circuit. Figure 1 is broadband preamplifier composed of μPC1651G. Although it has a simple structure, you should pay attention to the effect of lead inductance when youwant to get1200MHz, so it is better to use short wiring. The circuit cases use broadband amplifier composed of glass epoxy double-sided substrate. The bypass capasitor of power terminal should be connected between IC power supply and ground. It should be near to IC.



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