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Hello
I have one question about VGLNA with AGC in FM receiver front-end design. I made one VGLNA with analog AGC for the PhD research work, if possible, could you please let me know what's the gain settling requirement for the FM system and how fast should this AGC loop achieved?
Thank you...
Hello. I would like to ask one question about AGC (automatic gain control).
I need to design the LNA with AGC for the FM receiver.
As I know, digital AGC require many control bits and switches which complicate the design, analog AGC has higher resolution than digital ways. Except this point...
Generally, the IIP3 is about 10dB higher than P1dB value.
However, for the high power input, if the system has loss, (e.g., attenuator) can IIP3 is smaller than P1dB?
Could you provide the material which can explain it?
Thank you very much.
The following figure shows the Huijsing rail-to-rail input and output opamp.
The simulation shows 3mA current consumption, but when measurement, it has two problems: (1) it shows 7mA current consumption, much higher than simulation result. (2) it shows oscillation behavior at no load condition...
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