Author Topic: FM front end with varicap tuning (Read 3261 times)

aurelZ · « **on:** September 24, 2019, 10:06:41 am »

Hi
Anyone know where i can found schematic - design for two bipolar transistors
FM frontend with varicap diode tuning.
thnx

CJay · « **Reply #1 on:** September 24, 2019, 10:12:20 am »

little bit more info?

Frequencies of interest and application for a start but there are numerous PMR radios which use varicap tuned front ends

aurelZ · « **Reply #2 on:** September 26, 2019, 07:07:34 am »

more info..ok

schematic for FM front end for 88-108 Mhz superhet receiver
with bipolar transistors

ogden · « **Reply #3 on:** September 26, 2019, 07:15:13 am »

aurelZ · « **Reply #4 on:** September 26, 2019, 06:09:44 pm »

Thanks
But on well known given link there is no any FM front end for superhet radio receiver.
is there somehing concrete,,,?

PA0PBZ · « **Reply #5 on:** September 26, 2019, 06:20:11 pm »

aurelZ · « **Reply #6 on:** September 27, 2019, 06:47:58 am »

WOW
thank you PAOPBZ this one looking very hi-fi
ok i will try
thnx..

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