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Bitx (40) agc and muting

Elmar Völler <dl2qa@...>
 

Hello,
this famous trx produce annoying chrash during rx/tx switching.
I combined a simple agc curcuit together with muting system to get
rid of any cracks.
Is anyone interested ?

 

Please share your mods with us!

At 01-07-18, you wrote:
Hello,
this famous trx produce annoying chrash during rx/tx switching.
I combined a simple agc curcuit together with muting system to get
rid of any cracks.
Is anyone interested ?

Derrick Young <deyoung10@...>
 

Yes, more info please.

Elmar Völler <dl2qa@...>
 

Hello Derrick,
here is more info.
please look at the picture .
hope it is visible.
if you have any question --give me a  shout.
 
 
Gesendet: Sonntag, 01. Juli 2018 um 13:52 Uhr
Von: "Derrick Young" <deyoung10@...>
An: BITX20@groups.io
Betreff: Re: [BITX20] Bitx (40) agc and muting
Yes, more info please.

4Z1NT
 

When you say solder 1n4148 t0 +12v not RX, which one are we talking about?

Elmar Völler <dl2qa@...>
 

from junction r111/r113 solder a 1n4148 diode direct to the 12volt rail
(LM368 is now alltime connected with 12volt)
73 elmar-dl2qa
 
Gesendet: Sonntag, 01. Juli 2018 um 14:15 Uhr
Von: 4Z1NT <menashedovid@...>
An: BITX20@groups.io
Betreff: Re: [BITX20] Bitx (40) agc and muting
When you say solder 1n4148 t0 +12v not RX, which one are we talking about?