File /13 Transistor 40m FT8 SSB/13TR40m1WFT8SCH.pdf uploaded #file-notice


crkits@groups.io Notification <noreply@...>
 

The following files have been uploaded to the Files area of the crkits@groups.io group.

By: Adam Rong <rongxh@...>

Description:
13 Transistor 40m FT8 SSB Transceiver Schematic, Preliminary Version


Foxy Fox
 

We thank you!

I don't understand the configuration of transistor Q3.
Installation with common emitter ...
Can you explain it?
Thank you!

--
Fox


Adam Rong
 

Hi Fox,

The Q3 is a receiver audio amplifier.

Thanks,
Adam

在 2021年5月30日,上午7:46,Foxy Fox <7878fox@...> 写道:


We thank you!

I don't understand the configuration of transistor Q3.
Installation with common emitter ...
Can you explain it?
Thank you!

--
Fox


Foxy Fox
 

You are right! It's past midnight for me and I wasn't paying attention. I have small eyes ... ;-)
J3 is the microphone connector and J1 is the headphone connector.