Correct Sch Bitx3B AGC

Kindly find the correct Bitx3B AGC  complete details of schematic, silkscreen , components layout.

I am extremely sorry that we had earlier uploaded and sent a wrong schematic of the Bitx3B AGC.

Note:R16  Value 10k to 15k.  10k works ok

Uploading Pictures And Posting On CQ Bitx

We are inviting Bitx version 3 builders to contribute with article and pictures of their built Bitx tcvr on Cq Bitx blog .

To seek an invitation to  Upload  pictures  and Post on our blog , kindly send a scanned picture of your license to establish the authenticity of your Ham Radio Profile, with your name, email etc

The invitation to post pictures and write on CqBitx will be sent as soon as we have your profile details.

Kindly email me at vu3sua@gmail.com for your request.

Best of 73s

Sunil  VU3SUA

New Avala PCB

If you are looking to build the Avala 01 sdr tcvr we now have the PCB's for sale.
The present Avala PCB is made with all corrections as per original circuit and with tinning and masking, and a better silk screen  of the pcb.

The PCB will be available from our website http://amateurradiokits.in and also from our ebay shop.

AVALA 01 SDR PCB WITH NEW SILKSCREEN

                                  

AVALA 01 SDR PCB WITH MASKING

LABELS FOR JUMPER CONNECTIONS ON PCB

AGC Pictures

To help in construction the AGC circuit used in Bitx3B or if used in any other receiver , some pictures are being published here. One resistance that was sitting between preset and lm324 is 10K , the value is now shown in the AGC pcb image file