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BITX - An EASY TO BUILD QRP TCVR
By Ashar Farhan
Picture of Bitx Version 3 build by Ron Nesler W4DNQ
The Original Bitx article can be found on the website of Ashar Farhan and Bitx Forum on Yahoo Bitx Groups.
We have mentioned some change that Om Rahul VU3WJM has made to the original Bitx.
MODIFICATIONS : BITX VER 3 BY VU3WJM
1. Better IF Gain.
2. Doubly Balanced Mixer.
3. RFAmp using 2sc2570 ultra low noise.
4. New Improved PCB for Main Board Bitx Version 3 and Linear Cum Power Supply with TX and Rx switching resulting in a
improved ground plane on pcb.
5. Provision in vfo for Multi-Turn Tunning and Fine Tunning
6. Low cost cube Relay foot print on pcb.
7. Replacement of Band Pass Filter With 10 mhz IF Metal Can Coils.
MODIFIED SCHEMATIC : BITX VERSION 3 BY VU3WJM
Kindly note some changes
1 Band Pass Coils Use 39 PF For Tunning Coils L1 L2 L3
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About Bitx 
