Jerry,
Sorry can't follow you. What are you aiming at with a VFO of 19Mhz.
The Bitx had a 4.8-5.0 vco in the beginning.
An IF of 12Mhz
And receiving intention between 7.0-7.2 (with DDS not that limited)
The only thing you need to inject in the BITX40 is thus a 4.8-5.0 signal. L4 removed and nothing more has to change to rx/tx.
