EI0CF 472 / 501 QTX for portable [25W] & fixed [100W] use
The built-in 5V regulator enables 4W RF output for antenna tuning & QRP operation



Dual-band 472 / 501 kHz operation with slug-tuned VFO coil L1


QTX PA section showing 4W QRP switch & 7805 regulator mods


8/3/12
gw3uep
***