two simple software-defined radios

Hello,
You can download here two small amateur radio projects:

TRIPPI15, a 15m-band receiver
http://ea3ghs.googlepages.com/TRIPPI...ctorForSDR.doc

Very simple 40m-band radio with one transistor and a diode
http://ea3ghs.googlepages.com/VERY-S...ED-DSB-RAD.doc

good reading!
eduardo