Part 4 of the #soldersmoke #directconversion #receiver #challenge
: "only the band shall pass"

Looks good but could be better. Going to replace the caps with silver mica once to see if it improves.

#hamradio

Part 3 of the #soldersmoke #directconversion #receiver #challenge
: "mix it all up"

Looking at the output of the mixer. With my #rigol signal generator and with the PTO signal.

#hamradio

Part 2 of the #soldersmoke #directconversion #receiver #challenge
: "The joy of oscillation."

Looking at the output of the PTO.

#hamradio

Part 1 of the #soldersmoke #directconversion #receiver #challenge
: "The joy of oscillation."

The PTO is build, working and has a nice tuning range.

#hamradio