Electronics


Colpitts oscillator

Topside Underside
Output
Schematic

BF256B JFET, ~250kHz, ~±2V.


Resonant filter

Topside Underside
Output
Schematic
Plugged in

Buffer/inverter

Topside Underside
Output
Schematic
Plugged in

BF256B JFET, ~±2V→~±1V