Old
Projects
(
Arv - K7HKL )
CAPACITANCE
METER ( Measures 3 pf to 1 mf ) 555 oscillator with
integrator

DIP
METER ( MPF-102 with 2N2222 Meter Amplifier ) 400 KHz to
170 MHz

Audio Oscillator ( Wein Bridge with
Op-Amps) 30 Hz to 30 KHz

QRP Watt Meter ( from 7.2 MW FS to 5 W FS
) 5 Watt Dummy Load

Signal Tracer ( Two
op-amps followed by LM-380 ) Lots of gain!

Transistor Tester (
Measures DC gain and leakage )

Calibrated Capacitor ( 3 X 500 pf )
