Canadian General Electric H-53 Restoration
Inductance/Capacitance Meter Saga
7805 generates any voltage by choosing two resistors
A DIY Frequency-Stable Programmable Signal Generator
Dim Bulb Tester for restoring old radios, etc.
6809 design using the 6845 CRTC
Triplett 1200-F V-O-M Meter Rebuild
CRTC register values for 64 x 27 Characters
My DIY KT88 Stereo Amplifier
The Toronto Star front page May 25, 2022. More things you cannot unsee.
Get a calico cat they said. They are fun they said.
Power energy corruption and notch filter build.
This is my tube-based power supply. A bench power supply for tube circuits on the bench.
Original Hammond AO-43 amplifier
DIY Ovenized 10 MHz Oscillator
Scan with Home-made Tube Curve Tracer
Just giving some small tools a more convenient place to live.
Affect on HP3580A spect. an of power line leakage, with and without input transformer or isolation transformer.
Rug and Mat Co. AM radio
"Crunch" control for guitar amp idea.
Voltage across current sense resistor.
x2.5/8dB gain stage
Some shots of my "work room".
Rogers #833 Radio sold by Robertson, Pingle & Tilley of Ottawa, Ont.
DIY L/C meter
Low Distortion Audio Oscillator Build
Low Distortion Audio oscillator
Pride Flag at Ontario's Schools is OK
Restoration of DeForest Crosley 8D822 radio manufactured by Rogers Majestic of Toronto, Ont, Canada
Cryostat temp measurement ckt
DC Filament supply
Here's some measured characteristics of the Hammond NSQ4008 audio transformer.
This radio in my sister-in-laws family for 60+ years. Westinghouse 684-X Restoration