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How To Make Electronics

How to Make an IR Laser

How to Make an IR Laser

What is a Diode Clamping Circuit?

What is a Diode Clamping Circuit?

How to Build an Acoustic Amplifier

How to Build an Acoustic Amplifier

How to Make a Speed Control for a Wood Lathe

How to Make a Speed Control for a Wood Lathe

How to Load & Tune a Heathkit SB-220

How to Load & Tune a Heathkit SB-220

by: Steven J. Wamback

How to Load & Tune a Heathkit SB-220. The Heath Company made and sold electronic testing and communications kits between 1947 and 1992. Their amateur radio Heathkit SB-220 linear power amplifier is still a favorite of ham radio operators worldwide. ...
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