Archive for the ‘Heathkit IG-42’ Category

Heathkit IG-42 Checkout – Part 2

I put the IG-42 Signal Generator back on the bench to continue my initial inspection.  Today, I measured the voltages specified in the construction manual and measured the resistors (in circuit) to see if there were any obvious problems to address. Some of the tube pins were very difficult to access from the bottom side, […]

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Heathkit IG-42 Laboratory Generator – Initial Checkout

I hooked up the Heathkit IG-42 Signal Generator to the variac on the bench and brought the voltage up slowly, watching for signs of overheating or failed components.  There was a slight hum coming from the unit for the first couple of minutes, then it got better.  I suspect that the electrolytic capacitors were recovering […]

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Heathkit IG-42 Laboratory Generator – First Look

A friend and colleague of mine asked me to take a look at his Heathkit RF Signal Generator: IG-42.  The only information I got from him about it was that he had inherited it from a good friend, and had not had much luck using it. Here we will make our initial inspection of the […]

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