DIY signal generator probe

A signal generator is a handy bit of kit and with the right components, it’s pretty easy to build one. Fabricating a proper signal generator probe is another matter entirely. [Frank]‘s DIY signal generator probe does exactly what it claims to, and is very cheap to boot.

After [Frank] made a simple signal generator with a few parts he had lying around, he needed a probe. Not wanting to deal with poking loose wires around his circuits, he decided to modify a scope probe. Six dollars and two weeks later, [Frank] had a suitable scope probe on his doorstop shipped from halfway around the world.

The strain relief on the probe was removed, and the resistors and trim cap on the PCB was desoldered. All that was left to do was solder a piece of wire from the BNC jack to the probe lead. The strain relief was put back on and clearly labeled for use as a signal generator probe. Not bad for 10 minutes of work.

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