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Heathkit TO-1 Test oscillator




 
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Author Topic: Heathkit TO-1 Test oscillator  (Read 615 times)
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kc2we
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« on: September 08, 2021, 10:47:05 PM »

Looking for the schematic of the Heathkit TO-1 Test oscillator. Anything out there? Tnx in advance.
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Seth Taylor
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Patrick J. / KD5OEI
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« Reply #1 on: September 09, 2021, 01:34:04 AM »

https://www.radiomuseum.org/r/heath_test_oscillator_hf_to_1.html

but you have to join to download it.

Amplitude modulated, HF test oscillator. Five fixed frequencies selected by switch: 262, 455, 465, 600, 1400 KHz. Two crystal sockets on the front panel for optional frequencies. Accuracy: + -0.5%. LF modulation: 400Hz at 30%. Available outputs: continuous HF, modulated HF and LF (by switching). Continuously adjustable output level. LF output level: 10V. HF output level: 0.1V.
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Chuck SWL
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« Reply #2 on: September 18, 2021, 03:20:53 PM »

Try this:

https://www.mods.dk/manual.php?brand=heathkit
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Pete, WA2CWA
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« Reply #3 on: September 18, 2021, 04:22:37 PM »

And I have it tooooooo  Grin
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Pete, WA2CWA - "A Cluttered Desk is a Sign of Genius"
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« Reply #4 on: September 20, 2021, 11:00:20 AM »

That would be the best option. A proper manual repro. I vouch for his product quality!
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Jim/WA2MER
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« Reply #5 on: September 20, 2021, 12:05:56 PM »

That would be the best option. A proper manual repro. I vouch for his product quality!
So do I.
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