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Tube DIY Asylum: Re: Input/driver for 2A3 parafeed by Joelt

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Re: Input/driver for 2A3 parafeed

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Try this one.
The 31 is a DHT. At points "1" and "2" you connect your filament supply - either a battery + dropping resistor combination, or a regulated SS 2V supply.

Joel


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Topic - Input/driver for 2A3 parafeed - Tubefever 09:05:39 11/17/03 ( 57)