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Old 12th Jan 2018, 2:47 pm   #9
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: 'ESTON' 236 Signal Injector

It's not correct....Polarity.....Bias needs to be the same polarity as Vcc.....Load needs to be in the collector circuit.

Here's a schematic for a PNP one, Vcc is -ve:

www.tpub.com/neets/book9/36a.htm

Lawrence.

Last edited by ms660; 12th Jan 2018 at 3:05 pm. Reason: Changed link to make things clearer
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