Author Topic: Trouble with FET setup

September 18, 2023, 10:43:01 AM
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MarinElec

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Hello,
I have some trouble to set up the FET transistor (BF245). I cannot hear or notice anything different when I turn the P6 trimpot. The  DC value I get when testing TP6 is around -5V, which seems too high. Everything else seems to work perfectly but the device is not compressing... 
Can the transistor be broken? (or not suited I try to put a BF245b that I had instead and there is no difference).
Should the transistor be connected to R3 ? 
Thank you for your answer !!


September 19, 2023, 04:19:32 PM
Reply #1

JPK

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Can you go through the "Check the side chain" tests here?
JPK