Low Noise Transistors: Comparing the ZTX1053A and ZDT1053 (Dual) vs. the ZTX689B and ZTX851

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Re: Low Noise Transistors: Comparing the ZTX1053A and ZDT1053 (Dual) vs. the ZTX689B and ZTX851

Post by mediatechnology » Fri Apr 10, 2020 7:13 am

terkio wrote:
Tue Apr 07, 2020 8:04 pm
What I have in mind is using a matching gig where I insert a resistor in the transitor base to represent the bias resistor that will be used in the final circuit.
There's a lot to be said for simply using the preamp itself as a test circuit which includes the bias resistors.

I would suggest that approach in the MC preamp instructions but it would require socketing the input transistors.
Since I'm not crazy about leaving the sockets in for the final build I suggested testing Vos out of circuit.
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