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Locked Re: Half LZ1AQ Transistor Noise Output at LF and Norton 10 MHz gain and NF comments


 

There are two different manufacturers of the PZT2222A (SOT223), and . I guess there are different dies in it and there noise behavoiur may differ.

Nexperia offers its 2222A also in a SOT89 case as

Fred, DL4ZAO

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