Quote:
Originally Posted by PJL
I am no expert on transistor output bias circuitry but using silicon would require significant changes. Even changing the type of germanium transistor may cause problems as the gain and frequency response will be different. I suggest you concentrate on getting the driver stage working first.
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I did have a quick read up on this, something about altering resistor values for the bias.
Quote:
Originally Posted by Tim
Hi Peter. I have an ex equipment ( used good)2N2148 you can have for the price of a pint if it would be any good to you.
I might have some NOS 2N1305/CV7353 as well
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Hi Tim, that sounds very tempting! The 2N2148 and 2N2147 have very slight voltage and frequency differences, will this be a problem?
Thanks