modified 10 years ago

PLH class A Amplifier

01:41:31

Please someone tell me why there is such low gain on this Nelson Pass circuit - I believe I entered the correct spice parameters into the MOSFET fields. Also the pots dont seem to do much - Is this a defect with the EC simulator or am I missing something? Put another FET in parallel but made little difference.

published 10 years ago

hurz

10 years ago

You made a little misinterpretation of values given by your original schematic. E.g. 392Ohm is not 392 its 39*10^2 which is 3900Ohm. One more example 41k is 40k or 40000Ohm. Hope this helps.

Phildela

10 years ago

Thank you Hurz, cant find the 40k but things are looking better all be it with very low gain still. Have you got any tips for finding PSpice figures..?

hurz

10 years ago

Pspice is not needed for the beginning. Start with the basics. I see 221

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