Hi Everybody,
I am doing some experiments with tuned input circuits and was wondering =
if anyone might be able to help me. I am looking for some reference or =
resource to help with this.
I have Excel spreadsheets from other folks in the reflector for =
designing tank circuits and am sure these can be adapted for tuned =
inputs.
If I am incorrect, please let me know. I guess these formulas could be =
used, but kind of in reverse - match a 50 ohm input load to keep the =
radio happy, to the input impedance of what ever tube(s) may be used. =
My questions:
1. Is this a correcct assumption?
2. Where/how can I calculate the input impedance of the tube(s) used, =
say 4x572-B, 3x8874, or 3x8875?
Regards and thanks in advance,
Jeff Weinberg W8CQ
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