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## [AMPS] Re: Input Impedance.

 To: [AMPS] Re: Input Impedance. ggeurts@amp.com (Geurts, Gerard) Tue, 24 Mar 1998 13:29:19 -0000
 ```Snip ..... >Since input impedance equals drive power divided by peak >cathode current squared, you can see how the input impedance >stays fairly close throughout the operating range. Snip ..... >The input impedance is the ratio of input drive power to peak >cathode current. So which one is it? Snip ..... >When you come up with a value from the above formula, you >can then substitute a non-inductive resistor of the calculated >value for the tube and use your noise bridge or MFJ analyser >to park your tuned input in the middle of the band. I wouldn't substitute, but put in parallel. Snip ..... >Shakespere Shakespeare Gerard, AA3ES -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm ```
 Current Thread [AMPS] Re: Input Impedance., Phil Clements [AMPS] Re: Input Impedance., Geurts, Gerard <= [AMPS] Re: Input Impedance... units??, George T. Daughters [AMPS] Re: Input Impedance., Phil Clements [AMPS] Re: Input Impedance., Geurts, Gerard [AMPS] Re: Input Impedance., Rich Measures [AMPS] Re: Input Impedance., Pete Smith [AMPS] Re: Input Impedance., Geurts, Gerard