|[AMRadio] Roller vs Variable|
rickbras at airmail.net
Fri Jun 2 17:23:06 EDT 2006
Okay.. I'm just thinking out loud again... what do you guys think about
these three options for the 1R2 output network:
Standard Pi network using two vacuum variables and a fixed inductor,
most likely 1L304 or 1L305. ....or
Pi configuration with using a roller inductor and two fixed capacitors.
Pi configuration using a fixed capacitor for the input, roller inductor
and vac variable for the output or visa versa...
Remember, I am only interested in tuning a maximum of 3870 - 3890 kc.
Thanks for any advice..
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