[AMPS] 3CX3000A7 Filamen Choke
Tue, 5 May 98 05:59:03 -0800
>>Also, one needs to bypass the primary and secondary windings to the core
>>so that there is no RF potential between the windings. The transforner
>>can be mounted on a piece of 0.125" thick epoxy-glass [G10] board. The
>>core to gnd capacitance figures in the C2 tuned input values on the
>>higher bands. 20uH of L is plenty for 160m-10m coverage. More L is not
>Thanks Rich! I forgot that part!
ur welcome. And Rich forgot to mention that one needs a 25 to 50 uH 3a
(#22ga.) choke to connect the CT of the filament winding to the negative
circuit of the HV supply.
R. L. Measures, 805-386-3734, AG6K
FAQ on WWW: http://www.contesting.com/ampfaq.html
Administrative requests: amps-REQUEST@contesting.com