[AMPS] 3CX3000A7 Filamen Choke

Rich Measures measures@vc.net
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   

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