[Antennas] WTB: butterfly capacitor
Dave Henderson
[email protected]
2002年3月19日 14:35:37 +0000
At 08:07 AM 3/19/02 -0600, James Duffer wrote:
>Could a length of coaxial cable be used? Like it is rated so many units
>of capacitance per foot.....don't know what the desired capacitance
>is...so don't know if the length of coaxial is practical.
>Someting you might want to look into.
>>73 Jim wd4air
Yes
Coax will work if the power levels involved are not too high.
Also the "coax caps" also have higher loss than the air variables, possibly
a real consideration since in order to work with even some efficiency the Q
of the circuit needs to be as high as possible.
Dave
NR1DX