>
> A swinging choke is a cheap form of open loop voltage regulation.
Swinging chokes maintain constant-current, Not constant-volts.
Resonant-chokes maintain constant DC voltage.
>As the current increases the inductance decreases this increases
>the voltage on the following filter capacitor. In essence the filter
>configuration
>swings from inductive input when the current demand is low (large
>inductance) to
>nearly a capacitive input filter when the current demand is high (small
>inductance).
>
cheers, Bill
>
>
>At 04:21 AM 3/28/00 -0700, you wrote:
>
>> > As to whether the best use of your swinging choke is for a book end, I
>> >cannot say. However, it is better than leaving it on the floor where you
>> >walk into it from time to time and regret it, but postpone moving it until
>> >the next time you walk into it.
>> >There is another useful side effect on using a choke input PSU. This in in
>> >the smootinh og the input current to the supply. When operating from the
>> >mains, this is of little consequence to the user. When operating from a
>> >generator on filed day, it does help quite a bit with the regulation.
>> >
>>Swinging chokes seek to maintain constant current come hell or high
>>water. . Is this what you want for SSB?
>>
>>
>>- Rich..., .
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/ampsfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|