In pP6Bb.465454$HS4.3620546@attbi_s01, "MasterCBer" wrote:

I have used the BIG caps as used on the audio amps on my RF power amp and
it did help on the current spikes that was needed on SSB peaks. Without the
Cap, the voltage could drop to 10.5 volts on current peaks measured at the
amp, now it might go to 12 - 12.5 volts only rising to the supplied 13.8
volts in the system.
It help to reduce the headlights flicker at night also.
Just type in FARAD in e-bay search under car stereo.
The caps can be dangerous when charged up . They can discharge VERY high
amps if shorted out as their ESR is very low. 1- 30 Farads can be found,
and
they are not cheap either. I have seen a bank of them even crank over a 8
cylinder engine. Try that with 100,00 uF Cap.


There's that "more power" attitude that drives an amp junkie's cravings. You
need to learn what ESR is and how different it is for different types of
capacitors (and batteries, too). For example, I have seen a car battery turn
over an 8 cylinder engine, but that doesn't mean it has a low ESR. It just means
that it can hold a big charge and has almost nothing to do with ESR. When all
you want to do is to keep the peaks up in an SSB linear you don't need a charge
so large that it will turn over an engine. That's called "overkill".






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"...but I admitted I was wrong, Like a man! Something you and QRM
have a problem with. You guys are wrong and you both know it and
are both too small to admit it."
---- Twistedhed ----

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