I remember listening to a soundclip of a really flexible tremolo. One could turn up it's speed to the point it sounded like a ring modulator.
So, I need a schem of a tremolo that goes to few hundred herz. It would be fun to reach kHz too. :D Perhaps mod the EA?
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Jimbo
Pulsar?
Any tremolo would do it. Reduce the value of the timing capacitors in the LFO until it reaches the range you want.
Quote from: Ge_Whiz on April 16, 2006, 06:26:30 PM
Any tremolo would do it. Reduce the value of the timing capacitors in the LFO until it reaches the range you want.
Thanks. Well, Lazy as I am, I'm going for the lowest part count. Is there a simpler tremolo than the EA?
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Jimbo
Quote from: Ge_Whiz on April 16, 2006, 06:26:30 PM
Any tremolo would do it. Reduce the value of the timing capacitors in the LFO until it reaches the range you want.
any
non-LDR - tremolo...
Maybe the EA, but ditch the LFO section, with its limited range. You could easily graft the 555 LFO that the Tremulous lune uses on there, before the depth pot. A reverse log pot or a faked one with tapering resistors would be neccessary for the rate control, otherwise the LFO would be super speed for 3/4 of the pots rotation.
if you just wanted super speed, though, and wanted to keep it simple, you could just make an EA trem with the 3 caps in the LFO section much smaller. The LFO section is so small and simple, its easy to make a couple of them on the same board (say regular speed, and ring mod speed), with a speed pot for each, and switch between the them. Easy.
Transmogrifox just posted this clever mod for getting better depth from EA too:
http://www.diystompboxes.com/smfforum/index.php?topic=43902.0 (http://www.diystompboxes.com/smfforum/index.php?topic=43902.0)
JEN Modulator. CJlectronics.