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Old 10th June 2012, 07:45 AM   #1321
Salas is offline Salas  Greece
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Quote:
Originally Posted by samoloko View Post
Salas

what type resistors to use at CCS set and zobel - metal film or anything else, what brand
In CCS I had used thick film Caddock as better to MOX and metal film 1% on other positions, no special.
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Old 10th June 2012, 08:35 AM   #1322
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thx

surprised to see that you have so much components In Vref loop
Isn't just leds and resistor better
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Old 10th June 2012, 09:34 AM   #1323
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Again, do a proper test on the mosfet you removed to be sure it was not damaged.
I can't do it, I don't have the mosfets (I threw them at the garbage).
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Old 10th June 2012, 09:35 AM   #1324
Salas is offline Salas  Greece
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Quote:
Originally Posted by samoloko View Post
thx

surprised to see that you have so much components In Vref loop
Isn't just leds and resistor better

That one needed to be Vadj. Its still a resistive and LED Tc thing.
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Old 10th June 2012, 09:36 AM   #1325
Salas is offline Salas  Greece
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Originally Posted by merlin el mago View Post
I can't do it, I don't have the mosfets (I threw them at the garbage).
Destruction of evidence, 1 year in prison.
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Old 10th June 2012, 10:12 AM   #1326
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That one needed to be Vadj. Its still a resistive and LED Tc thing.
for me more resistence mean more Vref variations
for 24 V ref In pre amp regulator I use hypno with only leds
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Old 10th June 2012, 10:49 AM   #1327
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Destruction of evidence, 1 year in prison.
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Old 10th June 2012, 01:07 PM   #1328
Salas is offline Salas  Greece
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Quote:
Originally Posted by samoloko View Post
for me more resistence mean more Vref variations
for 24 V ref In pre amp regulator I use hypno with only leds
Not a great deal, goes steady in a matter of warm up time that Adj one, +0.3V from cold, and then never moves. The dynamic resistance is better with only leds though. If you use it for one certain app and can afford custom board area that is.
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Old 10th June 2012, 06:06 PM   #1329
RCruz is offline RCruz  Switzerland
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How low can the filtering cap (Vref cap) go if using only leds for vref ? Can we use films 10uF ?
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Old 10th June 2012, 06:12 PM   #1330
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Yes as minimum for phono.
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