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Old 12th November 2007, 07:19 AM   #11
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Where is the load for D2/7 LEDs?
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Old 12th November 2007, 07:32 AM   #12
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I'm not sure what you mean, but if I guess correctly your question, the load for those led's is the supply line for reference CCS of input stage.
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Old 12th November 2007, 07:38 AM   #13
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Quote:
Originally posted by roender
Frontend PSU

SHUNTIE !!

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Old 12th November 2007, 07:42 AM   #14
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Ah, I see it now thx, ...where I put my caffe?
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Old 12th November 2007, 07:42 AM   #15
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Quote:
Originally posted by Zen Mod



SHUNTIE !!

It has very good behavior at HF and it is very quiet.
Much much better than a normal series regulator.
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Old 12th November 2007, 07:57 AM   #16
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Why have you use a diode bias instead a more common Vbe multiplier, and could you give as some spec, like OL, CL, DF, etc...
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Old 12th November 2007, 08:03 AM   #17
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Quote:
Originally posted by aparatusonitus
Why have you use a diode bias instead a more common Vbe multiplier, and could you give as some spec, like OL, CL, DF, etc...

those are diodes implemented in output bjts

lookie - 4 legs ....... almost as toob
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Old 12th November 2007, 08:03 AM   #18
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Quote:
Originally posted by aparatusonitus
Why have you use a diode bias instead a more common Vbe multiplier
Did you see what output devices was used?
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Old 12th November 2007, 08:05 AM   #19
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roender
D1 is there because of tempco?

also 2SC3423 .......... there are here because of noise and temp. behavior ?

tnx.
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Old 12th November 2007, 08:07 AM   #20
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Why do you call this a single stage amplifier?
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