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Old 31st May 2002, 05:06 PM   #11
Freddie is offline Freddie  Sweden
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acliao,

Use the "Search Engine", all these questions have allready been covered in other threads.

/Freddie
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Old 31st May 2002, 05:59 PM   #12
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Default Aleph 60

1. R19 56.2K ohms R21 1.5K ohms

2. Yes C19 220uF

3. Skip R1 & R8 unless you know how to measure PSRR. Offset can be tweaked by adjusting value of R11 if needed. Good matching of Q1 and Q2 should help on offset without changing resistor values. I think under 50mV of DC offset at the output after warmup is fine.
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Old 1st June 2002, 06:52 AM   #13
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thanks for all of your help.
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