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SSLV1.1 builds & fairy tales
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Old 19th July 2011, 09:09 AM   #41
acidbrain is offline acidbrain  Netherlands
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SSLV1.1 builds & fairy tales
It seems like there is a minor error in the manual at section 7.
C 203 is listed on the Vref parts and at the Zobel parts.
Am I right about this ? Everthing else looks splendid

Erik.
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Old 19th July 2011, 05:43 PM   #42
Salas is offline Salas  Greece
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Yes, it should read C301.
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Old 21st July 2011, 06:43 AM   #43
samoloko is offline samoloko  Bulgaria
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there Is an error at BIBguide - Appendixes - 6 sinking - 2 sentence Q101 and Q106 are replaced
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Old 21st July 2011, 12:26 PM   #44
Salas is offline Salas  Greece
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That one I spotted & corrected since I put the guide on hotfile.
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Old 25th July 2011, 08:35 PM   #45
barrows is offline barrows
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Default V 1.1 build problem.

Just fired up a mosfet BiB +/- boards, and I am not able to adjust voltage on either board. One is at ~ -13 V, and the other ~ +20 volts. Checked the trim pots (5K) and they are fine. Using 2 red LEDs, and 1K8 R203/103 with the zener position jumpered. Test load is 75R 5W, with sense wires hooked up.
BOM says Q104 is BC550 and Q204 is BC560, but the schematic appears to be confusing me? Clearly I have made the same mistake on both boards. Ideas?
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Old 25th July 2011, 09:11 PM   #46
merlin el mago is offline merlin el mago
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Could you post a pic?
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Old 25th July 2011, 09:19 PM   #47
barrows is offline barrows
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Default Sorry...

Merlin, I am on dial up here, with an iffy connection to boot... No way am I going to try and post any picks from here. Looks cool though!
I ahve double checked thta the trim pots are not backwards, they are definitely correct. Everything seems like it should be fine, just weird that there is no voltage adjust???
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Old 25th July 2011, 09:20 PM   #48
Salas is offline Salas  Greece
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Very small dummy loads. Use in the hundreds of Ohm.
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Old 25th July 2011, 09:31 PM   #49
barrows is offline barrows
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Default So...

Quote:
Originally Posted by Salas View Post
Very small dummy loads. Use in the hundreds of Ohm.
Use R003? Is it OK to run briefly (with good sinking) at no load for voltage adjust, with sense wires hooked up of course?
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Old 25th July 2011, 09:35 PM   #50
Salas is offline Salas  Greece
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What R1 you got there?
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