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Old 15th October 2012, 02:59 PM   #1831
janos_904 is offline janos_904  Hungary
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Ok, Thanks! I found the same question and Salas's answer at #1123.
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Old 15th October 2012, 03:16 PM   #1832
merlin el mago is offline merlin el mago
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Tea-Bag can supply you mini-kits.
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Old 16th October 2012, 09:02 AM   #1833
janos_904 is offline janos_904  Hungary
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Thanks, but I have all the stuff in my drawer. In the evening I did find 3 pieces of 2SK117GR too . I built a BIB with IRF9610 and IRF9530, DC=17 V, R101= 9 ohm/5W, 4 blue LEDs. D 101= 1 red LED, R105 trimmer=5Kohm. Output is 12,6 V, and the dummy load= 94 ohm. Unfortunately I can't adjust the output, red led is off :-(. I measured 2,6 V at R101, 4blue=7,9V. Any thoughts? Thanks.

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Tea-Bag can supply you mini-kits.

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Old 16th October 2012, 10:00 AM   #1834
Salas is offline Salas  Greece
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SSLV1.1 builds & fairy tales
No or too weak current in the ref from its associated K117 or the red is put in the wrong way blocking? Blue leds can be noisy VS green, then again only 2V per blue, maybe those GRs are too weak? Did you get their idss before installing?
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Old 16th October 2012, 10:10 AM   #1835
janos_904 is offline janos_904  Hungary
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Sorry, I misstyped, 4 Green LEDs =7.9. I did not measure, going to... Is Q103 the Vref associated K117?

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Old 16th October 2012, 10:34 AM   #1836
Salas is offline Salas  Greece
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Yes.
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Old 16th October 2012, 10:37 AM   #1837
janos_904 is offline janos_904  Hungary
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Thanks! Will try today.
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Yes.
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Old 16th October 2012, 10:41 AM   #1838
Salas is offline Salas  Greece
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You use a board or is it point to point?
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Old 16th October 2012, 01:52 PM   #1839
janos_904 is offline janos_904  Hungary
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Point to point wired.
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Old 16th October 2012, 05:56 PM   #1840
janos_904 is offline janos_904  Hungary
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I do have strong GR-s, all of them has more than 5 mA. Ok, the red led was in the wrong way. Is the BIB guide schematic ok, or the red led anode is on the opposite side than the green one? Thank you very much! Is OsCon SEPC a good Vref?

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No or too weak current in the ref from its associated K117 or the red is put in the wrong way blocking? Blue leds can be noisy VS green, then again only 2V per blue, maybe those GRs are too weak? Did you get their idss before installing?
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