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Old 30th Jul 2019, 4:39 pm   #11
dave cox
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Join Date: Jan 2009
Location: Bristol, UK.
Posts: 2,059
Default Re: Tektronix 7A26 problems

My analysis is the OC outputs (9,6,8,5) are either :-
(1) delivering too much current, pulling the voltage low. Controlled by R1320 & R1323 (681), R1339 & R1338 (36)
(2) their load is too high a resistance, R1347 (280R), R1343 & R1341 (56), R1403 & R1401 (60R4)

Gilbert cell 155-0078-00

dc

Last edited by dave cox; 30th Jul 2019 at 5:02 pm.
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