Re: Tektronix SG 503 repair

A 1N4148 will never be able to work at 250MHz.

Rtaher try 1N3595 or equivalent.

substitute and amplitude control was regained and no more flashing > > To fix it right, I am looking at a MMBD452LT1G.
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Look165
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**

** Err - that is a very slow, low leakage diode.

... Phil

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Phil Allison

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