On Wed, 29 Oct 1997, Joel Rosenzweig wrote:
> In fact, I just had a speech failure last weekend on my Black Knight
> pinball. It turned out to be a 1458 op-amp. At least there are no
> analog switches to fool with. I haven't figured out how to test those
> things appropriately other than to "swap and see" if it works.
Easiest way is with a scope. Trace the signal path, see where it goes sour.
When I had an analog switch go on me, it showed up as a greatly reduced
frequency response -- theere were multiple concentric signals.
Next question is where to get a cheap scope . . .
-Chris
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Chris Candreva -- -- (914) 967-7816
WestNet Internet Services of Westchester
http://www.westnet.com/
