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I was surprised at how many WR64's there were on Ebay and how much they're asking for them. I counted 11.
They're almost useless as a test instrument these days and they're only worth maybe $10-$15 as a collectors' item.
I bought a Tektronix TSG170 off there for $20 non-working. The AC voltage select jumper had fallen off the pins on the PS board. An easy fix but a much better buy.
Its a digital generator. Rather than the patterns being generated by discrete circuitry (like in the Philips generators), they are read out of PROMs.
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