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Categories | Ham Work Bench Tools & Test Equipment | HP-8640B Help

Show all reviews of the HP-8640B

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WA5NNV  Rating: 5/5 Nov 17, 2013 04:41  Send this review to a friend!
Great Generator  Time owned: more than 12 months
I purchased an HP-8640B from an auction site some ten years ago and it has performed reliably, until recently, when the frequency display became erratic. Two known problems with this instrument is the little contacts on the Frequency/FM Selector Switch or cracked or broken gears in the assembly. After some research on the internet, I found Electronic Revisited. Bill the owner is an absolute encyclopedia of knowledge about the 8640. He was most helpful via email and offers an 8640B repair service. In the end he rebuilt my Switch Selector Assembly and my trusty 8640B is back to working great ! There is a gentlemen in Italy who is manufacturing new gears for the 8640B, I purchased a set just for future insurance and found them to appear to be very good quality. 
Product is in production.
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