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Not sure if the 8590 has , but the early HP SAs had a fuse in the input N connector, you maybe lucky Check between the center pin of the N connector and the end of the cable attached measure the

Hi I do not have a chart of correct signal levels handy. Based on experience though, the vast majority of the time the symptoms you mention point to a blown first mixer. The sttenuator also is a

Hi Toby, The repair was done more than 30 years ago, and I don't think I remember all details ! While the epoxy was curing, I think I created pressure on the flat cable by sticking it tightly between

Hi I don't see any one replying to you on this. i did some more research and maybe the bottom TG is the?5087-7705 BITG with Option HSB which is a 3Ghz BITG Like you there is concern both show signs

That first one appears to be a good candidate for one of the HP-410C's filter caps. Thanks, Barry - N4BUQ

Just take the SKU off that site and search for it. There are many vendors. The first one, C-EC20X4-475 (4x20uF, 475V) goes for about $40. Not that I need any, but useful information to know that they

And after posting that link I found out that you have to have a business to buy from them. They apparently won't sell to individuals. Shame.

For sale Maury Nfm cal kit, 18GHz, model 8850Q01 Location… Ft. Mill, SC USA Payment… check on US bank, PO. MO, western union, bank wire transfer. $385 shipped CONUS outside US additional Pete

For sale Maury model 80500 - 03, 3.5mm m and fm, with 3.5mm thru. $895 Shipped CONUS Pete wa2odo

For sale is a partial Wiltron (Anritsu) SMA/3.5mm cal kit. Has… box (worth $75), M sliding load (worth $75+), fm sliding load (worth $75+), 3 apc7 to sma adapt( worth $110) spare tips for sliding

For sale is my service support kit for the 867x series signal generators. Has all adapters, board extenders, adapters, manual, and service board. A must for easy diagnosis and repair. Foam has

Mallory Capacitor Company had a manufacturing facility here in Huntsville, Alabama. I don't know the exact dates of operation, but it was an active facility through the 1960s and probably well into or

... and enter the spammers, right on cue.

I have purchased and used these capacitors; they are excellent. In many cases, however, I find it is easier and less expensive to abandon the old capacitors in place and install new ones below the

Will all due respect to the OP... if you go to the link, and view the marketing videos, it's all a lot dumber than it looks... in my opinion.

I've seen that George, But using the MC100 will not replicate the same function as in the HP8640 as the device in question has a 2 input AND gate at the input and that was use to gate the counter. If

Hi Richard HP did not originally use standard ECL they used there own version. Look at some of the information on the 8640, there are details as to how to use standard ECL instead. George G6HIG Dover

Hi all My HP5342A counter 0-500MHz input has died. I've used the manual downloaded from the Keysite, but not the best scan , but useable. I have plenty of input at the input to U4, both the Gate and

Ordinary PVC is very, very low loss through low microwave frequencies, as is easily demonstrated by putting a piece in your microwave oven. Do you have a reference I can look at that shows your

Here's their sales website: https://www.cedist.com/products/capacitors?viewmode=grid