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Good work! You can “store” the removed trim wrapped in wax paper to reduce the chances of it sticking to anything and everything. Some day you or someone else may want one of those. Jeremy

Hi James, You have the first LO output on the back panel of your 8569B, but you need the 059 option for the 8444A which is a 500 MHz internal source to the 8444A. The first IF of the 8569B is 2050MHz,

Thank You, amazing. Fra: [email protected] <[email protected]> P? vegne af Wolfgang Schraml via groups.io Sendt: 11. november 2024 13:06 Til:

Vielen Dank, Wolfgang! Wow! --MfG Tom -- Prof. Thomas H. Lee Allen Ctr., Rm. 205 420 Via Palou Mall Stanford University Stanford, CA 94305-4070 http://www-smirc.stanford.edu

The sticky stuff is likely plasticizer that has separated from the vinyl coating on the panels. I have had good success using denatured alcohol and a rag to scrub? off the residue. ?? Bruce Gentry,

Amazing wor

Hi, I have a HP8515a that developed sticky surfaces on the top and bottom panels. It feels like leftover glue. I try to clean it with light soap water or gluegone but it doesn't seem to work at all.

Thanks all for the advice which gave me the encouragement to persist. In the end a combination of heat and a very thin bladed screwdriver did the trick. My next step was to use acetone but I didn't

Marcus- Fascinating and wonderful solution.? I still have a few questions for you or anyone else who cares to answer.? Please forgive my ignorance: 1)? The YIG listed on your original link is an

Hello everyone. I have an 8569B and was wondering if the HP 8444A tracking gen can be used with it? Only asking as have found no info online. Thanks in advance James

Hi Burt, It has the 004 time base however I have all of the gear synced to gps.?? Using the 3586 as a sig gen - tuned frequency on front display matches the output sig on the back panel. When

There are two crystals that provide the injection, or carrier, for the upper and lower sideband product detectors, and as I recall, the 1800 Hz tone is a function of the product detector/s, . They are

Thanks for that, Paul! I may just do some retro-fitting.

Quite sometime ago maybe 10 years a Ham in Canada did indeed make a BFO replacement that was synthesized. I built up a unit and it worked very well. I suspect I might have the details around still.

Oh, and a sad tear for the damaged Watkins Johnson Receiver. Very good equipment. I used a few WJ-8999s and worked on one to repair it, too. Now, that is a very packed receiver. Both boxes are really

That happened in my McIntosh MAC4200 Stereo Receiver I purchased off of ebay. When I checked it out, the 3 AA size NiCd Battery Pack had failed. It ate the paint under the Battery Holder plus the

Found in the pile: a balanced test connector type 98629A. I have no use for it, so for P&P only it can come your way.

Worst case, acetone will soften/loosen the adhesive, but be careful not to spill it on sensitive areas of the instrument and don’t drink it! A little acetone will return stickiness to old trim

I've always used an old hairdryer to soften the adhesive, an old flat blade dining knife of the type that was commonly made in Sheffield or Manchester can be used to pry, these days they sell the

Ya... I've seen that leakage... and destruction... when people have balked at replacing the battery with the speced battery. The speced battery is usually expensive... often seemingly unreasonably