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Main Fuse blown. Fuse replaced >> ON >> generator shows frequency and level correct. After 10 seconds smells very strange. It smells that C6 22nf (parallel main filter output) became faulty. All

hello Stu if you look on A2 on the side you see the LEDs for the PSU. All should be LIT. I am sure this is not a PSU issue. If you work through the 300/600Mhz chain with an osilloscope you can check

Peter, Ok from schematic I can see the 600MHz Oscillator --> Buffer --> /2 = 300Mhz --> Offset Loop Buffer. Is that correct? Is it the /2 device your talking about? The whole board seems to be a

Joking apart, there seems to have been a minor dump of similar Plessey Semi' parts on a certain web auction site recently.?? I was looking at a similar part number, but a divide by 10/11 chip last

Hello all, BTW: I am healthy. Well as healthy as a 65 year old senior citizen with Fibromyalgia can be. I do not have the Seasonal Flu, the Kung Flu, Measles, Smallpox, Rabies, or anything else that

Hey Richard, Just sent you an email to see which Plessey chip you need. Please verify! 73Jeff KruthWA3ZKR

I think I know too!? Daun ;-) ?Get BlueMail for Android ?

Morehead, KY? Bet I know who that is. He will pipe up soon I think.. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

Kuba, I was thinking about that type of a solution. That would be a complete new learning experience for me. I am expecting to soon need that solution in the future. Richard WB4RSO

George, Thank you for your reply. After a total of 6 hours searching I just found a seller on the auction site listing Plessey Prescaler/Frequency divider IC's. In the description he listed

Go get one. They are fantastic instruments, if little understood. Drink the modulation domain kool-aid. B-) Mark Kahrs, are you listening?? -Dave

Hi George, I am looking for the front panel input connectors for the HP 3456A. One of mine is broken off. Thanks Gary K4FMX _____ From: [email protected]

Yeah, cool! Except now I want one! Jim Ford

On Fri, Apr 17, 2020 at 02:58:01AM +0000, Jim Ford wrote: Are you guys familiar with the existance of [email protected] ? There is a community of folks there who might help... > Hi, Jesse.

Hi, Jesse. A friend has a similar VNA, and for some reason I have the manual. I didn't see anything in the index about setting the time and date, but I could have missed it. Here's a .pdf if you don't

Hi John, Not familiar with the internal software in the 53310 but wanted to ask if you were aware of a user's guide specifically for option 031.? If not, it is downloadable at:

And modern ECL divider is probably a good substitute, except it will need an adapter of some sort for the pin out. At those frequencies, the 100K and higher families will be fine. DigiKey sells a

I just checked my banana box of appnotes* and found AN122. Weirdly, the spine just says "EMI Measurement Procedure" and the big "AN 122" on the front cover is an afterthought, put on there with a

Hi Again There is a seller in Switzerland with three available, but sit down first, they will cost about $60 each plus shipping. George G6HIG On Friday, 17 April 2020, 00:14:31 BST, Richard Hall

Hi Richard HP part number 1820-2933 is a Plessey Semiconductors SP8606B. This is a 1.3GHz divide by two ECL Logic device. Plessey Semiconductors were manufactured in Swindon UK. Looks like your A6