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I can't help marveling at the workmanship that went into that equipment.

Gentlemen, There is also a 3461A, which is the AC-Ohms converter for the 3460A. It’s the equivalent of the 2410, I believe. I’ve never seen a 3461 outside of a catalog. Jeremy wrote:

I have a 8903 and have used it with home-built audio amps. Many years ago did I build a dual (as in stereo) dummy load. It is just rated at 21W but that is usually sufficient. It has a bunch of

Hi! I've got an 83650 signal generator that's starting to get slightly anemic in power level right below 20GHz (8dBm -- it used to be 12 or 13dBm). I went through the YTM bias/tracking calibration and

Note that the 8350B has a 3- AA cell nicad battery, repurposed from the HP-35 calculators. The pack is on trickle charge whenever the 8350B is turned on, and after a year, or two of that abuse, spews

I would suspect the YTO. I have seen several fail over the years...... The YTO output at the rear side is a good starting point.....Good luck, 73? de Harke

There is no YTF in the A and B models : only in the C On Saturday, December 14, 2019, 3:42:47 PM GMT+1, <pa0jme1952@...> wrote: I took a look at the blockdiagram of my 83592, which differs only

I took a look at the blockdiagram of my 83592, which differs only with an extra low band mixer, The sweeper unit is a cascade of a) YTO o/p 2.4-7.0GHz b) amplifier c) isolator d) YTM (multiplier) e)

Re: [HP-Agilent-Keysight-equipment] HP 16500A Problems Hello All, Anyone know anything about the power supply made by the OECO Corporation 080-20521-01 that is used in the 16500A I seem to have cured

Update: as I'm always suspicous about double faults, I checked the A4U1 mixer as far as I could and also the 300MHz amp. It turned out the 300MHz Filter was misaligned. After realigning, I got about

*Hey Pat,* What good fortune to find you here. On behalf of many, thanks for your photo essay on the https://pmanning.smugmug.com/Electronics/HPDymec-2401C-Integrating (

I have also a set in the repair queue. My 2401C sounds to be a bit older than yours, Terry, as it's the Dymec-labeled version, s/n 622-01154. The 2410B is 644-01052, and despite having a lower serial

I believe they are fairly rare. I have one, as yet untested, along with what I believe is its successor, a 2402A. The 2402A works but is beyond its calibration range, so I need to dig into it. I hope

Dan, Yes, thank you. I was mistaken about the input impedance. The 600 ohms is the output impedance of the internal signal source, can be also set to 50 ohms. The input side on the left is 100K ohms.

Hi Mark So to get you started firstly you say the manual you have is not good most of us use ARTEK manuals as our fist call for a PDF as the owner is one of us and is recognised as doing good scans HP

Hi group. Have this coming and see quite a few references to (at least) the 8350B. Anyone have interest in helping me repair it? Symptom is very low output below 10GHz and next to nothing above that.

Hi, This is probably a common problem... I have a stash of nice HP probes but without grounding clips or grabbers. My challenge is identifying and finding the right corresponding accessories (I'm a

On 12/13/19 7:14 PM, Ovidiu Popa [Business] wrote: > Ok, so if everything fails, I will try building a 54717A calibration plugin. > ? > I found in the 54720A service manual the 54717A schematic. The

Ok, so if everything fails, I will try building a 54717A calibration plugin. I found in the 54720A service manual the 54717A schematic. The signal path... doesn't exist! It's only two coax cables

Who here, runs these find beasts? My HP 2401C Integrating Digital Voltmeter (SN 811-02807 opt 21,31,146) and HP 2410B AC - Ohms Converter Dymec (SN 644-01126) are about to be restored, interconnected