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Hi Steve, Thanks for that advice. Why are 145 eyepieces better please? It seems 147 are very common. Best regards, Renaud The 145 eyepiece is 10x. The 147 is 15x. The AO570 body has magnifications

Do you have a manual attenuator or the electronically switched one? There are 4 screws on each end of the attenuator, if you have SMA/3.5mm connectors, then remove the nuts on those connectors, the

Forgot to attach, sorry, Gary WA2OMY From: Gary Hitchner <talgarth@...> Sent: Monday, March 24, 2025 3:43 PM To:

Hey All, I asked over on VinHPcom but apart for a pointer to the 17090B Software up on HPMuseum I didn't hear much back, so I thought I'd ask here as well. The C version of the software apparently

Do you have pictures? Glenn -- ----------------------------------------------------------------------- Glenn Little ARRL Technical Specialist QCWA LM 28417 Amateur Callsign:

List, FS - Three plug in's used in 8660's. 2)- 86603A one has phase modulation capability. These are the high frequency units that go to 2600 MHz. 1)- 86633B, Modulation plug in. These

The other area of the PSU to look at is standby power and startup circuit. In the older 859x series there is a Schottky diode HSMS-2800 that goes leaky. It's function is to rectify the output from a

That's good news. Robert.

Well, well, well!? I put 12V on the DC connector and removed the mains and the SA fired up.? about 12V at the plug at 7A when running, from a commercial switchmode 13.8V psu. And it stayed fired up

Hi Ed, Here are 3 text files from separate serial number 89605A/B units.? I don't think I have any 606 cal files.? Would be happy to collaborate to set up a test procedure to build cal files for

I have just bought an 8591A that has an intermittent REF UNLOCK error message when I use the internal 10 MHz reference. The error comes every 0,5 to 10 second. The internal reference is 10,000 MHz and

Thanks Robert.? That ties up with about 16.5V to chassis measured on that top pin.? The bottom pin seems to float. I'll try it on DC and see if that makes any difference.? I think that there's some

Hello, I need to disassemble ?the HP/Agilent 8495B ?attenuator, there are no visible screws, how can I do it if I need to service the attenuator ? Thanks in advance!

Hi Steve, Thanks for that advice. Why are 145 eyepieces better please? It seems 147 are very common. Best regards, Renaud

Inasmuch as this is a vintage equipment group you might consider an American Optical AO570 with the model 145 eyepieces for about $100 on eBay. I can attest to the superb optics, with magnification

I recently purchased this rare HP item off of eBay. It appears to be a trade show demonstration unit for selling HP's alphanumeric LED display modules. It is from 1970 (based on the date codes of the

Hi Alex, I used a demo version of Benchlink 33503A Pro to create triangle wave files in *.wvf, *.arb, and *.barb formats. For the 33522A, the waveform will appear on both channels

Does anyone have handy the HP part number on the interface IC used in the 10248 series of logic analyzer data probes? The manual on the probe has all part numbers listed except for the IC that is part

I'm glad you solved the problem and that I was at least a little bit helpful! Milan [email protected]> wrote:

HP list, the extension cables have been sold, Thanks for the responses, Gary WA2OMY