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Re: 3585B Spectrum Analyzer
Thanks Dennis. I started the troubleshooting as you suggested but ran out of time tonight.
I'll be sure to report on what I find, hopefully something simple, but who knows. :)
Peter
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ve3poa@...
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#86202
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Re: Fake fire New
?Whats with the "Fake News" rhetoric. Using the term "Fake News" infers purposeful?deception which I highly doubt is the case. Reporters are humans and they do make mistakes. Also, not everyone?is
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Dan Nelson
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#86201
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Re: 3585B Spectrum Analyzer
Peter,
The calibration error codes are listed in service manual volume 3, page 11-15. May be ROM Checksum Error but follow recommended procedure in manual for your particular
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czelusniakd
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#86200
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3585B Spectrum Analyzer
I was fortunate enough to receive the 3585b SA recently. When I first picked it up it powered up fine and display appeared to be normal. Getting it home and after setting it up, it again worked fine.
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ve3poa@...
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#86199
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Re: RF Voltmeter?
All,
I have a probe for the Boonton 91 just about free for the asking. It is a
model 91-3C (electrical condition unknown - if you know how to test, tell
me and I'll do it) with no screw-on tips and
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n4ua
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#86198
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Re: help hp5300a / 5303a manual service
thank
Roberto
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iw5bsf83@...
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#86197
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Re: Just purchased HP 3586B--EBAY
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By
george edmonds
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#86196
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Re: RF Voltmeter?
And there the Millivac MV828-A which goes to just over 1GHz with 1mV FSD
(-50dBm with the 50 Ohm head)
Chopper amp and very stable...if you see one for sale make sure it comes with
the cable (Mil
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hpxref
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#86195
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Re: Just purchased HP 3586B--EBAY
I suspect that the WECO 372A is made up of two WECO 358A plugs along-side each other ‘cos we always used a pair of WECO 477B sockets for 124 Ohm on the front panel. In fact the ones we used were
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bill.lauchlan171@...
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#86193
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Re: Just purchased HP 3586B--EBAY
I saw that 3586 on ebay. the connectors on the back labeled Oven output and external reference need to be connected to each other. There are articles on the internet on how to convert the inputs from
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PAUL KOBY
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#86192
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Re: Just purchased HP 3586B--EBAY
The RCA 50 ohm WECO type connector for broadcast patch panels has a .050" pin diameter. The standard WECO 358A 75 ohm connector has a .090" diameter pin. Both possess a .375" diameter barrel. The
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Greg Muir
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#86191
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Re: Just purchased HP 3586B--EBAY
The correct matching parts are a WECO 358A Plug to a WECO 477B Socket. The comment(s) about Trompeter Plugs is absolutely correct. I’m not sure if there is different part which is a direct
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bill.lauchlan171@...
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#86194
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Re: Just purchased HP 3586B--EBAY
HP specifically states on their spec sheet for the 3586 that the 75 ohm port mates with the WECO 358A plug.
Greg
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Greg Muir
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#86190
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Re: Some HP 8341A questions
In a typical HP YTO loop config, one end of the main coil is connected to -40V, the other is connected to the emitter of the main coil driver. The current through the main coil is controlled by the
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Calvin Guan
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#86189
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Re: Just purchased HP 3586B--EBAY
Almost all of the connectors that you will find that are
made by Trompeter are not compatible with the WECO 358.
Be careful, the shield fits, but the center pin won't engage.
They were made for 75
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Chuck Harris
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#86188
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Re: Just purchased HP 3586B--EBAY
You might also consider picking up one or two WECO to BNC adapters for the unit. It would save the effort of having to disassemble it and change over to BNC connectors.
If you use the search terms
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Greg Muir
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#86187
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Re: RF Voltmeter?
I have a Ballantine 323 AC voltmeter and a Boonton 91H RF "millivoltmeter". The Ballantine is solid-state and has a usable range to 20 MHz, the Boonton is vacuum-tube and has a usable range to 1200
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mharmon@...
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#86185
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436A power meter front panel inquiry
Before I resort to that famous auction site I wanted to inquire on this list to see if anyone might have parted out a 436A power meter and have a spare front panel in good condition available. I
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Greg Muir
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#86186
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Re: Just purchased HP 3586B--EBAY
Hi Lamont
According to the HP 3586 user manual the B variant already has a BNC input that is switchable between 50 and 75 Ohms.
The A and B variants were teleco "specials" the C variant was the
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george edmonds
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#86184
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Re: Just purchased HP 3586B--EBAY
Lamont,
Download the manual, look at the matching network. You will see how easily you can make it selectable for 50 or 75 or whatever tweaks your tuner. There may be several illustrations for
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czelusniakd
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#86183
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