Date
HP 3586B LSB/USB sideband tone
I have the subject receiver and have noticed lately that the LSB has a higher pitch than the USB. I assume one of the BFO crystals has drifted in frequency. I looked at the manual and don't see an
By Jerry Hancock · #86287 ·
Re: 5342A: blown sampler?
Hi, Your measurements with the diode mode suggest the sampler is OK, digital meters don't use the same amount of current to test resistance as older analogue meters and that's the reason you didn't
By Gerard Brach · #86286 ·
Re: 3585B Spectrum Analyzer
One thing you can try on contact fingers is a white eraser - usually works pretty well at removing oxidation hp_agilent_equipment@...> wrote:
By Andrew Hakman · #86285 ·
Re: 3585B Spectrum Analyzer
Hi Dave, So far I've been using contact cleaner for the contacts and basically just giving them a bit of a rub. To the eye it all looks pretty clean but you never know. Your experience is
By ve3poa@... · #86284 ·
Re: HP 8640B troubleshooting, no AM modulation
If you can control the output level with the Vernier knob, that eliminates many suspects, because it uses the same control paths as modulation. Dave Wise Sent: Tuesday, October 17, 2017 4:24 AM To:
By Dave Wise · #86283 ·
Re: HP 8640B troubleshooting, no AM modulation
Hi Nico there are many ways of producing an external mod source. We all get used to having a standard piece of HP gear for the job. .......but for instance a comms rx with a xtal calibrator will
By Alan Melia · #86282 ·
Re: E4406A Input Attenuator
All the same, let's hope that someone will have the other schemes... Alexander
By Alex · #86281 ·
Request for E4406A CLIPs (was Re: E4406A Input Attenuator)
Just to help clarify on Alexander's request - This is a completely different repair from the one I've been working on (still not complete unfortunately) and he's just asking for the CLIPs if anyone
By Tony Goodhew · #86280 ·
Re: E4406A Input Attenuator
Hi All. In the continuation of the repair of our E4406.... I have a problem with the front panel control and the PS unit. The repairing experience of measurement instruments already exists, but
By Alex · #86279 ·
Re: 8901B Power level zeroisation
Just coming back to the question what does percent mean for FM?�, the manual says: The calibration factor will be displayed as a percentage. This percentage indicates the relationship between the
By Tony Goodhew · #86278 ·
Re: 5342A: blown sampler?
Hi Tobias, Do check out Azure, it’s a good site! I have a couple of 5342A parts units and should have a good sampler and other bits. 73, Steve WB0DBS
By Steve - Home · #86277 ·
Re: 8901B Power level zeroisation
Peter, When FM Measurement is selected, the display will show peak deviation. The steps are outlined in the OP Manual under Section III Operation, Getting
By czelusniakd · #86276 ·
HP 8640B troubleshooting, no AM modulation
Needed my HP 8640B for troubleshooting some radio equipment after 2 years of not using it. Ended up with troubleshooting the HP 8640B first. The RF output is not being modulated in AM (don't know
By nico@... · #86275 ·
Re: Plan to deep cleaning my gear
Long years ago, people at HP France used Cen Mil E dilued in water at 50% to clean the various tube equipmants where heat and consequently dust were very important . They were dried in a climatic
By jfphp · #86274 ·
Re: 5342A: blown sampler?
Hi TobiasCheck outhttp://www.azurelectronics.com/Repair%20HP%205342A%20Microwave%20Frequency.htm as it may help.RegardsSteve
By Steve A · #86273 ·
Re: 8901B Power level zeroisation
Ok, so that worked, but what does percent mean for FM? kHz deviation would be more useful. Peter
By Peter Gottlieb · #86271 ·
Re: Plan to deep cleaning my gear
Be careful of using IPA to clean instruments. I had experienced pretty much no problems using IPA until I accidentally hit the leftmost frequency display wheel on my HP 8601A. The IPA dissolved the
By Dave Daniel · #86272 ·
Re: HP items for sale
Harrison 6367A 0-36vdc, 0-10A, 110 vac input, $50 plus shipping: How much does it weigh? Can you ship USPS? [hp_agilent_equipment] <hp_agilent_equipment@...> wrote:
By Rich De · #86270 ·
Re: How to clean NiCd batt leak residue
Hi Calvin The blueish crud is most likely highly alkali potassium salts, mechanically remove as much as possible then neutralise with white wine vinegar. Wash away any residue with distilled or
By george edmonds · #86269 ·
Re: 3585B Spectrum Analyzer
Hey Peter, just a random data point here, from my own experience. I picked up a 3585A awhile back that seemed to be a basket case. Display problems, sweep control problems, pretty much everything
By Dave McGuire · #86268 ·