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Messages 2950 - 2979 of 24758   Oldest  |  < Older  |  Newer >  |  Newest
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2950
Hello HP guru's. I bought a HP 8620A sweep generator with the plugin 86222B and the 86250D The 86222B goes from 0.01 to 2.4 GHz and the 86250D from 8 - 12.4 ...
Jos
pa0amx
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Feb 2, 2006
7:22 pm
2951
Hi, my 6032 System Power Supply is down (no output) and urgently needs to get it up for testing. Can someone help where can I get a free copy of the 6032 ...
desmondong13
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Feb 5, 2006
3:48 am
2952
does anyone have the specs for the 1n21 or 1n21a diodes. David...
davidbr549a1
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Feb 5, 2006
4:22 pm
2953
... Hi David: 1N21 is a silicon point contact diode. VRRM: peak rev. voltage: 2.5V VR: reversed bias voltage :2v S band receiver mixer. NR: output noise ratio:...
tan
analoghead7
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Feb 5, 2006
4:56 pm
2954
Hi Group, I have recently aquired the above analyser. I practically rescued this from the skip -the previous owner having no more use for it. No manuals were...
Steve G4ZDU
stephen190660
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Feb 5, 2006
6:51 pm
2955
... OK, a standard CRT fault - low emmission write gun. Unfortunately, the CRT is not available from Agilent(HP) although the company in Canada who do HP ...
Geoff Blake
melecerties
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Feb 5, 2006
7:16 pm
2956
The display problem looking like a crt problem, to be shure about the other problem try to test the analyzer with much higher frequency (in band 0) i.e 1.5 ...
elie shvarzman
elie_shvarzman
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Feb 5, 2006
7:22 pm
2957
Hi Geoff & Elie, Many thanks for your replies. I had a thought that the crt might be u/s and you have both confirmed it. Thanks Elie for your info re low gain,...
s.l.kirkwood
stephen190660
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Feb 5, 2006
9:03 pm
2958
... 2-01C , ... military VTVM, that ... know if the ... tube in a ... accessories for ... the 410 ( ) ... up to 700 MHz ... high with ... me, or even ... or...
davidbr549a1
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Feb 5, 2006
10:36 pm
2959
Hi: I'm looking for either a manual and/or change sheets that cover the HP 415E with serial prefix 2709A. The change sheets in my manual 00415-90009 are dated...
Brooke Clarke
brookeclarke...
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Feb 6, 2006
2:01 am
2960
Steve, others, I also have an HP8565A. I'm in search of a service manual. The usual places have all come up empty for this model. The display in mine is...
Charles S Osborne
pisgahastro
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Feb 7, 2006
4:22 am
2961
... It's on the Agilent web site: http://cpliterature.product.agilent.com/litweb/pdf/08565-90014.pdf (Op/service manual starts on page 13.) Note to Dave...
daviddigiacomo@...
david_digiacomo
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Feb 7, 2006
5:03 am
2962
Thanks, David! I've made the change. Someone goofed and put the installation note at the front of this PDF -that must have confused the web entry team. I...
dcunningham@...
davemktg1
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Feb 7, 2006
1:55 pm
2963
Hello Daniel, I am experiencing a blooming problem with a HP 182C scope. Did you have any success fixing yours? Mitch ... go ... binding ... such...
aquaman8_2001
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Feb 7, 2006
5:04 pm
2964
... Hi Jos, This might help you, if you haven't already seen it: http://www.qsl.net/ke5fx/tg8566.html Here, KE5FX is using an HP 8566B Spectrum Analyzer and an...
rmc321
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Feb 7, 2006
5:11 pm
2965
does anyone know how to measure the impedance of long wire antennas using an HP-608A oscillator and a HP410C voltmeter or some other simple methode. David...
davidbr549a1
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Feb 7, 2006
5:35 pm
2966
Hello Mitch, Sorry, I but I havn't fixed it yet. I've got the manual and schematic, and as I'm not familiar with elaborate scopes ( even those built 30 years...
on5py
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Feb 7, 2006
5:54 pm
2967
... The problem is that antenna impedance (indeed impedance in general) is a complex quantity R + jX (or G + jB), so it is very difficult to measure using a...
Craig Sawyers
craig_sawyers
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Feb 7, 2006
6:10 pm
2968
it is being used for transmitting and receiving on lots of different frequincies, i had found a simple way on this site http://noding.com/la8ak/m1.htm but...
DAVID MCKINNEY
davidbr549a1
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Feb 7, 2006
6:28 pm
2969
Dave, That's helpful. But it doesn't contain any schematics, just the calibration and alignment sections. Is there another number I should be using to get the...
Charles S. Osborne
pisgahastro
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Feb 7, 2006
6:30 pm
2970
Were you remembering the "Simple Impedance Measuring Bridge" that is about 1/3 of the way down on this page: http://noding.com/la8ak/a1.htm ... different...
rmc321
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Feb 7, 2006
7:45 pm
2971
no it was different and was made to measure long wires without a receiver, had a built in oscillator and used a seperate analog vom that would dip, sort of a...
DAVID
davidbr549a1
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Feb 7, 2006
9:00 pm
2972
Craig: I have a similar question and I'd love to have a real answer to it. I have an HP 8754A network analyzer that is both scalar and vector, and I have both...
Gary Peterson
gs79602
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Feb 8, 2006
2:10 am
2973
... Well, you could do a calibration using shorts, opens, etc out at the end of the coax (by the antenna), and then read the impedance of the antenna directly....
Chuck Harris
chuck_585a
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Feb 8, 2006
2:35 am
2974
Chuck: Ok, I have the 8754A books, but I don't have a calibration kit or the manual for it. Let's suppose I do have a calibration kit with std. open and short ...
Gary Peterson
gs79602
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Feb 8, 2006
2:48 am
2975
I have also pondered the feasibily of making antenna measurements with a network analyzer. In fact I know it is done quite often although I don't have a lot of...
Donald Williams
donwilliams47
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Feb 8, 2006
3:01 am
2976
... Well, in that case, you can't measure the exact impedance at the antenna. In the ideal case, the coax is going to introduce two things: the first is ...
Chuck Harris
chuck_585a
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Feb 8, 2006
4:39 am
2977
... Well, measuring diverse impedances *is* what a network analyzer is all about. Calibration is a method of measuring the imperfections in the various parts...
Chuck Harris
chuck_585a
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Feb 8, 2006
4:54 am
2978
Chuck: The application of measuring an antenna at the end of a 500' feed line is to avoid climbing the tower if the antenna is good. And sometimes, we don't...
Gary Peterson
gs79602
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Feb 8, 2006
5:23 am
2979
Gary, ... The vector measurement is not a good choice for this. Even if you climb up and calibrate at the antenna end of the cable, you would need a similarly...
pianovt
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Feb 8, 2006
6:36 am
Messages 2950 - 2979 of 24758   Oldest  |  < Older  |  Newer >  |  Newest
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