CHECK OUT THE WIKI The purpose of the wiki is mainly to allow you to find information on instruments, either from either
- The model number
- The function(s) listed below. Some instruments have multiple functions - for example, the 4195A is a VNA, spectrum analyzer and an impedance analyzer. Therefore the 4195A is listed in multiple categories
Please also check out HPWiki available here:
- Accessory kits - various types
- AC power analyzers - PA2201A and PA2203A
- AC power supplies 6811C, 6812C, 6813C
- Airlines
- Arbitrary waveform generators M8194A
- Amplifiers?493A, 495A?
- Attenuators (optical) 8156A, 8157A, 8158B, 81566A, 81576A,?
- Attenuators (RF) 8494A
- Attenuator set (500 ¦¸) 350C
- Attenuator set (600 ¦¸) 350D
- Attenuator switch driver
- Audio analyzers? 8903A, 8903B, 8903E,? ?
- Base station test sets
- Bit error rate testers (BERTs)
- Cables
- Capacitance meters U1701A, U1701B, 4272A, 4278A, 4279A
- Capacitor Bridge 4270A,
- Capacitor standards 16380A, 16380C,?
- Carrier noise test setsi
- Cesium frequency standards
- Clamp ammeters
- Close field probes
- Crystal Impedance E4915A, E4916A
- Data Acquisition Systems (DAQs)
- DC power analyzers
- DC power supplies 6030A , 6031A , 6032A, 6033A, 6035A, 6131C, 6621A, 6622A, 6623A, 6624A, 6627A, 6255A, 6645A, 6671A, 6672A, 6673A, 6674A, 6675A, 62003A, 62003C, 62003E, 62004A, 62004B, 62004E, 62005A, 62005B, 62005E, 62006A, 62006B, 62006E, 62010A, 62010C, 62010E, 62012A, 62012C, 62012E, 62015A, 62015C, 62015E, 62018A, 62018C, 62018E, 62024A, 62024C, 62024E, 62028A, 62028C, 62028E, 62048A, 62048C, 62048E
- Delay lines
- Detectors
- Device current waveform analyzers
- Digital communications analyzers
- Directional couplers
- Distortion analyzers 330B, 330C, 330D, 331A, 332A, 333A, 334A, 339A, 8903A, 8903B, 8903E,???
- Dynamic measurement DC source
- Electrometers
- Fading simulators
- Femto ammeters
- Filters
- Frequency counters 522B, 5342A 5343A 5352B
- Frequency standards?
- Function Generators ? 3310A,? 8165A,
- GPIB controllers, extenders, cables etc.
- GPS frequency standards
- Harmonic mixers
- High resistance meters 4339B
- High resistance meter fixtures 16008B
- HEV EV Grid Emulators and Test Systems
- In-circuit test systems
- Impedance analyzers 4195A, 4291A, 4291B, 4395A, 4396A, 4396B, 4294A, E4990A, E4991A
- Impedance Analyzer Accessories
- Impedance / Gain Phase analyzer 4194A
- Impedance Meter 4193A,
- Isolators
- LCR meters? U1701A, U1701B, U1731A,? U1731B, U1731C, U1732A, U1732B, U1732C, U1733C, 4191A , 4192A, 4194A, 4195A, E4196A,? 4216A, 4260A, 4261A, 4262A? 4263A, 4263B, 4271B, 4274A, 4275A, 4276A , 4277A, 4284A, 4285A, 4286A, 4287A, 4291A, 4291B, 4294A, 4332A, 4342A, 4395A, 4396A, 4396B, E4980A and E4980AL
- LCR meter calibration devices? 16380A 42030A? 42090A, 42091A and 42100A
- LCR meter accessories
- 2-Terminal BNCs.
- 4-Terminal Pair (BNC connectors)
- Cable extension 16048A, 16048D, 16048E, 16048G, 16048H
- DC current bias accessories 42841A, 42842A, 42842B, 42842C, 42843A
- DC voltage bias accessories 16065A, 16065C,
- Kelvin clips 16089A, 16089B, 16089C,16089E
- Lead Components 16047A,16047B, 16047D, 16047E
- Material 16451B, 16452A
- Probes 42941A
- SMD 16034E, 16034G, 16034H
- 2-port 16096A
- 7 mm (APC7)
- 2-Terminal BNCs.
- LCZ meters? 4276A, 4277A,
- Lightwave clock / data receivers
- Lightwave converter
- Lightwave component analyzer
- Lightwave measurement system mainframes
- Lightwave polarization analyzers 8509B
- Logic analyzers
- Nemo wireless network solutions.
- Noise and interference test set
- Noise figure analyzers
- Noise sources 346A, 346B. 346C ,
- Matching pads (50 ohm to 75 ohm or similar)
- Materials test equipment
- Microwave repeaters
- Microwave downconverters 70427A
- Microwave / THz sources
- Milliammeter 428B
- Milliohm meter
- Mobile communications DC source
- Modular instruments
- AXIe
- Data acquisition (DAQ)
- USB
- PXIe
- Modulation analyzers
- Multimeters 427A, 970A
- Optical attenuators
- Optical heads
- Optical sources
- Optical spectrum analyzers
- Oscilloscopes 120A, 120AR, 120B, 122A, 130A, 130B, 130BR, 130C, 140A, 140B, 141A, 150A, 150AR, 160B, 180A, 180AR, 180CD, 181A, 181AR, 181T, 181TR, 182C, 182T, 183A, 183B, 184A, 184B, 185A, 185B, 1200A, 1200B, 1220A, 1221A, 1703A, 1707A, 1707B, 1710A, 1710B, 1715A, 1722A, 1725A, 1726A, 1740A, 1741A, 1742A, 1743A, 1744A, 1746A, 1980A, 1980B, 5403A, 6000A, 6000L, 16533A, 16534A, 54100A, 5410B, 54100C, 5100D, 54111D, 54120A, 54120B, 54200A, 54501A, 54502A, 54503A, 54504A, 54520A, 54520C, 54540A, 54540C, 54542A, 54542C, 54600B, 54601A, 54601B, 54602B, 54603B,? 54645A, 54654N, 54710A, 54720A, 54750A, 54825N, E1428,?
- Oven controlled crystal oscillators (OCXOs)
- Pattern generators
- PCM terminal test set
- Phase noise measurement
- Pico ammeters
- Printers 2225
- Plotters 7470A, 7475A?
- Probes
- Protocol analyzers and exercisers.
- Power booster test sets
- Power meters 431A, 431B, 431C, 432A, 435A, 435B, 437B, 438A
- Power splitters
- Power supplies
- Pulse generators
- Q-meters 4342A?
- Q-meter calibration inductors 16470A
- Reflection transmission test set
- Return loss module (optical)
- Relays / switches / switch matrices (optical)
- Relays / switches / switch matrices (RF)
- Resistor standards 42030A?and 42100A
- S-parameter test sets
- Scalar network analyzers
- SCSI bus preprocessor interface E2324A
- Selective level meters 3746A
- Semiconductors
- Semiconductor parameter analyzers 4145A, 4155B, 4156B,
- Signal analyzers
- Signal generators / sweep generators / signal sources / oscillators 200CD, 201B, 209A, 204D,? 608A,? 8165A
- Software
- Source measure units
- Spectrum analyzers 4195A,???
- Switch control units
- SWR meter 415E?
- Time interval? counters
- Time mark generator 226A
- Timing and data state modules
- Torque wrenches
- Transmitter testers
- Trigger modules
- Ultrasound transducers
- Universal bridge? 4260A, 4265A, 4265B?
- Vacuum tube voltmeter 410C
- Vector Impedance Meter 4193A, 4800A, 4815A
- Vector Network Analyzers (VNAs) 4195A,? 8510A, 8510B, 8510C, 8753A, 8753B, 8753C, 8753D, 8753E, 8753ES, 8752ET, 8719A, 8719B, 8719C, 8719D, 8720A, 8720B, 8720C, 8720D, 8720ES, 8722A, 8722B, 8722C, 8722D, 8722ES,
- Vector Network Analyzers (VNA) calibration kits 85032B, 85032E, 85033C, 85033D, 85033E, 85050B, 85050C, 85050D, 85052B, 85052C, 85052D, 85054A, 85054B, 85054D, 85056A
- Vector Network Analyzer (VNA) verification kits
- Vector Signal Analyzer 89650S, 89600S
- Vector voltmeters 8405A, 8508A,
- VXI mainframes 70000B, 70000C
- Waveform and function generators
- Waveguide to waveguide and waveguide to coaxial transitions.
- Wireless 58 OTA chambers
- Wireless channel emulators
- Wireless network emulators
- Wireless communication test sets
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Re: Unleveled E4436B
Hi Tim, Nice. Interesting that it is that accurate at 4GHz after the conversion. I have more than several of these generators and I think they are great. I noticed on mine that if you do a hard reset
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Tom B
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#94330
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Re: HP34702A Ohms converter issues
That's weird - I thought I saw another response to this thread but when I refreshed the page, it disappeared!? :-(
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gregdunn@...
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#94328
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Re: HP34702A Ohms converter issues
I put a pair of 2N3904 in for Q13-14 - no change unfortunately.? :-( Yes, it's hard to figure out what Q11 needs to be - HP lists 'FN2960' as an equivalent but that doesn't come back with a match for
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gregdunn@...
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#94327
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Re: HP34702A Ohms converter issues
I was just looking back at the schematic and OP - I see that you reported Q11 was bad and replaced, but not with the same type. This could be the problem, since JFETs all work more or less the same,
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Ed Breya
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#94325
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Re: HP34702A Ohms converter issues
If U2 is railed negative, then Q11 should cut off. Are the parts in sockets? If so, try pulling Q13, which should drop the gain and the current to a very low value. If there's no effect, then try Q14.
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Ed Breya
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#94324
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Prologix has updated the EZGPIB file and is working on the C++ example.
The title says it all. You will find many examples in the folder when you download it. Just click on EZGPIB.exe to run. Investigate the?DF6JB Plotter as well. No affiliation, I just like this
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peter bunge
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#94323
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Re: HP34702A Ohms converter issues
I hope so.? ;-) In this setup (Q12 / CR13 out of circuit), the gates of Q15 are offset just a bit - A: -5.0V B: -5.8V? The drains are of course then far apart - A: 2.8V B: 8.46V? and the sources
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gregdunn@...
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#94322
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Re: HP34702A Ohms converter issues
The problem is obviously revolving around the op-amp which is made up of Q15 and U2. The two gates of Q15 should be balanced at all times, otherwise the output of U2 would be stuck at the +12 or the
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Joel Setton
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#94321
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Re: VNA advice wanted
Pat, Thanks. I was pretty sure David had the A/B designations swapped, but confirmation greatly appreciated. And it would be very easy for someone reading the thread later to get things backwards with
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Reginald Beardsley
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#94320
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Re: Interested in helping start/run a Wiltron/Anritsu group on groups.io?
Might take a few hours to be approved and propagate. [email protected]> wrote:
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bownes
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#94319
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Re: Interested in helping start/run a Wiltron/Anritsu group on groups.io?
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bownes
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#94318
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Re: HP34702A Ohms converter issues
With the protection circuitry disabled, the 1K resistor reads 1.87K. U3's inputs are both at -6.4V.? Its output is at -7.4V. Q15 seems to depend on what I'm measuring; for this test, its inputs are
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gregdunn@...
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#94317
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Interested in helping start/run a Wiltron/Anritsu group on groups.io?
Looking for person (one or more) interested in starting and running a Wiltron/Anritsu equipment group (possibly modeled after this HP-Agilent-Keysight-equipment group) on groups.io. If you are
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David Feldman
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#94316
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Re: VNA advice wanted
I bought mine from Globaltest a few years ago, I think I paid about $40 for it. -Dave -- Dave McGuire, AK4HZ New Kensington, PA
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Dave McGuire
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#94315
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Re: VNA advice wanted
Dave, In regard to the collet extractor for APC-7, where did you find one cheap? I've been looking high and low for an inexpensive collet extractor without success. -Eric
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Eric Garner
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#94314
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Re: Test fixture for dielectric measurements
Hmmm... If solid, you could hold the material in air away from the electrodes Chris Trask N7ZWY / WDX3HLB Senior Member IEEE http://www.home.earthlink.net/~christrask/
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Chris Trask - N7ZWY/WDX3HLB <christrask@...>
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#94313
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Re: HP8714ET Impedance
Just going through my old emails. You may find the attached useful. Don't even think about getting into the bridge to change the impedance. HP uses stripline on a saphire substrate (on the 85046A
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peter bunge
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#94312
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Re: VNA advice wanted
With all this great talk about VNA's it reminds me¡ I have an extra 8753ES, 50ohm, internal s-para, working and looking beautiful¡ 3ghz unit. $3k and also an n8357a 6ghz pna for sale¡ same
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Pete Manfre <pmanfre@...>
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#94311
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Re: HP34702A Ohms converter issues
Hello Greg, I think we're getting close to the root cause... but I thhink I need some more data. First, temporarily unsolder the collector lead of Q12 and one lead of CR13, which will disable the
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Joel Setton
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#94310
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Re: VNA advice wanted
Yes, my error. I got the 85046A and 85046B transposed! The A is the 50 ohm version with APC7 connectors. I doubt the RF source, A, B or R receiver N connectors would get damaged as they are rarely
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Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...>
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#94309
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