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: Schottky Diode degradation / Replacement in instrument Sram Battery backup circuits ?
yes... agreed... it's 'hard to see' ... it's an obvious typo... and obviously wrong. since... reverse leakage current (as it is well known... and shown... in data sheets) increases exponentially with
By
Roy Thistle
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#146649
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Re: Keysight customer support policy
Back when they were still Agilent, I bought a loaded E4404b Spectrum analyzer Around $50 US. No problem. A few years later I needed to replace the Dallas battery/memory chip. I ordered one from their
By
Russ Whale WA7MLW
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#146648
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Re: Keysight customer support policy
If you are *not* a large corporate client you can pretty much give up on it.? A fairly long discussion was here:
By
Harold Foster
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#146647
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Re: Keysight customer support policy
Thanks! No, I don't have a web page yet, only an empty domain. I'm afraid I may get work if I set it up ;-) The sensor: Yes, that was my first thought. DIY. Try to find a donor or see if it can be
By
Bo in Finland
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#146646
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Re: 8497K attenuator overhaul
yes .. my bad - I looked at the wrong picture!
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vk2bea
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#146645
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Re: 8497K attenuator overhaul
No o-rings in the manual attenuator. Vladan
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pianovt
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#146644
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Re: 8497K attenuator overhaul
That looks a little odd .. with the 'SMA' male threads on the outside. I figured there must be thread locker if it is an adapter.
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vk2bea
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#146643
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Re: 8497K attenuator overhaul
I was right about the camshaft on the manual attenuator (and it does have o-rings) ... http://www.ve2azx.net/technical/HP_StepAttenuatorRepair.pdf BTW I should have said SMA male to N female adapter.
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vk2bea
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#146642
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Re: 8497K attenuator overhaul
The attached picture is not of a 8497K, but I think you can see what the connector looks like on the inside end. You will have to remove the N-connector in order to get to the socket head screws under
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pianovt
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#146641
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Re: 8497K attenuator overhaul
I am assuming that the design is the same as the SMA type that I overhauled from the spectrum analyzer. (I think reasonable). I'm not sure the same would apply with the mechanical version but they may
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vk2bea
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#146640
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Re: Schottky Diode degradation / Replacement in instrument Sram Battery backup circuits ?
Hi Tom ¨C I admire your restraint and diplomatic prowess. I do not think I would be able to come close to your exemplar demeanor. Knowing not only this group, but many others, there are always
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Mike Feher
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#146639
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Re: 8497K attenuator overhaul
These things have o-rings to replace? I didn't know! I just ordered a fistful of silicone o-rings from 'The O-Ring Store' for the attenuators in my 8648C sig gens, plus a bunch extras for future use.
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Jared Cabot
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#146638
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Re: Keysight customer support policy
Hello Bo, I think you are confronting two non-technical problems, in addition to the technical one regarding the connector. My guess is that Keysight is trying to deal with regulations regarding EU
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pianovt
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#146637
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Re: Schottky Diode degradation / Replacement in instrument Sram Battery backup circuits ?
I suppose almost anything is possible, but it's hard to see how a few microamps of forward current could cause an increase in reverse leakage current. Knowing this group, however, someone will chime
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Tom Lee
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#146636
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Re: Schottky Diode degradation / Replacement in instrument Sram Battery backup circuits ?
I agree. I'm not an 'expert' but 'experts' maybe don't know what really goes on at a fab (or what prayers the engineers say, during the fabrication process.) Maybe materials are 'better' and 'clean
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Roy Thistle
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#146635
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Re: HP 141T Power Supply Help Needed
Hi guys, Good points here. What happens when you place a cap with zero ESR at the output of a linear power supply is that you intrude on the phase margin and the loop becomes unstable. This can easily
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G?ran Krusell
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#146634
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Re: Keysight customer support policy
[email protected]> wrote: You work a
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Dr. David Kirkby, Kirkby Microwave Ltd
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#146633
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Keysight customer support policy
Hi group, I tried asking Keysight support for possibility to repair or buy spare parts for a HP E4413A 26.5 GHz power sensor and giving the serial number and my full name. The sensor works fine, but
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Bo in Finland
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#146632
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Re: Crystal detector with 10dB attenuator in series - is it for matching purposes?
Excellent answers, thanks all.
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saevar
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#146631
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Re: HP 141T Power Supply Help Needed
To amplify your comment, many times older linear supplies, when they are brute force recapped, with the best, long life, low esr caps you can find, will become beacons of chaotic oscillation. I put a
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Chuck Harris
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#146630
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