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: Quoting Prior Messages (Re: [HP-Agilent-Keysight-equipment] Transistors for the A17 voltage regulator 8642B)
That should have said : I for one just delete threads that DO NOT include prior continuity...more is the loss
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Dave / NR1DX
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#92273
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Quoting Prior Messages (Re: [HP-Agilent-Keysight-equipment] Transistors for the A17 voltage regulator 8642B)
_*AMEN ! *_ David K , Mr List Owner: One of things that changed from Yahoo to groups .IO. IN yahoo when using the website interface? it automatically included the prior message(s) when replying, with
By
Dave / NR1DX
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#92272
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Re: HP 8341B Band 3 Un Levelled
Look at the YTO alignment - put a detector on it and look at slope of RG output (unleveled). If line is relatively smooth, alignment may work, if you see "squiggles" possible YTO problem (still try
By
Bruce
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#92271
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Re: HP 8341B Band 3 Un Levelled
Check for AC ripple on the power supply rails.
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PAUL KOBY
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#92270
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Re: Transistors for the A17 voltage regulator 8642B
This is the problem when people insist on not quoting the original message and appropriate replies. A little net etiquette goes a long way and reduces questions and confusion. Glenn
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Glenn Little
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#92269
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Re: HP 8341B Band 3 Un Levelled
I didn't have this specific one but I did have a similar issue with 8340B going unleveled in Band 2 - The solution to stop the unleveling (but not to get the output back into spec) was to reload the
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Tony Goodhew
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#92268
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Re: Transistors for the A17 voltage regulator 8642B
I think 4401 is a typo -- it is a TO-92 transistor and original post was about 2N4101 in TO-66 package: pdf.datasheetcatalog.com/datasheets/newjerseysemiconductor/2N4101-2N4102.pdf There is no 2N4401
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Sergey Kubushyn
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#92267
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Re: Transistors for the A17 voltage regulator 8642B
Note that the 1884-0065 is not shown as identical to the 2N3670 in the HP transistor cross references, so it may be a selected 2N3670. Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA
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Dale H. Cook <bridgewaterma@...>
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#92266
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Re: HP 8341B Band 3 Un Levelled
Afternoon HP Group Trying to sort our HP8341B 20GHz Sweeper but Problem with Band 3 13.5 GHz ¨C 20 GHz Un-Levelled Light is ON . Setting 0.0dBm Level on Lower Bands is OK (CW Mode) but Band 3 Levels
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MARC CHRISTIAN
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#92265
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Re: Transistors for the A17 voltage regulator 8642B
I had several fuses on A18 blown as a result of the misaligned connector to A17, I replaced them all. One of them was hard to get which was a 1/4 ampere fuse. I am currently reassembling A17 as the
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DW
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#92264
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Re: HP8663A Power supply, was: Firmware difference
Hi Scott Thanks for your input, But the 8663A originally has a SMPS, same PSU thats in the 8662A. Three of the voltages, -40V, -10V and +20V go trough a linear regulator board, that I do have, and
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Askild
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#92263
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Re: Transistors for the A17 voltage regulator 8642B
I assume you have checked all the 5 fuses on the A18 board? If the fan works it means one of the negative supplies is ok (pre-regulator at least) but there are 4 other fuses measuring on the large
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amirb
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#92262
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Re: Transistors for the A17 voltage regulator 8642B
I will have to get back on what voltages I measured, however at the time of the incident which was some time ago, I recall from memory the fan came on when I pushed the power button but all the LED's
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DW
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#92261
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Re: Transistors for the A17 voltage regulator 8642B
what voltages are you measuring on the 5 supply rails on the edge of A17? remember if you decide to take the power supply out and disconnect it from the instrument (ribbon cable that goes to A5)? you
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amirb
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#92260
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Re: Transistors for the A17 voltage regulator 8642B
I performed a different test to check the 3 2N4101 SCR's, thanks for the correction. I powered them up with a DC supply and the load was a small bulb at 9V, when I touch the gate the SCR latches and
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DW
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#92259
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Re: HP8663A Power supply, was: Firmware difference
I think you are going to want better supplies than the inexpensive mean-wells SMPS, HP used linear power supplies for a reason and that was there are no HF components on the DC supply rails to cause
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Scott McGrath
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#92258
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Re: Transistor Devices Dynaload DLF50-85-500
For anyone interested in the other DLF 50-85-500 (
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DW
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#92257
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Re: Transistors for the A17 voltage regulator 8642B
He was referring to Q4,Q7,Q10,Q13 on the A17 board and I clearly remember them being thyristors I dont remember their part numbers but 2N4101 rings a bell one of them is different than the other 3 but
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amirb
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#92256
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Re: Transistors for the A17 voltage regulator 8642B
2N4101 is an SCR and subject of OP. (2N4401 is transistor and typo by Sergey) Robert G8RPI.
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Robert G8RPI
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#92255
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Re: Transistors for the A17 voltage regulator 8642B
There seems to be some confusion here on just what number is being discussed. Are we talking about a 2N4401, or a 2N4101???? The 4101 is an SCR, and the 4401 is a NPN transistor (TO-92), and I
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Daun Yeagley
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#92254
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