Agilent

8566 B Spectrum Analyzer

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The Agilent 8566B Spectrum Analyzer is a high-performance spectrum analyzer. The Agilent 8566B Spectrum Analyzer measures signals from 100 Hz to 22 GHz. The Agilent 8566B Spectrum Analyzer provides preselection from 2 to 22 GHz.^[1]^[2]

Agilent8566 B Spectrum Analyzer

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What it is

The Agilent 8566B is a spectrum analyzer.^[3]^[2]^[5]

The 8566B operates from 100 Hz to 2.5 GHz in the low-frequency band and from 2 GHz to 22 GHz in the preselected microwave band.^[1]^[2]^[5]

How it works

The 8566B uses a synthesized local oscillator and an internal microcomputer to automate control functions and operating features.^[1]^[5]

The 8566B consists of an RF section and a display section that are interconnected by cables.^[1]^[5]

Where it fits in the process flow

The 8566B is suited to bench and system use.^[2]

Applications

The 8566B is used for low-level signal measurements, microwave frequency measurements, and computer-controlled measurements.^[2]

The 8566B is also used in electromagnetic compatibility testing, broadband signal surveillance, component stimulus response testing, and millimeter-wave measurements with external mixers.^[2]

What do the numbers mean?

Power & electrical13

Frequency range: 100 Hz to 22 GHz^[2]
Instrument composition: 85662A Display Section and 85660B RF Section^[1]
Power requirements: 50 to 60 Hz; 100, 200, 120, 220, or 240 V (+5%, -10%); approximately 650 VA (40 VA in standby)^[2]
Measurement range: 100 Hz to 22 GHz^[2]
Low-frequency band: 100 Hz to 2.5 GHz^[1]
Instrument sections: 85662A Display Section and 85660B RF Section^[1]
Frequency span: 0 Hz, 100 Hz to 22 GHz over 10 division CRT horizontal axis; variable in approximately 1% increments^[2]
Resolution bandwidth: 10 Hz to 3 MHz in a 1, 3, 10 sequence^[2]
Reference level range, log: +30.0 to -99.9 dBm or equivalent in dBmV, dBμV, volts; expandable to +60.0 dBm to -119.9 dBm^[2]
RF input: 100 Hz to 22 GHz, precision type-N female connector, dc-coupled^[2]
Display outputs: X, Y, and Z outputs for auxiliary CRT displays; X and Y 1 V for full deflection; Z 0 to 1 V intensity modulation; BLANK TTL level > 2.4 V^[2]
Frequency reference output: 10.000 MHz, 0 dBm, 50 ohm output impedance^[2]
Sweep and tune output: -1 V/GHz of tuned frequency ±(2% + 10 mV), 10 kohm impedance^[2]

Control & software1

Remote operation: GP-IB; all analyzer control settings except video trigger level, focus, align, intensity, freq zero, amptd cal, and line power are remotely programmable^[2]

Configuration & options14

with Display^[3]
Instrument type: Spectrum analyzer^[3]
Preselected tuning range: 2 to 22 GHz^[1]
Measurement range: -135 dBm to +30 dBm^[2]
Input: dc-coupled input^[2]
Support status: Agilent no longer sells or supports this product^[4]
Display technology: Cathode ray tube with post deflection accelerator, aluminized P31 phosphor, electrostatic focus and deflection^[2]
Model: 8566B Spectrum Analyzer^[3]
OEM: Agilent^[3]
Microwave band: 2 to 22 GHz^[1]
Amplitude measurement range: +30 to -135 dBm^[2]
Maximum input level, continuous power: +30 dBm from 50 ohm source^[2]
Input attenuator: 0 to 70 dB in 10 dB steps^[2]
Recorder outputs: Horizontal sweep output, video output, and penlift output for X-Y recorders^[2]

Vintage & configurations

Documented models & variants

Designation	Generation	Vintage	Changes	Source
Option 400	—	—	400 Hz power line frequency operation	transcat.com^[2]
Option 462	—	—	100 Hz, 1 kHz, and 1 MHz impulse bandwidth filters for EMI measurements	transcat.com^[2]
Option 002	—	—	Turbo option for faster measurements	transcat.com^[2]
8566A	—	—	The 8566A can be upgraded to an 8566B with retrofit kit 8566AB.	transcat.com^[2]

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Frequency range100 Hz to 22 GHz^[2]
Instrument composition85662A Display Section and 85660B RF Section^[1]
Power requirements50 to 60 Hz; 100, 200, 120, 220, or 240 V (+5%, -10%); approximately 650 VA (40 VA in standby)^[2]
Measurement range100 Hz to 22 GHz^[2]
Low-frequency band100 Hz to 2.5 GHz^[1]
Instrument sections85662A Display Section and 85660B RF Section^[1]
Frequency span0 Hz, 100 Hz to 22 GHz over 10 division CRT horizontal axis; variable in approximately 1% increments^[2]
Resolution bandwidth10 Hz to 3 MHz in a 1, 3, 10 sequence^[2]
Reference level range, log+30.0 to -99.9 dBm or equivalent in dBmV, dBμV, volts; expandable to +60.0 dBm to -119.9 dBm^[2]
RF input100 Hz to 22 GHz, precision type-N female connector, dc-coupled^[2]
Display outputsX, Y, and Z outputs for auxiliary CRT displays; X and Y 1 V for full deflection; Z 0 to 1 V intensity modulation; BLANK TTL level > 2.4 V^[2]
Frequency reference output10.000 MHz, 0 dBm, 50 ohm output impedance^[2]
Sweep and tune output-1 V/GHz of tuned frequency ±(2% + 10 mV), 10 kohm impedance^[2]

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Not publicly documented

Field notes

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Not publicly documented

The following facts about the 8566 B Spectrum Analyzer are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 8566 B Spectrum Analyzer are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the 8566 B Spectrum Analyzer are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the 8566 B Spectrum Analyzer are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 8566 B Spectrum Analyzer is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the 8566 B Spectrum Analyzer are on record.
Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (5)Every fact above is drawn from these public sources

[1]research.physics.illinois.edu — research.physics.illinois.eduresearch.physics.illinois.edu
[2]transcat.com — transcat.comtranscat.com
[3]inventory listing
[4]keysight.comkeysight.com
[5]HP 8566B Spectrum Analyzer Operating and Programming Manual - DocsLib — docslib.orgdocslib.org