HP 141T / Agilent 141T Oscilloscope Mainframe
The 141T is typically used with an 8552 series IF plug-in and an RF Plug-in, of which there are different frequency ranges. The 141T in the photo has the 8554B & 8552B Spectrum Analyzer Sections, but are NOT included.

You can find the 8500 series plug-ins below

The 141T mainframe features an easy-to-read 8x10cm variable persistence CRT with a writing rate from 0.2 sec to 15sec. Maximum storage time is over 2 hours at reduced brightness. The 141T Spectrum Analyzer System IF and IR sections feature a tuning range from 20 MHz to 18 GHz (40 GHz with external mixers), with a scan width maximum of 200 MHz/div. Amplitude range is from -127 to +10 dBm. Bandwidths are adjustable from 100 Hz to 300 kHz.
$ 900.00 US - Mainframe ONLY

HP 182T / Agilent 182T Mainframe

FEATURES:
• vertical style 2 plug-in 100Mhz scope mainframe
• slow phosphor CRT
• Takes all 180 series plug in modules.

HP 3561A / Agilent 3561A Single Channel Dynamic Signal Analyzer 0.000125 Hz to 100 kHz
Spectrum analysis 1/3 and 1/1 octave analysis.
Time capture (40 k sample).
High speed (7.5 kHz real time.
High Accuracy + .15 Db.
80 dB dynamic range to 640 µHz resolution bandwidth.
Accuracy +0.003% of display center frequency.
Resolution 0.25% of frequency span.
Amplitude Measurement range +27 to -120 dBV noise floor -
(22.4 Vrms to 1 µV noise floor)
Dynamic Range 80 dB &
Input Impedance 1X10⁶ ohm + 5% shunted by 95 pF maximum.
Call for price

HP 3571A / Agilent 3571A Tracking Spectrum Analyzer
Has built in Operating Instruction card.
Features - Display smoothing, 3 position Display Reference, Bandwidth 1 kHz to 300 Hz over 8 steps, 8 step Input Range in variable depending on Input Impedance selection of 1 Mohm, 75 ohm & 50 ohm. HP-IB, Remote Control, Intensity Amplitude 20-33 MHz input & 1 MHz input.
$ 500.00 US

HP 3581C / Agilent 3581C Selective Voltmeter
This unit has wide application in testing special service circuits in both inside and outside plant maintenance. It can do spectrum analysis, measure non-linear distortion and locate and measure unwanted spurious and induced tones.
Features:
Frequency Range:15 Hz to 50 kHz.
5 Digit LED Display with Sweep Error Light.
External Trigger.
Frequency Response 40 Hz-20 kHz +0.5 dBm for signals <20 dBm.
$ 650.00 US

HP 3582 / Agilent 3582A Dual Channel, Spectrum Analyzer - Dynamic Signal Analyzer 0.02 Hz to 25.599 kHz, HP-IB
The 3582A is a powerful dual channel, real time spectrum analyzer with sophisticated LSI digital filtering combined with microcomputer execution of the FFT providing exceptional measurement capability and performance. It offers transfer function magnitude and phase measurements, coherence function measurement, phase spectrum measurement, transient capture and frequency domain analysis and alphanumeric CRT annotation and marker readout.
Frequency Range: 0.02 Hz to 25.5 kHz
Spans 1 Hz to 25 kHz in a 1-2.5-5-10 sequence. 1 Hz & 2.5 Hz spans are usable only in the 0-start mode.
Accuracy: +0.003% of display center frequency.
$ 2275.00 US

HP 3585A / Agilent 3585A Spectrum Analyzer 20 Hz to 40.1 MHz
This unit offers: 80 dB dynamic range, 3 Hz resolution bandwidth, ±0.4 dB amplitude accuracy, 1001 x 1024 Digital Storage Display.
FEATURES: Amplitude: Measurement Range - 1 Mohm input: -31 nVrms to +7.08 Vrms, 50/75 ohm input: -137 dBm to +30 dBm.
Dynamic Range: Spurious Responses - 50/75 ohm input: < -80 dB, 1 Mohm input: < -80 dB

$ 3750.00 US

HP 3588A / Agilent 3588A Spectrum Analyzer 10 Hz to 150 MHz with OPT 001, 003 & HPIB
The Agilent 3588A spectrum analyzer provides comprehensive frequency-domain measurements and covers the baseband through IF frequency range of 10 Hz to 150 MHz. The Agilent 3588A offers high-performance spectrum measurements and simple scalar network measurements with its fully-synthesized tracking generator.

• Full baseband and IF frequency coverage from 10 Hz to 150 MHz
• Accurate measurement of noise, S/N, power, and frequency
• Superb frequency resolution to separate signals in high-density channels
• Amplitude accuracy of ±0.25 dB (typical)
• Narrowband zoom is fast enough to show you spurious signals from hopping carriers
• HP Instrument BASIC provides automated signal monitoring and measurement
• Built-in frequency counter for quick signal identification
• Amplitude: Measurement Range - 1 Mohm input: -31 nVrms to +7.08 Vrms, 50/75 ohm input: -137 dBm to +30 dBm
• Amplitude Dynamic Range: Spurious Responses - 50/75 ohm input: < -80 dB, 1 Mohm input: < -80 dB

HP 4195A / Agilent 4195A RF Network/Spectrum Analyzer 10 Hz - 500 MHz
The 4195A is a high-performance, intelligent analyzer with combined vector network and spectrum analysis capabilities. The frequency is covered from 10 Hz through 500 MHz with an excellent 0.001 Hz resolution for audio, baseband, HF, VHF, and IF applications. It directly measures amplitude ratio, phase, group delay, and spectrum level nedded for characterizing linear.non-linear abalog circuits or components used in communications, telecommunications, consumer electronics, and other equipment.

FEATURES:
• Combined Vector Network and Spectrum Analysis
• Frequency, 10 Hz - 500 MHz
• Measures amplitude ratio, phase, group delay, and spectrum level
• Linear and nonlinear device measurement and analysis
• High accuracy and 1 MHz resolution
• Color graphics, graphics analysis, and direct copy
• Direct save/recall with internal disk drive
• Easy-to-see color graphics CRT

HP 70000 / Agilent 70000 Series Spectrum Analyzer with 70001A Mainframe, 70004A Color Display Unit & Plug-Ins
The HP 70000 modular measurement system combines the latest technology with all the benefits of modularity. Its fully automated, modular architecture has been optimized for test instrumentation. Its rugged, reliable mainframes and display/control units combine with an expanding variety of modules. This system utilizes the HP-MSIB modular system interface bus. The modules enable flexibility and our unit has all the basic components you could want.

This 70000 System Includes:
70001A System Mainframe
70004A Color Display/Mainframe
70310A Precision Frequency Reference
70900B Local Oscillator
70902A IF Section / RBW 10 Hz - 300 kHz
70904A RF Section / 100 Hz - 2.9 GHz
70310-60016 Power Pack
Interconnect Cables and Power Cords are also included.

PLEASE SPECIFY WHICH ITEM YOU WOULD LIKE PRICING FOR
A) Complete System As Above
B) 70001A 8 slot System Mainframe Only
C) 70004A Display and 4 slot Mainframe Only
D) Plug-Ins Only - Please See Below.

HP 70310A / Agilent 70310A Precision Frequency Reference for 70000 series
100 MHz Output: Power: 0 dBm (characteristic)
10 MHz Output: Power: 0 dBm (characteristic), Harmonics: <-20 dBc, Spurious: <-80 dBc
10 Hz <-95 dBc/Hz, <-135 dBc
100 Hz <-125 dBc/Hz, <-135 dBc
1 kHz <-145 dBc/Hz, <-125 dBc

$ 1850.00.00 US

HP 70900B / Agilent 70900B Local Oscillator for 70000 Series
Frequency: 0 Hz -300 MHz 1st Local Oscillator (LO) Output Connector: SMB(f)
Frequency Accuracy: 300%
Maximum Sweep Time: 200us
$ 3900.00 US

HP 70904A / Agilent 70904A RF Section Broadband Input Conversion for 70000 Series
100 Hz - 2.9 GHz
$ 1100.00 US

HP 70905A / Agilent 70905A RF Section for 70000 Series
50 kHz - 22 GHz
$ 3300.00 US

HP 70907A / Agilent 70907A External Mixer Interface for 70000 Series
Contains downconversion circuitry to convert the 321.4 MHz input IF to a 21.4 MHz IF signal.
18 GHz - 110 GHz with HP 11970 mixers (not included). OR
2.7 GHz - 325 GHz using mixers from other manufacturers (not included).
$ 3000.00 US

HP 70952B / Agilent 70952B Optical Spectrum Analyzer for 70000 Series
Range: 600 - 1700 nm
Optical Input: 9/125 µm
Call for price

HP 8445B / Agilent 8445B Tracking Preselector, 10MHz - 18GHz
The 8445B Tracking Preselector contains a YIG filter which tracks the tuned frequency of the analyzer over the range of 10 MHz to 18 GHz. The preselector suppresses the image and multiple responses which result from harmonic mixing. The YIG filter is electronically tuned by sweep voltage and band code signals from the analyzer. Tracking filter 3 dB bandwidth is typically 20 to 45 MHz. Tracking filter skirt roll-off is nominally 18 dB/octave.
$ 325.00 US

HP 8552A / Agilent 8552A Spectrum Analyzer-High Resolution IF Section
As received from the military.
Compatible with the 141T mainframe above.
$ 95.00 US Spare Parts Unit

HP 8552B / Agilent 8552B Spectrum Analyzer-High Resolution IF Section
Fully tested and in good condition.
Compatible with the 141T mainframe above.
$ 350.00 US

HP 8553B / Agilent 8553B Spectrum Analyzer-RF Section 0.01-110MHz
Fully tested and in good shape.
Compatible with the 141T mainframe above.
$ 350.00 US

HP 8553L / Agilent 8553L Spectrum Analyzer-RF Section 0.1-110MHz

Compatible with the 141T mainframe above.
$ 95.00 US Spare Parts Unit

HP 8556A / Agilent 8556A Spectrum Analyzer-LF Section 20 Hz-300 kHz
The 8556A offers a frequency range of 20Hz to 300 kHz (8552B IF section), 100 Hz to 300 kHz (8552A IF section). The input may be either balanced or unbalanced and measurement units may be dBV, dBm or volts, a 30 kHz tuning scale is provided for greater resolution at low frequencies. Crystal markers with 20 kHz spacing may be selected to ensure accurate frequency measurements. Bandwidths from 10 Hz to 10kHz are provided. The 10Hz bandwidth allows signals as low as -152 dBV.

Compatible with the 141T mainframe above.
$ 650.00 US

HP 8557A / Agilent 8557A Spectrum Analyzer Plug-In 0.01-350MHz

FEATURES:
• Displays the amplitude and frequency of each component of an input signal on a CRT
• Display gives quantitative information often not available from a conventional oscilloscope
• Can measure signals from +20 dBm to -117 dBm
• 0.01 MHz to 350 MHz frequency range
• Compatable with 180-Series and 853A Mainframes

HP 8558B / Agilent 8558B Spectrum Analyzer - RF Section 100kHz-1500MHz &
HP 8558B OPT 002 with 853A Display
A 100 kHz to 1500 MHz spectrum analyzer plug-in for use with the 853A or 180-series display. Eight selectable resolution bandwidths (3 dB) from 1 kHz to 3 MHz. Bandwidth and frequency span are independently variable or may be coupled. Amplitude range is -117 to +30 dBm. Automatic and manual sweep. Calibrated sweep times of 0.1 mS to 10 S/div with ±10% accuracy. Input impedance of 50 Ohms nominal.

The 8558B Plug-in is compatible with the 853A or 180 Series Display.

PRICES:
HP 8558B Plug-In ONLY no Opt: $ 1350.00 US

HP 8558B Opt 002/853A Display: $ 2500.00 US
Opt. 002 = 75 ohm input for CATV

HP 8559A / Agilent 8559A Spectrum Analyzer 0.01 to 21GHz
Plug in only
Call for price

HP 8560A / Agilent 8560A Spectrum Analyzer 50 Hz to 2.9 GHz - Mint Condition

FEATURES & SPECIFICATIONS:
• Rugged for Field Service Mil-T-28800C
• Synthesized Tuning
• Frequency Range: 50Hz to 2.9GHz
• Counter Resolution: 1 Hz to 1MHz selectable
• Residual FM (zero span): <10 Hz p-p in 20ms
• Spectral Purity Noise Sidebands: <(-100 + 20 log n) dBc/Hz at 30kHz offset
• Amplitude Range: +30 dBm to displayed average noise level
• Amplitude Accuracy: +1.0 dB (dc-coupled)
• Dynamic Range: 125 dB

HP 8563E / Agilent 8563E Spectrum Analyzer With Calibration Certificate and 85620E Mass Memory Module
The Agilent 8563E portable microwave spectrum analyzer offers the measurement capability and performance previously found in larger, more expensive benchtop analyzers. This analyzer has a standard frequency range of 9 kHz to 26.5 GHz (preselected from 2.75 GHz to 26.5 GHz).

The 8563E combines outstanding phase noise, sensitivity, 1 Hz resolution bandwidths, synthesized tuning and wide dynamic range in a MIL-rugged package built to withstand harsh environmental conditions.

FEATURES:
• Continuous 30 Hz to 26.5 GHz sweep
• Fast digital resolution bandwidths of 1, 3, 10, 30 and 100 Hz
• Adjacent channel power, channel power, carrier power, occupied bandwidth percentage and time-gated measurements standard
• Precision timebase and 1 Hz counter resolution
• MIL-T-28800 rugged
• Measurement personalities for digital radio and phase noise measurements

HP 85640A / Agilent 85640A RF Tracking Generator, 300 kHz - 2.9 GHz
This portable tracking generator probides the HP 8560 Series spectrum analyzers with scalar measurement capability from 300 kHz - 2.9 GHz. Measures gain, frequency response, compression, flatness and return loss on components and subsystems. The built-in attenuator gives an output power range of -80 to 0 dBm. Together the spectrum analyzer and tracking generator have a dynamic range greater than 100 dB.
Call for price

HP 8569B / Agilent 8569B Spectrum Analyzer Microwave 10 MHz - 22 GHz
High performance and simple operation are combined with unique microprocessor-controlled capabilities in the 8569B Microwave Spectrum Analyzer. Excellent sensitivity and internal preselection assure the wide, spurious-free measurement range necessary for production applications, while the digital display and couples controls speed measurement routines.

FEATURES:
• 0.1-22 GHz, External Mixing to 115 GHz (mixers *NOT* included)
• Internal preselection, 1.7-22 GHz
• Wide Resolution Range, 100 Hz-3 MHz
• Simple Three Knob Operation
• Digital Display of Dual Traces and Control Settings

HP 8593E / Agilent 8593E Spectrum Analyzer OPT 041, 140 9 kHz-22 GHz - Excellent Condition
The Agilent 8593E is an easy-to-use microwave spectrum analyzer that offers a wide range of performance, features, and optional capability to meet your measurement needs. Downloadable measurement personalities combine with optional plug-in performance to provide tailored solutions for your application.

FEATURES:
• Perform complex tests simply and quickly with measurement personalities that support applications like cable TV/broadcast, component test, electromagnetic compatibility, lightwave, and wireless communications
• Four slot cardcage
• Split screen display
• One-button measurement routines
• Advanced measurement functions
• Dual interfaces
• Built-in tracking generator

HP 8595E / Agilent 8595E Spectrum Analyzer OPT 010, 041 9 kHz-6.5 GHz - Excellent Condition
Part of the 8590 series spectrum analyzers, the Agilent 8595E is an easy-to-use microwave spectrum analyzer that offers a wide range of performance, features, and optional capability to meet your measurement needs.

FEATURES:
• Perform complex tests simply and quickly with measurement personalities that support applications like cable TV/broadcast, component test, electromagnetic compatibility, lightwave, and wireless communications Option 010 = Built-in Tracking Generator, 50 Ohm (9 kHz-2.9 GHz)
  Option 041 = HP-IB and Parallel Printer Interfaces
  
  Complete specifications available upon request.
  Call for price

HP 8750A / Agilent 8750A Storage Normalizer for Network & Spectrum Analyzers
It provides digitally stored and normalized CRT displays. Measurements are faster, easier, and more accurate when the 8750A is employed because the CRT is flicker-free and frequency response errors are eliminated. The 8750A improves both the accuracy and convenience of swept frequency measurements. It also makes x-y plotting much more convenient by automatically outputting the x, y and penlift signals from memory at the push of a single button.

We Have 2 Configurations:
8750A with Opt 4, 8754A Network Analyzer Plug-In Card
PRICE - $ 250.00 US

8750A with Spectum Analyzer Plug-In Card
PRICE - $ 250.00 US

HP 8901A / Agilent 8901A OPT 002 / 010 Modulation Analyzer 150kHz - 1300MHz
Frequency Range: 150 kHz-1300 MHz
Completely automatic
Low internal noise
Measures:
AM and FM with 1% accuracy
RF frequency
RF power (1 mW-1 W)

We have 2 units in stock.
1 of: 8901A with OPT 010 - AM and FM Calibrators
Price: $1200.00 US - Excellent Like New Condition

1 of: 8901A with OPT 002 & 010
OPT 002 = 1 x 10^-9/Day Internal Reference. OPT 010 AM and FM Calibrators
Price: $ 1450.00 US

HP 8901B / Agilent 8901B Modulation Analyzer Opt 001 / 003 / 004 / 021see below for config, 150 kHz-1300 MHz
Measures AM and FM to 1% accuracy
Measures RF Frequency
Measure RF Power
Low Internal Noise
Completely Automatic.
We have 3 units:
8901B with Opt 021 Sensor Module (sensor not included).

8901B with Opt 001 RF Connectors on Rear Panel Only,
Opt 021 Sensor Module & Opt 003 Local Oscillator (sensor not included).

8901B with Opt 004 Operation from 48 to 440Hz power (Temp. <40°C)
Call for price - Please specify item

HP 8903A / Agilent 8903A Audio Analyzer 20Hz-100kHz with HP-IB/GPIB

$ 1200.00 US

HP 8903B / Agilent 8903B Audio Analyzer 20 Hz-100 kHz with HP-IB, 400 Hz High-Pass Filter & CCIR/ARM Weighting & OPT 01
OPT 01: Rear Panel Connections
$ 1600.00 US

HP 89441A / Agilent 89441A Vector Signal Analyzer (IF) DC-2.65GHz with RF Section-89431A, 89441A/89431A/AYA/AYH/AYJ/UFG
Vector RF mode offers exceptional speed and additional signal processing for enhanced time-domain characterization and demodulation. Vector spans as wide as 7 MHz can be selected anywhere in the 2.65 GHz frequency range. A vector baseband mode is also available to provide all of the features and functionality of the Agilent 89410A. In vector RF mode, both phase and amplitude characteristics are captured in the time-series data. This information can be processed for narrow resolution spectrum analysis, AM/FM/PM demodulation, time selective analysis, vector modulation analysis (optional), and many other types of measurements.

FEATURES:
• DC to 2.65 GHz frequency range
• Scalar and vector analysis modes
• Full frequency coverage in spans to 2648 MHz
• Exceptional speed and additional signal processing in RF mode for enhanced time-domain characteristics and demodulation
• Vector RF mode captures phase and amplitude characteristics in time-series data

Our unit is in Excellent condition and comes with:
• 89441A Analyzer
• 89431A RF Section
• Opt AYA: Vector Modulation Analysis
• Opt AYH: Digital Video Modulation Analysis
• Opt AYJ: Adaptive Equalizer
• Opt UFG: 4-MB Extended RAM and Additional I/O
• Software
• Manuals