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8595A

Keysight Technologies (Agilent HP)Frequency

The Keysight / Agilent / HP 8595A is a highly portable, high-performance superheterodyne spectrum analyzer operating across a frequency range of 9 kHz to 6.5 GHz. Designed for general-purpose RF testing, it features robust build quality, flexible options such as a built-in 2.9 GHz tracking generator, and support for memory card storage.

RF and MicrowaveSignal AnalysisSpectrum Analysis

Specifications

General

ParameterValue
InterfacesHP-IB (GPIB) (Option 021), RS-232 (Option 023), or HP-IL (Option 022)
DisplayMonochrome CRT
Warm-up Time30 minutes
Calibrator Output Impedance50 ohms nominal

Physical

ParameterValue
Power Supply86 to 127 V AC / 195 to 253 V AC, 47 to 66 Hz (up to 440 Hz optional), <150 VA
Operating Temperature0 °C to +55 °C
Dimensions (W×H×D)325 mm × 163 mm × 427 mm
Weight14.5 kg

Frequency

ParameterValue
Frequency Range9 kHz to 6.5 GHz
Frequency Span Range10 kHz to 6.5 GHz, plus 0 Hz (Zero Span)
Resolution Bandwidth (RBW) Range1 kHz to 3 MHz (in 1, 3, 10 sequence); optional 30 Hz to 300 Hz (Option 130)
Video Bandwidth (VBW) Range30 Hz to 1 MHz (in 1, 3, 10 sequence); optional 1 Hz to 300 Hz (Option 130)
SSB Phase Noise (30 kHz Offset)≤ -95 dBc/Hz
Internal Reference Aging Rate±2 x 10^-6 / year (standard)

Amplitude

ParameterValue
Maximum Safe RF Input Level (CW)+30 dBm (1 W)
Maximum DC Input Voltage0 Vdc (DC coupled input)
Input Attenuator Range0 to 70 dB
Input Attenuator Step Size10 dB
Calibrator Output Amplitude-20 dBm
Frequency Response (9 kHz to 2.9 GHz)±1.5 dB
Frequency Response (2.75 GHz to 6.5 GHz)±2.5 dB

Sweep & Acquisition

ParameterValue
Sweep Time Range (Span > 0)20 ms to 100 s
Sweep Time Range (Zero Span)20 µs to 100 s

Inputs & Outputs

ParameterValue
RF Input ConnectorType-N female
RF Input Impedance50 Ω
External Reference InputBNC female, 10 MHz, -2 to +10 dBm
Reference OutputBNC female, 10 MHz, 0 dBm nominal
Calibrator Output ConnectorBNC female
Sweep Output ConnectorBNC female (rear panel)
External Trigger Input ConnectorBNC female (rear panel)

System & Memory

ParameterValue
Memory Card Support32 Kbytes memory cards
Optional Tracking GeneratorBuilt-in 2.9 GHz tracking generator (Option 010)

Environmental

ParameterValue
Storage Temperature-40 °C to +75 °C
Environmental StandardsDesigned to meet MIL-T-28800D Type III, Class 3, Style C

Frequency Reference

ParameterValue
Calibrator Output Frequency300 MHz
Optional High Stability Timebase Aging Rate (Option 1D5)±1 x 10^-7 / year
Optional High Stability Timebase Temperature Stability (Option 1D5)±1.1 x 10^-7

Display & Sweep

ParameterValue
Number of Display Traces3
Active Trace Points401
Sweep Trigger ModesFree Run, Single, Line, Video, External
Display TypeMonochrome CRT

Spurious Responses

ParameterValue
Second Harmonic Distortion (10 MHz to 2.9 GHz)<-70 dBc (for -40 dBm mixer level)
Third-Order Intermodulation Distortion<-70 dBc (for two -30 dBm tones at mixer, >50 kHz separation)
Residual Responses (10 kHz to 6.5 GHz)<-90 dBm (150 kHz to 6.5 GHz)

Power Requirements

ParameterValue
AC Power Supply Frequency Range47 Hz to 66 Hz (and 360 Hz to 440 Hz)
AC Power Consumption< 150 VA (without options)

RF Input

ParameterValue
Input VSWR (9 kHz to 2.9 GHz)< 1.5:1 (with >= 10 dB input attenuation)
Input VSWR (2.75 GHz to 6.5 GHz)< 2.0:1 (with >= 10 dB input attenuation)

Tracking Generator

ParameterValue
Optional Tracking Generator Frequency Range (Option 010)9 kHz to 2.9 GHz
Optional Tracking Generator Output Level Range (Option 010)-1 to -66 dBm

Options

ParameterValue
Narrow Resolution Bandwidths OptionOption 130

Interfaces & I/O

ParameterValue
HP-IB and Parallel Interface OptionOption 041
RS-232 and Parallel Interface OptionOption 043

Technology

Superheterodyne Spectrum Analyzer

Applications

RF and Microwave Frequency Analysis