Overview
The HP 85660-60181 spectrum analyzer RF section board assembly is a replacement component for HP’s 8566 series spectrum analyzers. This RF section board interfaces with the HP 85662A IF-Display section to provide complete spectrum analysis functionality. The 85660-60181 is engineered for precision RF signal measurement, frequency characterization, and spectral analysis in research, development, and field maintenance applications.
Key Features
- RF section board assembly compatible with HP 8566 series analyzers
- Interfaces directly with HP 85662A IF-Display section via interconnection cables
- Supports frequency measurement and amplitude characterization
- Suitable for spectral content analysis and frequency response testing
- Used condition; fully functional and inspected before shipment
- Direct replacement for compatible HP spectrum analyzer systems
Technical Specifications
- Manufacturer: HP (Hewlett Packard)
- Part Number: 85660-60181
- Component Type: RF Section Board Assembly
- Compatible Series: HP 8566 Spectrum Analyzer
- Display Section Interface: HP 85662A
- Condition: Used, fully functional
Typical Applications
- Laboratory RF and microwave signal measurement
- Frequency response characterization of circuits and components
- Spectral content analysis and modulation analysis
- Research and development testing in communications systems
- Maintenance and troubleshooting of spectrum analyzer equipment
- Signal integrity and EMI/RFI compliance testing
Compatibility & Replacements
Compatible With
- HP 85662A IF-Display section
- HP 8566 series spectrum analyzers
- HP/Agilent test systems utilizing 85660-series RF sections
Replaces / Drop-In Replacement For
- HP 85660-60181 (exact model)
- Other 85660-series RF section variants where pin-compatible (verify before ordering)
Works With
- HP 8566B spectrum analyzer platforms
- HP/Agilent legacy test and measurement systems
- Systems requiring 85660-series RF section boards
- Laboratory automation and remote control interfaces via the instrument’s standard control connectors





