The Agilent/Keysight 8660A is a synthesized signal generator engineered for precision signal generation across multiple frequency bands. This discontinued instrument delivers drift-free frequency control with 1 Hz resolution and supports modulation in AM, FM, Phase, and Pulse modes depending on installed configuration. The 8660A accommodates plug-in modules to extend operational range and customize performance for diverse measurement requirements.
Technical Specifications
Frequency Range
• Base instrument and modular architecture support operation from 10 kHz to 2600 MHz
• Plug-in modules define specific frequency bands:
– 86601A: 10 kHz to 110 MHz
– 86602B: 1 MHz to 1300 MHz
– 86603A: 1 MHz to 2600 MHz
Output Level
• Maximum output: +10 dBm to +13 dBm depending on module
• Minimum output: −136 dBm to −146 dBm
• 86603A delivers +7 dBm maximum at frequencies 1300 MHz and above
Frequency Resolution
• 1 Hz resolution across most frequency bands
• 2 Hz resolution above 1300 MHz with certain modules
Modulation Capability
Supports AM, FM, Phase, and Pulse modulation modes per installed modulation section.
Frequency Stability
Optional precision reference provides ±3 × 10⁻⁹/day oscillator stability.
– Key Features
• Synthesized tuning eliminates frequency drift
• HP-IB programmable interface for remote control
• Modular plug-in architecture for customized frequency coverage
• Sub-Hz frequency resolution enables precise tone generation
– Typical Applications
Suitable for research, development, and test environments requiring stable multi-band signal sources with fine frequency control and flexible modulation options.
– Compatibility & Integration
HP-IB (IEEE 488) programmable. Accepts 86601A, 86602B, and 86603A plug-in modules to configure frequency range and performance characteristics.
