The Keithley S40-C204-1×19 is a modular RF and microwave signal routing mainframe engineered for automated test systems requiring flexible, high-integrity signal path configurations. This mainframe accepts various switching modules to create multiplexer and non-blocking matrix topologies, supporting frequencies up to 18 GHz depending on installed modules. The architecture prioritizes signal integrity across RF impedances such as 50 Ω, with design focus on low insertion loss, VSWR, and crosstalk performance.
## Technical Specifications
• **Model:** S40-C204-1×19
• **Product Type:** RF and Microwave Signal Routing Mainframe
• **Frequency Range:** Up to 18 GHz (dependent on installed modules)
• **Impedance:** 50 Ω standard
• **Power Supply:** 100–240 VAC, 50/60 Hz
• **Chassis:** Standard rack-mountable mainframe for switching modules and control electronics
## Key Features
• Modular design accommodates multiple switching and control modules for customized signal routing
• Supports matrix configurations including multiplexer and non-blocking topologies
• Designed for high signal integrity critical to RF and microwave measurements
• GPIB (IEEE-488.2) interface with SCPI command compatibility for remote control and programming
• Relay control lines for managing various relay configurations
• Scalable architecture integrating with other Keithley systems and modules
## Typical Applications
• Automated RF and microwave test systems
• Network analyzer integration
• RF power meter systems
• DC measurement integration in mixed-signal test environments
• High-throughput production testing requiring fast switching speeds
## Compatibility & Integration
The mainframe accepts specific Keithley RF and microwave switching modules and compatible switching cards. Integration with network analyzers, RF power meters, and DC measurement systems is supported through appropriate module configuration. System integration via GPIB enables control within larger automated test equipment (ATE) frameworks.
