The Agilent/Keysight 44709A is a 20-channel FET multiplexer terminal block engineered for signal routing in test and measurement applications. Built on field-effect transistor switching technology, this component delivers precise signal multiplexing within the 447xx series platform. The 44709A integrates directly into larger test systems as a dedicated signal-switching module, offering terminal block connectivity for straightforward wiring integration.
Technical Specifications
• Manufacturer: Agilent / HP / Keysight
• Model: 44709A
• Product Type: 20-Channel FET Multiplexer Terminal Block
• Channel Count: 20 channels
• Series: 447xx Series FET Multiplexers
• Switching Technology: Field-Effect Transistor (FET)
• Interface: Terminal block configuration
• Weight: 15 lbs
– Key Features
• 20-channel architecture for multi-signal routing
• FET-based switching for reliable signal multiplexing
• Terminal block interface for direct signal connections
• Part of a modular 447xx series platform offering 20, 24, and 48-channel variants
• Related configurations include standard, single-ended, and high-speed types available across the series
– Typical Applications
• Automated test and measurement signal routing
• Multi-channel signal switching in instrumentation systems
• Data acquisition and signal conditioning modules
• Laboratory and production test environments requiring flexible signal multiplexing
– Compatibility & Integration
The 44709A integrates as a component within broader Agilent/HP/Keysight test instrument and rack systems. As a terminal block module, it connects directly to external wiring and test equipment. The device is compatible with the 447xx series ecosystem, which includes related models such as the 44713A thermocouple compensation variant. Documentation for the 447xx series, including detailed specifications for models 44711A, 44712A, and 44713A, is available through technical references.


















