Keysight / Agilent / HP E1466A 4 x 64 Relay Matrix Switch (QUIC)

The Keysight E1466A is a C-size, single-slot VXI relay matrix switch module delivering a 4×64 two-wire switching matrix for high-density signal routing in automated test systems. This register-based module switches both high and low at each crosspoint using latching armature relays, which minimize power consumption during static switching states. The QUIC version features easy-to-use terminal blocks that enable faster cable connections compared to screw terminals, reducing setup time in production environments.

– Technical Specifications

• Matrix Configuration: 4×64 two-wire matrix with crosspoint switching on both high and low sides
• Relay Technology: Latching armature relays for reduced idle power draw
• Form Factor: C-size, 1-slot VXI module
• Onboard Memory: Supports downloaded channel lists for programmable switching sequences
• Terminal Interface: QUIC quick-connect terminal blocks; blocks are field-replaceable to reconfigure matrix topology
• Performance Reference: Specifications measured at Z(load) = Z(source) = 50 Ω; worst-case crosspoint performance; single crosspoint closure per row or column

– Key Features

• Scalable architecture: daisy-chain multiple modules to build matrices up to 4×256 using expansion cables
• Compatible with E1465A and E1467A modules for mixed-topology configurations
• Identical electrical performance across the E1465A/E1466A/E1467A family (crosstalk performance varies by model)
• Full 13-slot VXI mainframe supports up to 3,072 two-wire crosspoints
• Quick-connect terminal blocks eliminate screw-terminal assembly bottlenecks

– Key Considerations

• Matrix expansion via chaining degrades crosstalk and bandwidth performance
• AC specifications apply; DC switching characteristics differ
• Worst-case testing ensures predictable performance across all crosspoints

– Typical Applications

Signal routing in RF/microwave test benches, multiport device characterization, production test floors requiring flexible matrix topologies, and systems demanding frequent reconfiguration without module replacement.