Astronics / EADS / Racal 1260-60B 18 GHz Microwave Switch Module

The Astronics / EADS / Racal 1260-60B is a single-pole, double-throw (SPDT) microwave switch module designed for precision RF signal routing in systems operating DC to 18 GHz. Built for automated test equipment, signal monitoring, and RF system calibration, this module delivers low insertion loss and high isolation across its operating range with fast switching response and straightforward TTL/BCD control.

## Technical Specifications

• **Frequency Range:** DC to 18 GHz
• **Insertion Loss:** 60 dB at 18 GHz
• **VSWR:** < 1.5:1 across specified frequency range
• **Switching Speed:** < 15 ms (maximum)
• **Impedance:** 50 Ohms
• **Contact Resistance:** < 0.1 Ohm
• **Actuation Voltage:** 24–28 VDC
• **Actuation Current:** < 150 mA at 28 VDC
• **Operating Temperature:** -40°C to +85°C
• **Storage Temperature:** -55°C to +105°C
• **Humidity:** 95% RH non-condensing

## Key Features

• Single-pole, double-throw configuration with three SMA female connectors (common, normally open, normally closed)
• TTL-compatible or BCD-encoded control interface
• Chassis mount with screw terminals for power and control connections
• Specification stability across DC to 18 GHz operating range

## Typical Applications

• Automated test equipment (ATE) signal routing
• RF system calibration and signal monitoring
• General-purpose microwave test and measurement systems

## Compatibility & Integration

The 1260-60B integrates into standard RF and microwave test platforms, signal generators, spectrum analyzers, and network analyzer configurations. 50-Ohm impedance matching and SMA connectivity enable straightforward integration into existing test architectures.