The ARRA 9426A is a broadband mechanical phase shifter engineered for precision phase adjustment across DC to 18 GHz. This MIL-C-22750 certified component delivers up to 360 degrees of phase shift at 6 GHz with a phase adjustment rate of 60°/GHz, making it suitable for test and measurement, satellite communications, and radar applications requiring stable, repeatable phase control.
## Technical Specifications
**Frequency & Phase Performance**
• Operating Range: DC to 18 GHz
• Phase Adjustment Rate: 60°/GHz
• Minimum Phase Range: 360° at 6 GHz
• Phase Calibration Accuracy: ±0.7°/GHz (with optional digital readout in 0.1° increments)
**Insertion Characteristics**
• Insertion Loss: 0.5 dB (DC–8 GHz), 0.75 dB (to 12 GHz), 1.0 dB (to 18 GHz)
• Insertion Delay: 0.88 to 1.1 nsec
**Return Loss**
• VSWR: 1.3 (to 4 GHz), 1.5 (to 12 GHz), 1.6 (to 18 GHz)
**RF Power Handling**
• Average Power: 100 W
• Peak Power: 5 kW
**Control & Interface**
• Manual Control: 1/4 inch non-translating shaft
• Optional digital readout available
• Input/Output Impedance: 50 Ω
## Key Features
• Military-grade construction with MIL-C-22750 finish (ARRA Blue)
• Aluminum body with stainless steel connectors
• Broad frequency coverage with minimal phase ripple
• SMA female connectors (standard); Type N optional
• Compact form factor: 5.5 × 3.625 inches
• Mechanical design eliminates drift common to solid-state shifters
## Typical Applications
• Phase matching in test and measurement systems
• Satellite communication signal conditioning
• Radar beam steering and calibration
• Broadband RF system tuning
## Compatibility & Integration
Standard SMA female connectors support integration with most broadband RF test systems. Type N connectors available upon request. Four thru holes and two tapped holes enable direct panel or bench mounting.
