GT Microwave Quad-Phase (QPSK) Modulators are high-performance microwave control components designed to provide precise phase modulation for advanced communication, radar, electronic warfare, and test system applications. Utilizing PIN diode technology, these modulators generate four discrete phase states (0°, 90°, 180°, and 270°) while maintaining excellent phase and amplitude matching across wide operating bandwidths. Available in ultra-broadband and optimized narrowband configurations, QPSK modulators support reliable, high-speed digital modulation in demanding military, aerospace, and commercial RF environments. Options include digital control interfaces, custom packaging, and integrated sub-assembly solutions for seamless system integration.

General Specifications:

Device Type: Quad-Phase (QPSK) Modulator
Modulation States: 0°, 90°, 180°, 270°
Frequency Range: 200 MHz to 22 GHz (model dependent)
Bandwidth: Up to 9:1 bandwidth ratios available
Technology: PIN Diode-Based Design
Control Type: Digital Control Options Available
Phase Matching: Unit-to-Unit Phase Matching Available
Amplitude Matching: Unit-to-Unit Amplitude Matching Available
Configuration Options: Ultra-Broadband, Optimized Narrowband, Custom Sub-Assemblies
Applications: Radar Systems, Satellite Communications, Electronic Warfare, Test & Measurement, Microwave Communications
Operating Environment: Commercial, Aerospace, Defense, Naval, and Space Applications
Customization: Custom Frequencies, Packaging, and Integration Available