The HP E3C X752C is a directional coupler for X-band microwave transmission systems, engineered to minimize signal loss while maintaining signal integrity across radar, satellite communications, and laboratory measurement applications. Operating from 8.2 to 12.4 GHz, this waveguide coupler delivers 10 dB nominal coupling with minimum 40 dB directivity and exceptional performance stability independent of humidity, temperature, and time variations.
– Technical Specifications
• Frequency Range: 8.2 to 12.4 GHz (X-Band)
• Nominal Coupling: 10 dB (couples 10% of incident power to auxiliary arm)
• Directivity: Minimum 40 dB
• Main Guide SWR: Low
• Auxiliary Arm SWR: Typically 1.15
• Coupling Accuracy: High; typical values 10.0 to 10.3 dB
• Impedance: 50 ohm
• Waveguide Size: WR-90/WG-16 equivalent (2.286 cm × 1.016 cm)
• Flange Type: UG-39/U or CPR-137G options
• Construction: Conventional multi-hole design
• Testing: Swept-frequency verified for SWR and directivity specifications
– Key Features
• 10 dB coupling factor providing precise power monitoring and measurement
• Minimum 40 dB directivity ensures unidirectional power transfer with superior isolation
• Stable performance unaffected by environmental humidity, temperature, and time drift
• Low SWR on main guide and controlled 1.15 SWR on auxiliary arm
• High coupling accuracy suitable for standards-grade microwave measurements
• Verified through swept-frequency testing across the X-band operating range
– Typical Applications
• Radar systems
• Satellite communications
• High-frequency laboratory testing and power monitoring
• Microwave standards measurements requiring stable, repeatable performance
– Compatibility & Integration
The HP 752C integrates with standard X-band waveguide systems using WR-90/WG-16 dimensions. Flanges accommodate UG-39/U or CPR-137G configurations. The 50 ohm impedance matches conventional microwave system requirements. Flange protection from damage is recommended during handling and installation.
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