In professional RF systems such as radar detection, satellite communication, and high-end RF monitoring, the stability of signal transmission, reliability of component protection, and convenience of integration directly determine the overall system performance. As an L-band (1200-1400MHz) drop-in circulator engineered for high-reliability scenarios, the UIYDC5356A1200T1400 achieves unidirectional signal transmission based on the gyromagnetic effect of ferrite materials. Equipped with exceptional power handling capability, low insertion loss, and stable phase performance, it precisely addresses RF link pain points across multiple application scenarios, making it the preferred choice for professional RF engineering applications.
Targeting the core requirements of modern RF systems—high-density integration, extreme environment adaptability, and long operational lifespan—the UIYDC5356A1200T1400 balances performance and practicality in design. It meets rigorous industrial-grade standards and the demands of high-end commercial equipment, providing efficient and reliable signal isolation and component protection solutions for RF systems in various fields.
Core Product Advantages
| Parameter | Specification |
| Model Number | UIYDC5356A1200T1400 |
| Frequency Range | 1200–1400MHz (L-band, continuous wave operation) |
| Power Handling | 300W Average (CW), 3KW Peak (1µs pulse width, 1% duty cycle) |
| Electrical Performance | Operating at +20~+30°C (normal temperature): Insertion Loss＜0.25dB; Isolation > 23dB; VSWR＜1.20 Operating at -20~+65°C (full temperature range): Insertion Loss＜0.30dB; Isolation > 20dB; VSWR＜1.20 |
| Phase Characteristics | 15°Phase angle, ±8°@1307MHz |
| Dimensions (L×W×H) | 53×56×20mm |
| Compliance & Reliability | Compliant with RoHS, REACH, and ISO 9001 certifications, with complete test data provided. |
Product photos/technical drawings:
Key Applications
- L-band Pulse Radar Systems: Protects Tx/Rx modules from reflected power damage, preserves weak echo signals in complex electromagnetic environments, and enhances target recognition accuracy for long-range surveillance, air traffic control, and weather monitoring.
- Satellite Communication Terminals: Ensures stable bidirectional transmission for mobile satellite communication and IoT satellite links, adapts to extreme environmental fluctuations, and meets mission-critical requirements for maritime, aviation, and emergency communication.
- HPA Protection Circuits: Mitigates impedance mismatch risks between amplifiers and antennas, prevents damage to high-value HPA hardware in industrial settings, and reduces downtime and maintenance costs.
- Professional Radios & Base Stations: Optimized for high-density PCB integration, withstands harsh industrial environments, and provides uninterrupted communication support for space-constrained professional communication equipment and commercial base stations.
- RF Test & Measurement Systems: Delivers lab-grade precision performance to support signal analysis and equipment calibration in R&D and production QC processes, ensuring reliable measurement results.
- High-end RF Monitoring Systems: Minimizes self-interference between components, maintains stable operation across extreme temperature ranges, and adapts to signal processing needs of various professional RF monitoring platforms.
For more product details, technical parameter verification, or cooperation inquiries, contact us via email at sales@uiyinc.com or phone at +86-755-83748888. Our team provides professional technical support and services.