Leader-mw | Introduction to spiral duplexer |
Chengdu Leader Microwave Tech.,(leader-mw) latest innovation in RF technology - the spiral duplexer. Spiral duplexers are designed to meet the needs of modern communication systems, providing a compact solution with high Q and low insertion loss, making them ideal for a variety of applications.
In the evolving world of wireless communications, the need for efficient frequency management is critical. Spiral duplexers meet this need by providing narrow relative bandwidths, allowing precise frequency control and improved signal quality. This makes it an important component in applications such as cellular base stations, radar systems and satellite communications.
One of the main advantages of the spiral duplexer is its innovative spiral structure, which provides a perfect balance between size and performance. Unlike traditional LC structures, spiral duplexers can achieve high Q values in excess of 1000 while maintaining a small form factor. This means it delivers great performance without compromising on space, making it ideal for compact portable devices.
Additionally, spiral duplexers are easy to produce, making them a cost-effective solution for manufacturers. Its waveguide or coaxial structure ensures an efficient manufacturing process, allowing seamless integration into a variety of systems and devices.
Leader-mw | Specification |
RX | TX | |
Frequency Range | 225-242MHz | 248-270Mhz |
Insertion Loss | ≤2.5dB | ≤2.5dB |
Return loss | ≥15 | ≥15 |
Rejection | ≥50dB@248-270 MHz | ≥50dB@225-242 MHz |
power | 10W(C.W) | |
operating Temperature | 10℃~+40℃ | |
Storage Temperature | -45℃~+75℃ Bis80% RH | |
impedance | 50Ω | |
Surface Finish | Black | |
Port Connectors | SMA-Female | |
Configuration | As Below(tolerance±0.5mm) |
Remarks:
Power rating is for load vswr better than 1.20:1
Leader-mw | Environmental Specifications |
Operational Temperature | -30ºC~+60ºC |
Storage Temperature | -50ºC~+85ºC |
Vibration | 25gRMS (15 degrees 2KHz) endurance, 1 hour per axis |
Humidity | 100% RH at 35ºc, 95%RH at 40ºc |
Shock | 20G for 11msec half sine wave,3 axis both directions |
Leader-mw | Mechanical Specifications |
Housing | Aluminum |
Connector | ternary alloy three-partalloy |
Female Contact: | gold plated beryllium bronze |
Rohs | compliant |
Weight | 0.5kg |
Outline Drawing:
All Dimensions in mm
Outline Tolerances ± 0.5(0.02)
Mounting Holes Tolerances ±0.2(0.008)
All Connectors: SMA-Female
Leader-mw | Test data |