RF Isolators & Circulators Low Insertion Loss High Isolation for Wireless Communications and Radar Systems

RF isolators and circulators covers a wide frequency range from 0.1GHz to 40GHz. It uses ferrite material and microstrip / waveguide / coaxial structure designs. It offers low insertion loss (as low as 0.2dB), high isolation (up to 23dB), and excellent VSWR (as low as 1.15).The products offer high power handling capability (average power up to 2000W, peak power up to 10000W). They are compatible with multiple RF connector interfaces, including SMA, N, L29, and 2.92mm.They are widely used in wireless communication base stations, radar systems, test and measurement equipment, satellite communication and 5G communication.

Features

• Frequency range – 0.1-40GHz
• Insertion loss – as low as 0.2dB
• Isolation – up to 23dB
• VSWR – as low as 1.15
• High power handling – up to 2000W
• Multiple connector options – SMA/N/L29/2.92mm
• Wide operating temperature – -55°C to +85°C
• Multiple structure types – microstrip, waveguide, coaxial

Product Specification Selection Table

Applications

• Wireless communication base stations
• Radar systems
• Test and measurement equipment
• Satellite communication
• 5G communication systems
• Microwave components
• RF front-end modules

FAQ

Q: What is the difference between an isolator and a circulator?

A: An isolator is a three-port device with one port terminated with a matched load. Signal can only travel in one direction. It is used to protect the signal source from reflected power damage. A circulator is a three-port device where signal travels sequentially in a clockwise or counterclockwise direction (1→2→3→1). It can be used for applications such as shared transmit/receive antennas. Both devices work based on the non-reciprocal characteristics of ferrite material.

Q: How to select the frequency range for isolators/circulators?

A: Selection should be based on the system operating frequency. The product series covers 0.1-40GHz, available in both narrowband (bandwidth 10-200MHz) and broadband/full-band types. Narrowband models offer lower insertion loss and higher isolation. Broadband models cover a wider frequency range with more flexible selection. We recommend selecting based on the actual operating frequency band and bandwidth requirements of your system.

Q: What is the impact of insertion loss and isolation on the system?

A: Insertion loss refers to the power loss when signal passes through the device. Lower is better (typical values 0.2-0.6dB). It directly affects system gain and power consumption. Isolation refers to the attenuation of reverse signals. Higher is better (typical values 18-23dB). It directly affects the protection level of the signal source and the effectiveness of transmit/receive isolation.

Q: How much power can high-power isolators/circulators handle?

A: This series offers high-power models with average power up to 2000W and peak power up to 10000W (under pulse conditions). The specific power handling capability depends on frequency, bandwidth, connector type, and heat dissipation conditions. High-power models typically use N-type or L29 connectors and are equipped with heatsinks.