Broadband Coaxial Circulator

2-6GHz, 6-18GHz, Full Band

Broadband Coaxial Circulator is a critical component in RF and microwave systems, designed to provide high isolation and efficient signal routing across a wide frequency range within a coaxial transmission line.

Broadband Coaxial Circulator
Low Loss Circulator
Microwave Circulator

Product Details

Characteristics and Applications

This product series covers a broad frequency range from hundreds of MHz to tens of GHz, featuring low insertion loss, high isolation, high power capacity, and excellent temperature stability. They are the ideal choice for radar, communication, and test & measurement systems.

Key Features & Advantages

  • Ultra-Wideband Coverage:Multiple models available covering extensive frequency bands (e.g., 0.5-2 GHz, 1-4 GHz, 2-8 GHz, 6-18 GHz), meeting various application needs, reducing component variety, and simplifying system design.
  • Very Low Insertion Loss:Typical value < 0.4 dB. Maximizes signal transmission efficiency, effectively enhancing system signal-to-noise ratio (SNR) and dynamic range.
  • Excellent Isolation:Typical value > 20 dB. Effectively prevents transmitted signal leakage into the receiver, protecting sensitive receive components from damage and significantly improving system performance.
  • High Power Handling Capacity:Various options available for average power (up to hundreds of watts) and peak power (up to kilowatts). Withstands harsh power surges, ensuring stable and reliable operation in high-power environments.
  • Superior VSWR:Typical VSWR < 1.25. Ensures good impedance matching with transmission lines, reduces signal reflection, and guarantees signal integrity.
  • Robust Coaxial Structure:Standard interfaces (e.g., SMA, N-type, TNC). Hermetically sealed housing provides excellent shielding and mechanical strength, suitable for harsh environments.
  • Outstanding Temperature Stability:Stable performance across a wide temperature range (e.g., -55°C to +85°C), ensuring reliable equipment operation under various climatic conditions.

Typical Applications

  • Radar Systems:Used as Transmit/Receive (T/R) switches, protecting the receiver from high-power transmit pulses.
  • Wireless Communication Systems:Separates transmit and receive signals between the Power Amplifier (PA) and antenna, improving system capacity and sensitivity.
  • Test & Measurement Equipment:Used with signal sources, spectrum analyzers, and network analyzers to protect expensive instruments from reflected signals.
  • Electronic Countermeasures (ECM) Systems:Enables signal routing and isolation in jamming and surveillance systems.
  • Satellite Communications:Used for signal combining and splitting, ensuring isolation between uplink and downlink paths.

Electrical Performance Table and Product Appearance

0.1~0.4GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator, covering the frequency range from VHF to UHF bands, with a maximum relative bandwidth of up to 40%.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA01T04G-B⬇ 0.1~0.4 40% 0.6 15 1.5 SMA -55~+85℃ 1000/100 Clockwise
HCCTB01T04G-B⬇ 0.1~0.4 40% 0.6 15 1.5 SMA -55~+85℃ 1000/100 Counter Clockwise

Product Appearance

0.1~0.4GHz  Broadband Coaxial Circulator Appearance
0.3~0.6GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator, covering the frequency range from UHF bands, with a maximum relative bandwidth of up to 40%.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA03T06G-B⬇ 0.3~0.6 40% 0.6 15 1.5 SMA -55~+85℃ 1000/100 Clockwise
HCCTB03T06G-B⬇ 0.3~0.6 40% 0.6 15 1.5 SMA -55~+85℃ 1000/100 Counter Clockwise

Product Appearance

0.3~0.6GHz  Broadband Coaxial Circulator Appearance
0.5~1.0GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator, covering the frequency range from UHF bands, with a maximum relative bandwidth of up to 40%.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA05T10G-B⬇ 0.5~1.0 40% 0.6 15 1.5 SMA -55~+85℃ 1000/100 Clockwise
HCCTB05T10G-B⬇ 0.5~1.0 40% 0.6 15 1.5 SMA -55~+85℃ 1000/100 Counter Clockwise

Product Appearance

0.5~1.0GHz  Broadband Coaxial Circulator Appearance
1.0~2.0GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator covering the entire L-band frequency range.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA10T20G-B⬇ 1.0~2.0 FULL 0.7(1.0) 16(14) 1.5(1.6) SMA -20~+60℃ -/100 Clockwise
HCCTB10T20G-B⬇ 1.0~2.0 FULL 0.7(1.0) 16(14) 1.5(1.6) SMA -20~+60℃ -/100 Counter Clockwise

Product Appearance

1.0~2.0GHz Broadband Coaxial Circulator Appearance
2.0~6.0GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator, covering the frequency range from S to C bands, with a maximum relative bandwidth of up to 100%.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA20T40G-B⬇ 2.0~4.0 FULL 0.5(0.8) 17(15) 1.35(1.4) SMA -55~+85℃ -/80 Clockwise
HCCTB20T40G-B⬇ 2.0~4.0 FULL 0.5(0.8) 17(15) 1.35(1.4) SMA -55~+85℃ -/80 Counter Clockwise
HCCTA20T60G-B⬇ 2.0~6.0 FULL 1(1.2) 11(10) 1.7 SMA -55~+85℃ -/80 Clockwise
HCCTB20T60G-B⬇ 2.0~6.0 FULL 1(1.2) 11(10) 1.7 SMA -55~+85℃ -/80 Counter Clockwise

Product Appearance

2.0~6.0GHz  Broadband Coaxial Circulator Appearance
3.0~6.0GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator, covering the frequency range from S to C bands, with a maximum relative bandwidth of up to 66.66%.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA30T60G-B⬇ 3.0~6.0 FULL 0.6 16.0 1.35 SMA -40~+70℃ 100/100 Clockwise
HCCTB30T60G-B⬇ 3.0~6.0 FULL 0.6 16.0 1.35 SMA -40~+70℃ 100/100 Counter Clockwise

Product Appearance

3.0~6.0GHz  Broadband Coaxial Circulator Appearance
4.0~8.0GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator covering the entire C-band frequency range.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA40T80G-B⬇ 4.0~8.0 FULL 0.5 17 1.35 SMA -55~+85℃ -/80 Clockwise
HCCTB40T80G-B⬇ 4.0~8.0 FULL 0.5 17 1.35 SMA -55~+85℃ -/80 Counter Clockwise

Product Appearance

4.0~8.0GHz  Broadband Coaxial Circulator Appearance
6.0~18.0GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator, covering the frequency range from C to Ku bands, with a maximum relative bandwidth of up to 100%.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA60T180G-B⬇ 6.0~18.0 FULL 1.2 11 1.7 SMA -55~+85℃ 50/20 Clockwise
HCCTB60T180G-B⬇ 6.0~18.0 FULL 1.2 11 1.7 SMA -55~+85℃ 50/20 Counter Clockwise

Product Appearance

6.0~18.0GHz  Broadband Coaxial Circulator Appearance
18.0~26.5GHz Broadband Coaxial Circulator

Product Overview

The following products are Broadband Coaxial Circulator covering the entire K-band frequency range.Customizable according to frequency band requirements.

Electrical Performance Table

Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max Connector operating temperature(℃) PK/CW(Watt) Direction
HCCTA180T265G-B⬇ 18.0~26.5 FULL 1.0 14 1.5 2.92-K -55~+85℃ 20/5 Clockwise
HCCTB180T265G-B⬇ 18.0~26.5 FULL 1.0 14 1.5 2.92-K -55~+85℃ 20/5 Counter Clockwise

Product Appearance

18.0~26.5GHz  Broadband Coaxial Circulator Appearance

Customization & Selection Guide

  1. Operating Band: Ensure it covers all frequencies required by your system.
  2. Power Handling Capacity: Select based on your system's transmit power (average and peak), allowing a certain margin.
  3. Performance Requirements: Define specific requirements for Insertion Loss, Isolation, and VSWR/Return Loss.
  4. Interface & Size: Choose a connector type and form factor compatible with your system board layout.
  5. Environmental Conditions: Consider operating temperature range, vibration, humidity, etc.
  6. Cost & Delivery: Balance cost and project timeline while meeting performance requirements.

Why Choose Our Product

  • Profound Technical Expertise: We have over 18 years of R&D experience in ferrite materials and microwave magnetics.
  • Fully Automated Production Lines: Ensure consistent excellence and reliability in every unit.
  • Professional Application Support: Our engineering team provides timely technical selection, customization, and failure analysis services.
  • Competitive Pricing & Lead Times: Economies of scale from mass production enable us to respond quickly to your orders.

About HzBeat

HzBeat is a leading RF component manufacturer specializing in RF circulators and isolators, as a global supplier of RF circulators and isolators (20MHz–200GHz), we providing microstrip, drop-in, coaxial, and waveguide solutions for communication systems, radar, satellite, and medical imaging.

For detailed technical documentation, sample requests, or customization needs, please do not hesitate to contact us. — we respond within 24 hours to ensure you get precise solutions for your design.

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