The Surface Mount Technology (SMT) Microstrip Circulator series is designed to be easily integrated into surface mount assemblies, offering convenience and flexibility in various electronic applications. These circulators are characterized by their compact size, high performance, and compatibility with SMT assembly processes. They are ideal for use in modern communication systems, phased array antennas, RF front-end modules, and other compact electronic devices where space-saving and efficient assembly are essential. The SMT Microstrip Circulator series provides reliable signal routing and isolation while enabling seamless integration into surface mount technology-based circuitry.

Product Details

Characteristics and Applications

Surface Mount Technology (SMT) Microstrip Circulators offer several distinct features and advantages. Their compact size and compatibility with SMT assembly processes make them ideal for space-constrained electronic applications. These circulators provide reliable signal routing and isolation while enabling seamless integration into modern communication systems, phased array antennas, and RF front-end modules.

Key Features & Advantages

Ultra-Compact and Lightweight: Employs LTCC and integrated design, allowing for very small sizes (e.g., 3.2x2.5x1.2mm) and weights of just a few tenths of a gram, greatly saving PCB space. Ideal for highly integrated modules.
Surface-Mount Package: Compliant with SMT process requirements, can be directly mounted onto PCBs via reflow soldering. Highly suitable for automated, large-scale production, significantly reducing assembly cost and time.
Excellent High-Frequency Performance: The planar structure delivers outstanding performance in high-frequency and ultra-high-frequency bands (e.g., C, X, Ku, Ka bands), with low parasitic parameters and stable performance.
High Reliability: All-solid-state structure, no moving parts, resistant to vibration and shock. LTCC material offers good thermal stability and long operational lifetime.
Excellent Consistency: Manufactured using semiconductor-like processes, offering far better batch-to-batch consistency and product repeatability than coaxial or stripline circulators.

Typical Applications

Radar Systems:
- Used in T/R Modules to switch between transmit and receive paths, protecting the low-noise amplifier from high-power transmit signals.
Mobile Communication Infrastructure:
- Isolation of transmit and receive signals in 5G/4G Base Station Massive MIMO antenna systems.
Point-to-Point / Point-to-Multi-point Radios:
- In microwave relay communication and satellite communication terminals, enabling single-antenna operation for both transmit and receive functions.
Test & Measurement Equipment:
- Used in equipment like signal sources and spectrum analyzers for signal routing and isolation.
IoT & Drones:
- Enables efficient RF signal management in devices with stringent size and weight constraints.

Electrical Performance Table and Product Appearance

Product Overview

Here is an X-band and KU-band Surface Mount Technology Microstrip Circulator designed for easy installation using surface mount technology. The product can be customized based on your requirements for frequency band, bandwidth, dimensions, and port locations.

8.0~12.0GHz Surface Mount Technology Microstrip 'T' junction Circulator

Model	Frequency(GHz)	BW Max	Insertion loss(dB) Max	Isolation(dB)Min	VSWR Max	operating temperature(℃)	PK/CW(Watt)	Direction
HMCTE80T120G⬇	8.0~12.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Clockwise
HMCTF80T120G⬇	8.0~12.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Counter Clockwise

8.0~12.0GHz Surface Mount Technology Microstrip 'Y' junction Circulator

Model	Frequency(GHz)	BW Max	Insertion loss(dB) Max	Isolation(dB)Min	VSWR Max	operating temperature(℃)	PK/CW(Watt)	Direction
HMCYE80T120G⬇	8.0~12.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Clockwise
HMCYF80T120G⬇	8.0~12.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Counter Clockwise

14.0~18.0GHz Surface Mount Technology Microstrip 'T' junction Circulator

Model	Frequency(GHz)	BW Max	Insertion loss(dB) Max	Isolation(dB)Min	VSWR Max	operating temperature(℃)	PK/CW(Watt)	Direction
HMCTE140T180G⬇	14.0~18.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Clockwise
HMCTF140T180G⬇	14.0~18.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Counter Clockwise

14.0~18.0GHz Surface Mount Technology Microstrip 'Y' junction Circulator

Model	Frequency(GHz)	BW Max	Insertion loss(dB) Max	Isolation(dB)Min	VSWR Max	operating temperature(℃)	PK/CW(Watt)	Direction
HMCYE140T180G⬇	14.0~18.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Clockwise
HMCYF140T180G⬇	14.0~18.0	FULL	0.6	18	1.3	-55~+85℃	20/10	Counter Clockwise

Performance Indicator Curve Graphs for Some Models

The curve graphs serve the purpose of visually presenting the performance indicators of the product. They offer a comprehensive illustration of various parameters such as frequency response, insertion loss, isolation, and power handling. These graphs are instrumental in enabling customers to assess and compare the product's technical specifications, aiding in informed decision-making for their specific requirements.

HMCYE80T120G 8.0GHz-12.0GHz

Customization & Selection Guide

Operating Band: Ensure it covers all frequencies required by your system.
Power Handling Capacity: Select based on your system's transmit power (average and peak), allowing a certain margin.
Performance Requirements: Define specific requirements for Insertion Loss, Isolation, and VSWR/Return Loss.
Interface & Size: Choose a connector type and form factor compatible with your system board layout.
Environmental Conditions: Consider operating temperature range, vibration, humidity, etc.
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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Surface Mount Technology Microstrip Circulator