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Impedance Matching Balun Transformer for High Frequency RF Circuits with Common-Mode Noise Suppression

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Impedance Matching Balun Transformer for High Frequency RF Circuits with Common-Mode Noise Suppression

Brand Name:	ZXY
MOQ:	Negotiable
Price:	Negotiable
Packaging Details:	Carton

Detail Information

Product Description

Detail Information

Place of Origin:

Shenzhen Guangdong

Certification:

RoHS、ISO9001、CE

Supply Ability:

Negotiable

Highlight:

Impedance Matching Balun Transformer

Common-Mode Noise Suppression RF Transformer

High Frequency Range Impedance Matching Transformer

Product Description

Impedance Matching Balun Transformer for Antenna Systems and RF Circuits

The Impedance Matching Balun Transformer is a critical passive component engineered to optimize signal integrity and power transfer in high-frequency applications. By seamlessly converting between balanced and unbalanced transmission lines while simultaneously transforming impedance values, it ensures maximum power delivery and minimizes reflective losses.

Core Functions and Applications

In antenna systems, this transformer is indispensable for matching the antenna's balanced feed point to the unbalanced coaxial cable of transceivers, dramatically improving radiation efficiency and bandwidth. Within RF circuits, it enables precise impedance matching between stages, reduces common-mode noise, and enhances the stability and performance of amplifiers, filters, and mixers. This dual-function device is foundational to achieving robust, efficient, and reliable operation in wireless communication, broadcasting, and radar systems.

Key Electrical Functions

Balance and Unbalance Conversion: Performs efficient, low-loss interface conversion between balanced transmission lines (such as twisted pair cables and differential pairs) and unbalanced transmission lines (such as coaxial cables and microstrip lines), ensuring correct signal transmission between circuits and devices of different architectures.
Impedance Transformation and Matching: Provides specific impedance transformation ratios through winding turns ratio, solving impedance mismatch problems by accurately matching source impedance to load impedance for maximum power transmission, suppressing signal reflection, and improving voltage standing wave ratio.
Common Mode Noise Suppression: Effectively suppresses common mode interference signals with the same phase and amplitude that are externally coupled to the line, while allowing useful differential signals to pass through, significantly improving system anti-interference capability and signal-to-noise ratio.

Performance Characteristics

Category	Parameter / Feature	Description / Significance
Core Electrical Performance	Impedance Ratio	The fixed transformation ratio (e.g., 1:1, 1:4, 4:1) between the balanced and unbalanced ports, defining the primary matching function.
	Frequency Range	The band of operating frequencies over which the balun maintains specified performance. Critical for application suitability.
	Insertion Loss	The signal power lost (in dB) when passing through the balun. Lower values indicate higher efficiency.
	Amplitude & Phase Balance	Measures the consistency in signal amplitude and phase (180° ideal) between the two balanced outputs. Key for noise rejection.
	Common-Mode Rejection Ratio (CMRR)	The ability to reject common-mode interference on the balanced side. Higher dB values indicate better noise immunity.
Return Loss / VSWR	Measures the impedance matching quality at the ports. High return loss (low VSWR) minimizes reflections.
Physical & Operational Characteristics	Power Handling	The maximum RF power (in watts) the balun can handle without performance degradation or damage.
	Isolation	The electrical isolation between ports, often important for preventing unwanted coupling or DC grounding issues.
	Core Material & Construction	Determines frequency response, power handling, and size (e.g., ferrite for HF/VHF, transmission-line for UHF/microwave).
	Package & Footprint	Physical form factor (surface-mount, through-hole, plug-in) and size, critical for PCB layout and integration.
Application-Oriented Features	Bandwidth	The width of the usable frequency range relative to the center frequency. Broadband baluns support wideband applications.
	Unbalanced Port Impedance	Typically 50Ω or 75Ω, matching standard coaxial cable and instrument interfaces.
	Balanced Port Impedance	The resulting impedance on the balanced side (e.g., 50Ω to 100Ω for a 1:1 balun with 50Ω unbalanced input).
	Ruggedness & Environmental	Resilience to temperature, humidity, vibration, and other environmental factors, often per MIL-STD standards.

Company Profile

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Products Details

Home > Products >

Audio Transformer

Impedance Matching Balun Transformer for High Frequency RF Circuits with Common-Mode Noise Suppression

All Category

Impedance Matching Balun Transformer for High Frequency RF Circuits with Common-Mode Noise Suppression

Brand Name:	ZXY
MOQ:	Negotiable
Price:	Negotiable
Packaging Details:	Carton

Detail Information

Product Description

Detail Information

Place of Origin:

Shenzhen Guangdong

Brand Name:

ZXY

Certification:

RoHS、ISO9001、CE

Minimum Order Quantity:

Negotiable

Price:

Negotiable

Packaging Details:

Carton

Delivery Time:

3-4weeks

Supply Ability:

Negotiable

Highlight:

Impedance Matching Balun Transformer

Common-Mode Noise Suppression RF Transformer

High Frequency Range Impedance Matching Transformer

Product Description

Impedance Matching Balun Transformer for Antenna Systems and RF Circuits

Core Functions and Applications

Key Electrical Functions

Balance and Unbalance Conversion: Performs efficient, low-loss interface conversion between balanced transmission lines (such as twisted pair cables and differential pairs) and unbalanced transmission lines (such as coaxial cables and microstrip lines), ensuring correct signal transmission between circuits and devices of different architectures.
Impedance Transformation and Matching: Provides specific impedance transformation ratios through winding turns ratio, solving impedance mismatch problems by accurately matching source impedance to load impedance for maximum power transmission, suppressing signal reflection, and improving voltage standing wave ratio.
Common Mode Noise Suppression: Effectively suppresses common mode interference signals with the same phase and amplitude that are externally coupled to the line, while allowing useful differential signals to pass through, significantly improving system anti-interference capability and signal-to-noise ratio.

Performance Characteristics

Category	Parameter / Feature	Description / Significance
Core Electrical Performance	Impedance Ratio	The fixed transformation ratio (e.g., 1:1, 1:4, 4:1) between the balanced and unbalanced ports, defining the primary matching function.
	Frequency Range	The band of operating frequencies over which the balun maintains specified performance. Critical for application suitability.
	Insertion Loss	The signal power lost (in dB) when passing through the balun. Lower values indicate higher efficiency.
	Amplitude & Phase Balance	Measures the consistency in signal amplitude and phase (180° ideal) between the two balanced outputs. Key for noise rejection.
	Common-Mode Rejection Ratio (CMRR)	The ability to reject common-mode interference on the balanced side. Higher dB values indicate better noise immunity.
Return Loss / VSWR	Measures the impedance matching quality at the ports. High return loss (low VSWR) minimizes reflections.
Physical & Operational Characteristics	Power Handling	The maximum RF power (in watts) the balun can handle without performance degradation or damage.
	Isolation	The electrical isolation between ports, often important for preventing unwanted coupling or DC grounding issues.
	Core Material & Construction	Determines frequency response, power handling, and size (e.g., ferrite for HF/VHF, transmission-line for UHF/microwave).
	Package & Footprint	Physical form factor (surface-mount, through-hole, plug-in) and size, critical for PCB layout and integration.
Application-Oriented Features	Bandwidth	The width of the usable frequency range relative to the center frequency. Broadband baluns support wideband applications.
	Unbalanced Port Impedance	Typically 50Ω or 75Ω, matching standard coaxial cable and instrument interfaces.
	Balanced Port Impedance	The resulting impedance on the balanced side (e.g., 50Ω to 100Ω for a 1:1 balun with 50Ω unbalanced input).
	Ruggedness & Environmental	Resilience to temperature, humidity, vibration, and other environmental factors, often per MIL-STD standards.

Company Profile

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Permalloy Audio Transformer

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High Frequency Transformer

Inductor

Wireless Charging Coil

EMI Filter

Air Coil

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Common Mode Inductor

Current Transformer

Toroidal Transformer

Low Frequency Transformer

Lan Transformer

Chip Inductor

Impedance Matching Balun Transformer for High Frequency RF Circuits with Common-Mode Noise Suppression

Impedance Matching Balun Transformer

Common-Mode Noise Suppression RF Transformer

High Frequency Range Impedance Matching Transformer

Customized Small Audio Transformer

High-Fidelity Audio Transformer

Audio Transformer Custom

Products Details

Audio Transformer

Permalloy Audio Transformer

Audio Isolator

Power Transformer

High Frequency Transformer

Inductor

Wireless Charging Coil

EMI Filter

Air Coil

Line Filter

Common Mode Inductor

Current Transformer

Toroidal Transformer

Low Frequency Transformer

Lan Transformer

Chip Inductor

Impedance Matching Balun Transformer for High Frequency RF Circuits with Common-Mode Noise Suppression

Impedance Matching Balun Transformer

Common-Mode Noise Suppression RF Transformer

High Frequency Range Impedance Matching Transformer

Customized Small Audio Transformer

High-Fidelity Audio Transformer

Audio Transformer Custom