Editorial Technical Reference

Power Divider

This page explains how Power Divider is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A passive microwave component that divides input power into multiple output ports with specific amplitude and phase relationships.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Power Divider

Definition
Within a Feed Network system, the Power Divider is a critical component that takes a single input signal and distributes it to multiple output ports, enabling simultaneous feeding of multiple antenna elements or subsystems while maintaining controlled power distribution ratios and phase characteristics essential for beamforming and signal routing applications. This directory entry covers passive power dividers used in RF and microwave systems, typically in communication and radar bands. The component operates based on transmission line theory and electromagnetic field distribution, using designs such as Wilkinson, T-junction, or hybrid couplers to split input power while maintaining port isolation and impedance matching to minimize signal reflection and loss. Typical materials include copper, aluminum, and PTFE substrate. Key parameters listed are frequency range (0.5–18 GHz), insertion loss (≤0.5 dB), isolation (≥20 dB), amplitude balance (±0.3 dB), phase balance (±3°), VSWR (≤1.3), power handling (10–100 W), impedance (50 Ω, with 75 Ω available on request), connector type (SMA, with N, TNC, 2.92 mm optional), operating temperature (-40–85 °C, extended range -55–125 available), humidity (0–95 %RH non-condensing), IP rating (IP65 per IEC 60529), and weight (50–200 g). These values are reference ranges for typical models; actual specifications must be confirmed with the manufacturer for the specific model and application. The product is a component, not a complete system, and requires integration into a feed network. Selection inputs include frequency band, power level, number of output ports, connector type, and environmental conditions. Verification questions should address the required frequency range, insertion loss, isolation, amplitude and phase balance, VSWR, power handling, impedance, connector type, operating temperature, humidity, IP rating, and weight. Maintenance signals include increased insertion loss, degraded isolation, or amplitude/phase imbalance, which may indicate connector wear, substrate damage, or internal component failure. Failure boundaries are defined by the specified electrical and environmental limits; exceeding these can cause permanent damage. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The power divider splits an input signal into multiple outputs with controlled amplitude and phase. It uses transmission line sections and impedance transformers to match the input to the outputs, ensuring minimal reflection. Wilkinson dividers use isolation resistors to improve port isolation, while T-junction dividers are simpler but offer less isolation. Hybrid couplers provide specific phase relationships. The design ensures that the sum of output powers equals the input power minus losses, and that each output port is matched to the system impedance.
Common Materials
Copper, Aluminum, PTFE substrate
Technical Parameters
ParameterTypical rangeNotes & selection driver
Frequency Range0.5–18 GHzCovers most communication and radar bands
Insertion Loss≤0.5 dBAbove 0.5 dB reduces system efficiency
Isolation≥20 dBBelow 20 dB causes port coupling
Amplitude Balance±0.3 dBTighter balance for phased arrays
Phase Balance±3 °Critical for beamforming
VSWR≤1.3Higher VSWR causes reflections
Power Handling10–100 WAverage power, derate at high temp
Impedance50 Ω75 Ω available on request
Connector TypeSMAN, TNC, 2.92 mm optional
Operating Temperature-40–85 °CExtended range -55–125 available
Humidity0–95 %RHNon-condensing
IP RatingIP65Dust-tight and water-jet protectedIEC 60529
Weight50–200 gDepends on connector and housing

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Input Port Connector Part
    Receives input signal from source
    Material: Brass with gold plating
  • Output Port Connectors Part
    Delivers divided signals to downstream components
    Material: Brass with gold plating
  • Transmission Line Network
    Distributes electromagnetic energy between ports
    Material: Copper microstrip on PTFE substrate
  • Isolation Resistor Part
    Improves port isolation in Wilkinson designs
    Material: Thin-film resistor
  • Housing Part
    Provides mechanical protection and shielding
    Material: Aluminum alloy
  • Impedance Transformers
    Line sections that match the input to the outputs so reflections stay minimal.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Power Divider.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
humidity: 95% RH non-condensing
pressure: Atmospheric to 2 atm (sealed units), N/A for standard units
vibration: 10-2000 Hz, 20g (MIL-STD-202)
temperature: -40°C to +85°C (operational), -55°C to +125°C (storage)
power handling: Up to 100W average, 3kW peak (depends on frequency and configuration)
frequency range: DC to 40 GHz (varies by model)
Media Compatibility
✓ Clean dry air/nitrogen environments ✓ Vacuum systems ✓ Controlled laboratory conditions
Unsuitable: High moisture/condensing environments without proper hermetic sealing
Sizing Data Required
  • Operating frequency range (GHz/MHz)
  • Number of output ports required
  • Required power division ratio (equal/unequal split)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing wear and seizure
Cause: Inadequate lubrication, contamination ingress, or misalignment leading to excessive friction and overheating
Gear tooth pitting and fatigue
Cause: Cyclic overloading, improper meshing, or material defects causing surface degradation and eventual fracture
Maintenance Indicators
  • Unusual grinding or whining noise during operation
  • Excessive vibration or heat emanating from the housing
Engineering Tips
  • Implement precision alignment during installation and periodic realignment checks
  • Establish a rigorous lubrication schedule with contamination control and oil analysis

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/ASME B46.1-2019 - Surface Texture DIN EN 60529 - Degrees of protection provided by enclosures (IP Code)

Quoted from the published standard.

Manufacturing Precision
  • Insertion Loss: +/-0.5 dB
  • Isolation: +/-3 dB
Quality Inspection
  • VSWR (Voltage Standing Wave Ratio) Test
  • Phase Balance Test

Manufacturers of Power Divider

8 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Comba Telecom Systems Holdings
Hong Kong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Sichuan RFTYT Technology Co., Ltd.
Sichuan, CN
Founded 20061200 square meters
ISO 9001:2015 ISO14004:2004 GB/T28001-2011 GJB 9001C-2017 +1
Listed on the company's own website · profile compiled by CNFX from public sources
Advanced Microwave Technologies Co., Ltd
Shaanxi, CN
Also makes: Waveguide Array, Active Device, Feed Network and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Apex Microwave Co., Ltd.
Sichuan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Chengdu Concept Microwave Technology Co., Ltd.
Chengdu, Sichuan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Chengdu Leader Microwave Technology Co., Ltd.
Sichuan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hefei Topwave Telecom Co., Ltd.
Anhui, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Qualwave Inc.
Chengdu, Sichuan, CN
Also makes: Calibration Kit, Rotary Joints, Phase Shifter and 4 more
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
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Frequently Asked Questions

What is the typical frequency range of this power divider?

The listed frequency range is 0.5–18 GHz, covering most communication and radar bands. However, the actual range depends on the specific model and design, so confirm with the manufacturer.

What is the insertion loss and why does it matter?

Insertion loss is typically ≤0.5 dB. Higher loss reduces system efficiency, so it is important to select a divider with acceptable loss for your application.

Can I use this power divider with a 75-ohm system?

The standard impedance is 50 ohms, but 75-ohm versions are available on request. You must specify the required impedance when ordering.

What environmental conditions can this component withstand?

The operating temperature range is -40 to 85 °C, with an extended range of -55 to 125 °C available. Humidity tolerance is 0–95% RH non-condensing, and the IP rating is IP65 per IEC 60529. Always verify these limits for your specific model.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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