N Unidirectional Attenuator
N Unidirectional Attenuators are high-power RF and microwave components designed to provide controlled signal attenuation in a specific signal flow direction while maintaining excellent impedance matching and low VSWR. These attenuators are widely used in RF transmission systems, high-power amplifiers, radar systems, satellite communication, defense electronics, telecommunications, broadcasting, and microwave test equipment where reliable power dissipation and directional installation are required. Supporting frequencies from DC to 18 GHz, N Unidirectional Attenuators deliver stable attenuation, excellent return loss, and superior thermal performance for demanding RF applications.
At SRFS Teleinfra, we manufacture premium-quality N Unidirectional Attenuators using precision resistive networks, high-quality Type N connectors, advanced heat dissipation technology, and precision CNC machining. Our attenuators provide accurate attenuation values, excellent electrical stability, and long service life even under continuous high-power operation.
All our N Unidirectional Attenuators are manufactured in India under stringent quality control procedures. Every attenuator undergoes comprehensive electrical, thermal, and mechanical testing to ensure reliable RF performance, attenuation accuracy, and durability in mission-critical RF and microwave systems.
What is an N Unidirectional Attenuator?
An N Unidirectional Attenuator is a passive RF device designed to reduce signal power by a fixed attenuation value when installed in the specified direction of signal flow. It maintains a constant 50 Ohm impedance, minimizes signal reflections, protects sensitive RF equipment, and ensures efficient power handling in high-frequency systems. RF attenuators are commonly used for signal conditioning, equipment protection, impedance matching, and calibration.
The threaded Type N connector offers excellent mechanical strength, weather resistance, and secure RF connections, making these attenuators suitable for both indoor and outdoor installations.
Types of N Unidirectional Attenuators
Fixed N Unidirectional Attenuator
Provides a constant attenuation value for precise RF signal control.
High Power N Unidirectional Attenuator
Designed to dissipate high RF power while maintaining stable attenuation characteristics.
Precision N Unidirectional Attenuator
Manufactured with tight tolerance resistor networks for laboratory-grade performance.
Air-Cooled N Unidirectional Attenuator
Designed for continuous high-power applications requiring efficient heat dissipation.
Custom N Unidirectional Attenuator
Available with customized attenuation values, connector configurations, power ratings, and mechanical designs.
Technical Specifications
Our N Unidirectional Attenuators are engineered to meet demanding RF and microwave performance requirements.
Impedance
Standard 50 Ohm impedance for precise impedance matching.
Frequency Range
Supports frequencies from DC to 18 GHz, depending on the model.
Attenuation Values
Available in:
- 1 dB
- 2 dB
- 3 dB
- 5 dB
- 6 dB
- 10 dB
- 20 dB
- 30 dB
- 40 dB
- 50 dB
- 60 dB
- Custom Values
Power Rating
Available from 10 Watts to 500 Watts depending on customer requirements and application.
VSWR
Low VSWR for excellent return loss and minimal signal reflection.
Connector Interface
Precision Type N Male and Female connectors with threaded coupling.
Materials
Manufactured using stainless steel, brass, gold-plated beryllium copper contacts, PTFE dielectric, and precision resistor elements.
Cooling
Available in natural convection and forced-air cooled configurations for high-power applications.
Applications of N Unidirectional Attenuators
Our N Unidirectional Attenuators are widely used in:
- High-power RF transmitters
- Telecom base stations
- 4G & 5G infrastructure
- Radar systems
- Aerospace communication
- Defense electronics
- Satellite communication
- RF power amplifiers
- Broadcasting systems
- Microwave communication
- RF production testing
- Test & measurement equipment
- Industrial RF systems
- RF calibration laboratories
- Antenna testing
Key Performance Factors
Selecting the right N Unidirectional Attenuator ensures accurate RF signal control and dependable microwave performance.
- Precision 50 Ohm impedance
- Frequency support up to 18 GHz
- Accurate attenuation values
- High-power handling capability
- Low VSWR
- Excellent return loss
- Superior heat dissipation
- Rugged construction
- Threaded Type N connectors
- Precision CNC machining
- Long operational life
- Reliable continuous-duty performance
High-quality N Unidirectional Attenuators improve RF system reliability, protect sensitive equipment, reduce signal reflections, and provide stable attenuation in telecom, aerospace, defense, broadcasting, radar, satellite communication, and industrial microwave systems.
RF Dummy Load & Termination Specifications
| Product Type | Impedance | Frequency Range | Application |
|---|---|---|---|
| N Fixed Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | RF Signal Attenuation |
| N High Power Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | High Power RF Systems |
| N Precision Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | Vector Network Analyzer (VNA) |
| N Air-Cooled Attenuator | 50 Ohm | DC to 18 GHz | Continuous RF Operation |
| N 3 dB Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | Signal Level Control |
| N 10 dB Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | RF Test Equipment |
| N 20 dB Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | RF Calibration |
| N 40 dB Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | Microwave Communication |
| N 100W Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | Telecom Base Stations |
| N 500W Unidirectional Attenuator | 50 Ohm | DC to 18 GHz | Radar & Defense Systems |
Why Choose us
Precision RF Engineering
Our N Unidirectional Attenuators are engineered for highly accurate attenuation, stable RF performance, and dependable operation in demanding microwave applications.
Excellent Electrical Performance
Designed with low VSWR, excellent return loss, and stable attenuation to maximize RF system efficiency.
High-Power Capability
Available in multiple power ratings and cooling configurations for continuous operation in high-power RF environments.
Manufactured in India
All our N Unidirectional Attenuators are manufactured in India using premium raw materials, advanced CNC machining, and comprehensive quality testing to ensure reliable long-term performance.
Frequently Asked Questions
An N Unidirectional Attenuator is a passive RF component that provides fixed signal attenuation when installed in the specified signal flow direction while maintaining a 50 Ohm impedance.
Most models support frequencies from DC to 18 GHz.
Standard attenuation values include 1 dB, 2 dB, 3 dB, 5 dB, 6 dB, 10 dB, 20 dB, 30 dB, 40 dB, 50 dB, and 60 dB.
They are manufactured with a standard 50 Ohm impedance.
Power ratings range from 10 Watts to 500 Watts, depending on the application.
They are widely used in telecom infrastructure, RF transmitters, radar systems, satellite communication, aerospace, defense, broadcasting, and RF testing laboratories.
Yes. SRFS Teleinfra manufactures customized N Unidirectional Attenuators with specific attenuation values, power ratings, cooling methods, and connector configurations.
Yes. They are specifically designed for continuous high-power RF and microwave applications.
Yes. All our N Unidirectional Attenuators are manufactured in India using premium materials, precision engineering, and stringent quality control.
SRFS Teleinfra provides precision-engineered N Unidirectional Attenuators with outstanding RF performance, customized solutions, competitive pricing, fast delivery, and expert technical support.