Skip to main content
Contact Us
Search for topics or resources
Enter your search below and hit enter or click the search icon.
Close Search
RF Measurement
RF Measurement
RF Measurement
RF Sensors
RF Sensors
RF Sensors
50 Ohm Inline Sensors
Non-50 Ohm V-I-Φ RF System
Wideband Sensors
Power Meter Display
Wattmeters
Wattmeters
Wattmeters
Digital Wattmeters
CW Wattmeters
Elements
Line Sections
RF Analyzers
RF Analyzers
RF Analyzers
Cable & Antenna Analyzers
Spectrum Analyzers
RF Analyzer Kits
Remote Monitoring
Remote Monitoring
Remote Monitoring
Ethernet RF Monitoring
Centralized Monitoring (CPM)
Calibration Equipment
Calibration Equipment
Calibration Equipment
Calibration Carts
MRI Calibration
SOLT Standards
RF Equipment
RF Equipment
RF Equipment
Loads
Loads
Loads Product Finder
Attenuators
Attenuators
Attenuators Product Finder
Software
Software
Software Hub & Solutions
Accessories
Accessories
Accessories Product Finder
Solutions
Solutions
Solutions
Semiconductor
Land Mobile Radio
Public Safety
Utilities
Transportation
Military/Government
Medical
View All Industries
Learning Center
Learning Center
Learning Center
RF Training & Certification
Blog
Datasheets
Manuals
White Papers
Discontinued Software
Discontinued Manuals
View All
About
About
About Us
Leadership Team
Careers
Newsroom
Quality Assurance
Compliance
Contact Us
Technical Support
Partners
Service Center
RMA Request
Login
Contact Us

75 Watt RF Attenuators

Bird's 75-A Series RF attenuators provide fixed signal attenuation from DC to 3 GHz in a compact, convection-cooled design. Choose from multiple attenuation values and N-Type connector configurations to meet your RF system requirements.

75-A-Series_75W_Attenuators_lightgrey

Performance at a Glance

75 W Continuous Power

Handles up to 75 W of continuous RF power for RF testing, measurement, and system applications.

Bi-Directional Operation

Supports RF signal flow in either direction, providing flexible placement within test setups and RF systems.

Passive Convection Cooling

Dissipates heat through natural airflow with no fans or additional power required.

Next Step: Review the specifications below, then select the 2 W model that best fits your application.

Technical Specifications at a Glance

Review the specifications common to all 75-A Series attenuators.
Need help with RF terms? See the RF Glossary>

Series Name
Directionality
VSWR
Dimensions
Weight
Detailed Specs
75-A Series View Specs ›
Bi-Directional
1.10:1 (DC to 1 GHz)
1.25:1 (1 to 3 GHz)
7.3 in x 2.3 in Dia.
(186 mm x 59 mm Dia.)
1.6 lb (726 g)
View Specs ›
  Swipe for more  

All 75-A models share the specifications above. Select the model below that matches your attenuation and connector requirements.

75 W Model Configurations

Model Number
Frequency Range
Attenuation
RF Connector
Ordering
75-A-FFN-10 Buy Now
DC to 3 GHz
10 dB
N (f) to N (f)
Buy Now
75-A-FFN-20 Buy Now
DC to 3 GHz
20 dB
N (f) to N (f)
Buy Now
75-A-FFN-30 Buy Now
DC to 3 GHz
30 dB
N (f) to N (f)
Buy Now
75-A-MFN-10 Buy Now
DC to 3 GHz
10 dB
N (m) to N (f)
Buy Now
75-A-MFN-20 Buy Now
DC to 3 GHz
20 dB
N (m) to N (f)
Buy Now
75-A-MFN-30 Buy Now
DC to 3 GHz
30 dB
N (m) to N (f)
Buy Now
  Swipe for more  
← Back To All Attenuators
Need help choosing a 75 W attenuator?

Get Expert Help Selecting the Right Model

If you're deciding between attenuation values, connector configurations, our RF applications engineers can help you determine which 75 W attenuator best fits your system requirements.

attenuator-connected-square