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Waveguide Fixed Attenuator

Waveguide fixed attenuators are essential components in microwave systems, designed to reduce signal power uniformly without affecting its waveform. They provide precise attenuation for signal control in various applications, including telecommunications, radar systems, and electronic testing, ensuring optimal system performance and reliability.

Dolph Microwave presents its line of Waveguide Fixed Attenuators, crafted to meet the stringent requirements of signal power reduction in microwave systems without altering the signal’s waveform. These attenuators are indispensable tools in the arsenal of engineers working across a variety of sectors, designed to provide precise control over signal levels, ensuring both the integrity and efficiency of communication and radar systems.

Key Features

  1. Wide Waveguide Size Range: From WR2300 to WR10, accommodating a vast array of system requirements.
  2. Attenuation Levels: Offers options including 10, 20, 30, 40 dB, among others, for tailored signal control.
  3. Material Construction: Crafted from Aluminum (Al) and Copper (Cu), ensuring durability and optimal performance.
  4. Power Handling Capability: Ranges from Low to Ultra High, suitable for different operational demands.
  5. Flange Types: Includes Cover, Grooved, and Choke, offering flexibility in system integration.
  6. Fixed and Variable Types: Provides versatility for static or adjustable attenuation needs.
  7. Customization Availability: Both standard configurations and customized solutions are available to meet specific application requirements.

Applications

Dolph Microwave’s Waveguide Fixed Attenuators are pivotal in various settings, including:

  • Telecommunications: For managing signal strength in communication links.
  • Radar Systems: In controlling radar signal levels to prevent receiver overload.
  • Electronic Testing: As a tool for signal level management in test and measurement setups.
  • Satellite Communications: To ensure optimal signal levels for clear, reliable satellite links.
  • Research and Development: Offering precise signal attenuation for experimental setups and prototypes.

Product Specification Example

Here’s an example specification table for a typical Waveguide Fixed Attenuator by Dolph Microwave:

FeatureSpecification
Waveguide SizeWR2300 to WR10
Attenuation10, 20, 30, 40 dB
MaterialAluminum (Al), Copper (Cu)
Power HandlingLow to Ultra High
Flange TypeCover, Grooved, Choke

Dolph Microwave’s Waveguide Fixed Attenuators are engineered for precision, reliability, and versatility. They cater to a wide range of power levels and system configurations, making them suitable for a broad spectrum of applications. With options for both standard and custom mechanical configurations, these attenuators are designed to meet the exact needs of our clients.

For those looking to integrate or upgrade their microwave systems, Dolph Microwave provides an unmatched selection of waveguide attenuators, backed by expert design and manufacturing capabilities. Our commitment to quality ensures that each attenuator delivers consistent performance, enhancing the efficiency and reliability of your microwave communication and testing systems.

For further information or to discuss your specific needs, we invite you to reach out to our team. Dolph Microwave is dedicated to providing solutions that not only meet but exceed the expectations of our clients, ensuring your projects benefit from the highest level of technical expertise and product quality.

MODEL FREQ. RANGE (GHz) WG SIZE VSWR Max. ATT. (dB) FREQ. RESPONSE (dB) AVG POWER CW (KW) FLANGES TYPE MATERIAL FINISH DATASHEET
COVER GROOVED
DH-12WFA… 0.96-1.46 WR770 1.15:1 3-40 ±1.0 100~3000 UDR12 PDR12 Al Chromate/Painted DWG STEP
DH-14WFA… 1.13-1.73 WR650 1.15:1 3-40 ±1.0 100~3000 UDR14 PDR14 Al Chromate/Painted DWG STEP
DH-18WFA… 1.45-2.2 WR510 1.15:1 3-40 ±1.0 100~3000 UDR18 PDR18 Al Chromate/Painted DWG STEP
DH-22WFA… 1.72-2.61 WR430 1.15:1 3-40 ±1.0 100~3000 UDR22 PDR22 Al Chromate/Painted DWG STEP
DH-26WFA… 2.17-3.3 WR340 1.15:1 3-40 ±1.0 100~3000 UDR26 PDR26 Al Chromate/Painted DWG STEP
DH-32WFA… 2.6-3.95 WR284 1.15:1 3-40 ±1.0 100~3000 UDR32 PDR32 Al Chromate/Painted DWG STEP
DH-40WFA… 3.22-4.9 WR229 1.15:1 3-40 ±1.0 100~3000 UDR40 PDR40 Al Chromate/Painted DWG STEP
DH-48WFA… 3.94-5.99 WR187 1.15:1 3-40 ±1.0 100~3000 UDR48 PDR348 Al Chromate/Painted DWG STEP
DH-58WFA… 4.64-7.05 WR159 1.15:1 3-40 ±1.0 100~2000 UDR58 PDR58 Al Chromate/Painted DWG STEP
DH-70WFA… 5.38-8.17 WR137 1.15:1 3-40 ±1.0 100~2000 UDR70 PDR70 Al Chromate/Painted DWG STEP
DH-84WFA… 6.57-9.99 WR112 1.15:1 3-40 ±1.0 100~2000 UDR84/UBR84 PDR84/PBR84 Al Chromate/Painted DWG STEP
DH-100WFA… 8.2-12.5 WR90 1.15:1 3-40 ±1.0 100~2000 UDR100/UBR100 PDR100/PBR100 Al Chromate/Painted DWG STEP
DH-120WFA… 9.84-15.0 WR90 1.15:1 3-40 ±1.0 100~1000 UDR100/UBR100 PDR100/PBR100 Al Chromate/Painted DWG STEP
DH-140WFA… 11.9-18 WR62 1.15:1 3-40 ±1.0 100~1000 UBR140 PBR140 Al Chromate/Painted DWG STEP
DH-180WFA… 14.5-22 WR51 1.15:1 3-40 ±1.0 100~1000 UBR180 PBR180 Al Chromate/Painted DWG STEP
DH-220WFA… 17.6-26.7 WR42 1.15:1 3-40 ±1.0 100~1000 UBR220 PBR220 Al Chromate/Painted DWG STEP
DH-260WFA… 21.7-33 WR34 1.15:1 3-40 ±1.0 100~500 UBR260 PBR260 Al Chromate/Painted DWG STEP
DH-320WFA… 26.3-40 WR28 1.15:1 3-40 ±1.0 100~500 UBR320 PBR320 Al Chromate/Painted DWG STEP
DH-400WFA… 32.9-50.1 WR22 1.15:1 3-40 ±1.0 100~500 FUGP400/UG-383U/M Cu Chromate/Painted DWG STEP
DH-500WFA… 39.2-59.6 WR19 1.15:1 3-40 ±1.0 100~500 FUGP500/UG-383U/M Cu Chromate/Painted DWG STEP
DH-620WFA… 49.8-75.8 WR15 1.15:1 3-40 ±1.0 100~500 FUGP620/UG-385U/M Cu Chromate/Painted DWG STEP
DH-740WFA… 60.5-91.9 WR12 1.15:1 3-40 ±1.0 100~500 FUGP740/UG-387U/M Cu Chromate/Painted DWG STEP
DH-900WFA… 73.8-112 WR10 1.15:1 3-40 ±1.0 100~500 FUGP900/UG-387U/M Cu Chromate/Painted DWG STEP
Part Number Guide: DH-100WFA30PMA100
"100"—Waveguide Size | WR90
"WFA"—Waveguide Type | Precision Fixed Attenuator
"30"— Attenuator Value | 30 dB
"P"— Flange Type | Rectangular Flat
"M"— Flange Type | Rectangular Grooved
"A/C"— Material | Aluminium, Cu
"100"— Power Rating | 100 W CW.
Note:
All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.
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