Digital Attenuator

Engineered to precisely control signal amplitude, digital attenuators are essential components in RF systems requiring programmable or automated signal level adjustment. By allowing digital step control of attenuation, they offer superior accuracy, repeatability, and integration flexibility compared to fixed or manually adjustable attenuators.

Digital Attenuators by MCV

MCV digital attenuators are built for high-performance operation across a wide frequency range, delivering fine attenuation resolution, low insertion loss, and fast switching speeds. Available in various bit configurations and control interfaces, they are ideal for applications such as signal conditioning, automated test systems, and dynamic gain control in communication networks. Housed in robust, compact packages, MCV digital attenuators are designed to withstand demanding environments in telecommunications, aerospace, defense, and instrumentation systems.

  • Wideband – Covers 600 to 6000 MHz
  • Attenuation Values from 3 to 40 dB
  • Low PIM Device, -160 dBc
  • Weatherization to IP-67
  • IBWave Supported

Connector Options Available

  • 3-10.0 Female (Add -43F to Model Number)
  • 3-10.0 Male (Add -43M to Model Number)
  • 7/16 DIN Female (Add -DF to Model Number)
  • 7/16 DIN Male (Add -DM to Model Number)

Outline Drawing AT Series Attenuators

FAQ about digital attenuators

What is a digital attenuator and how does it work?

A digital attenuator is an RF component that reduces signal strength in discrete steps, controlled electronically through digital inputs (e.g., SPI, parallel, or I²C interfaces). It allows programmable control of signal levels without manual intervention, making it ideal for dynamic or automated systems.

What are the typical applications of a digital attenuator?

Digital attenuators are commonly used in automated test setups, wireless communication systems, signal conditioning, and gain control loops in RF front ends. Their precision and programmability make them ideal for systems that require repeatable and variable signal adjustment.

What attenuation ranges and step sizes are available?

MCV digital attenuators offer a variety of configurations, including attenuation ranges from 0 to 31.5 dB or more, with step sizes as fine as 0.25 dB. The available range depends on the specific bit resolution (e.g., 5-bit, 6-bit, etc.).

How do digital attenuators compare to fixed or manual attenuators?

Digital attenuators provide electronically programmable control, offering greater flexibility and automation compared to fixed or mechanical options. They are ideal for environments where remote or frequent signal adjustment is required without physical access.

Are MCV digital attenuators suitable for harsh environments?

Yes. MCV digital attenuators are built with ruggedized enclosures and are engineered for reliability in demanding applications such as aerospace, defense, and industrial systems. They maintain stable performance across wide temperature ranges and high-frequency operation.

How can I order digital attenuator from MCV Microwave?

To place an order for digital attenuator please contact us and we will help you!