Spectrum Control

Spectrum Control offers the world’s most comprehensive product portfolio for controlling the electromagnetic spectrum in mission-critical military, defense and security applications.

The company’s range of solutions includes active and passive components, EMI protection, integrated assemblies, subsystems, RF+Digital blocks, power distribution systems and optical transceivers. With over 70 years of experience, Spectrum Control leverages its design and manufacturing prowess to create leading-edge products that leverage state-of-the-art analog and digital technology, protecting the warfighter in the world’s harshest and most challenging environments.

RF+Digital Blocks

Spectrum Control’s RF+Digital Blocks are composable subsystem architectures that allow mission-specific solutions to be assembled from standardized, interoperable modules. This approach reduces integration effort while maintaining flexibility and upgradeability, supporting both legacy platforms and next-generation systems.

The architecture delivers industry-leading miniaturization with faster time to deployment, lower integration risk, and reduced non-recurring engineering and program costs. RF+Digital Blocks also simplify upgrades over the system lifecycle and provide greater flexibility as mission requirements evolve.

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RF Conditioning & Distribution

Spectrum Control’s Weinschel brand RF conditioning and distribution products offer high linearity, reliable attenuation, low insertion loss, and repeatable results, and are ideal for design validation as well as laboratory simulation and testing of critical systems. The product range includes:

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Power Distribution

Spectrum Control’s industry-leading AC and DC power distribution units (PDUs) have been purpose-built to withstand the rigors of demanding aerospace and defense applications, providing ultra-reliable power output and operation under the harshest environmental conditions.

The MIL-STD-810H and MIL-STD-461G-rated PDUs enable users to configure individual ports and securely control and monitor all peripherals, and allow DHCP or Static IPv4 addressing over a Gigabit Ethernet physical layer.

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EMI Protection

Spectrum Control offers a wide range of filtering products designed to mitigate the effects of electromagnetic interference (EMI) and radio-frequency interference (RFI), providing robust protection for military and defense systems operating in the air, at sea and on land. The product portfolio includes:

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RF/Microwave Components

Spectrum Control is a leading provider of active and passive RF components for mission-critical applications. These include standard and custom RF filters (lumped element, tubular, cavity, ceramic, waveguide, suspended substrate, SAW, and printed filters), amplifiers (low noise, superior low phase noise, ultra high linearity), and Inmet/Weinschel resistives (attenuators, resistors, terminations, dividers, phase shifters, and gain equalizers).

Fixed Attenuators for Cryogenic Applications

Spectrum Control’s cryogenic attenuators and terminations maintain reliable RF performance at temperatures down to 4 mK and operation up to 40 GHz. They’re ideal for quantum and aerospace applications, built to MIL‑PRF‑38534 Class K standards.

Q-Band Gain Equalizers

These precision equalizers flatten frequency response up to 50 GHz (DC) with various slope profiles. Fixed and adjustable models suit both broadband and narrowband RF systems.

RF Amplifiers

Spectrum Control’s RF amplifiers, including ultra-low-noise options, are built for rugged military and space applications. Over 1,000 models offer stable, low-phase-noise performance across critical RF systems.

More information: RF Components