Low PIM Terminations

Engineered to minimize passive intermodulation (PIM), low PIM terminations are critical components in maintaining signal purity and integrity in modern RF systems. By providing a matched load to unused ports or open circuits, these terminations help prevent signal reflections and intermodulation interference, ensuring optimal system performance in PIM-sensitive environments.

Low PIM Termination by MCV

MCV low PIM terminations are designed with high precision and rugged construction to deliver exceptional electrical performance with ultra-low intermodulation distortion. Available in a range of connector types including 7/16 DIN, N-Type, and 4.3-10, our terminations support high-power handling and are ideal for DAS, wireless infrastructure, test setups, and other high-performance RF applications. Built to withstand demanding conditions, MCV low PIM terminations offer long-lasting reliability in both indoor and outdoor installations where signal clarity is paramount.

Low PIM Terminations
  • Broadband – Covers 600 to 6000 MHz
  • Power Levels from 10 to 200W
  • Low PIM Design to -160 dBc
  • IBWave Supported
MCV Model Number TM10 TM50 TM100 TM200
Electrical
Frequency (MHz) 600 - 6000
Power Rating (W) 10 50 100 200
Return Loss / VSWR 18 dB / ≤1.30
PIM (dBc) ≤-160(43dBm*2) except 10-Watt Version, ≤-160(37dBm*2)
Impedance(Ω) 50
Mechanical Specifications
Connector Type See Below
Dimension(mm) φ40×112 (φ1.57×4.41in) φ52×192 (φ2.05×7.56in) 190×100×60 (7.48×3.94×2.36in) 174×140×65 (6.85×5.51×2.56in)
Weight(kg) 0.45 0.95 2.1 2.5
Environmental Specifications
IP Class IP67(Outdoor)
Finish Grey
Temp. Range (℃) -25 ~ +65
Humidity ≤95%

Connector Options Available

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

Outline Drawing TM10-xx

Outline Drawing AT Series Attenuators

Outline Drawing TM50-xx

Outline Drawing AT Series Attenuators

Outline Drawing TM100-xx

Outline Drawing AT Series Attenuators

Outline Drawing TM200-xx

FAQ about Low PIM Terminations

What is a Low PIM termination?

A Low PIM termination is a passive RF component designed to absorb RF power without generating significant passive intermodulation (PIM) distortion. It provides a matched load to the system while maintaining high linearity and low distortion levels.

What does PIM mean in RF systems?

Passive Intermodulation (PIM) is the unwanted mixing of multiple RF signals caused by nonlinearities in passive components such as connectors, cables, or terminations. These nonlinearities generate additional frequency components (intermodulation products) that can interfere with system performance.

Why are Low PIM terminations important?

Low PIM terminations are crucial in cellular, DAS (Distributed Antenna Systems), and 5G networks where multiple high-power carriers operate simultaneously. They prevent intermodulation distortion that can reduce signal quality and increase noise in receivers.

How is PIM measured in a termination?

PIM is typically measured in dBc (decibels relative to carrier power). A two-tone test is performed (e.g., two 20 W carriers at 900 MHz), and the resulting intermodulation products (like the 3rd order tone) are measured. Common ratings are −150 dBc or better for low PIM terminations.

What materials are used in Low PIM terminations?

Low PIM terminations are built with high-quality, non-ferromagnetic materials such as brass, copper, and silver plating. Stainless steel or nickel—which can create magnetic nonlinearities—are generally avoided.

What frequency ranges do Low PIM terminations cover?

They are available across a wide frequency range, typically from DC to 6 GHz or even up to 40 GHz, depending on the application (e.g., cellular, Wi-Fi, or satellite communications).

What power ratings are available for Low PIM terminations?

They can handle a wide range of power levels:

  • Low-power terminations: up to 5 W

  • Medium-power terminations: 10–100 W

  • High-power terminations: up to several hundred watts

The power rating depends on cooling, frequency, and connector type.

How does a Low PIM termination differ from a standard RF termination?

While both provide a matched load to absorb RF power, Low PIM terminations are specifically engineered to minimize nonlinear contact points and suppress intermodulation distortion, making them suitable for sensitive, multi-carrier systems.

What are the typical applications of Low PIM terminations?

They are used in:

  • Cellular base stations (2G–5G)

  • DAS and small cell systems

  • RF testing and PIM test setups

  • Antenna and component validation

  • Multi-carrier transmit systems

How can I maintain Low PIM performance in the field?

To preserve low PIM performance:

  • Keep connectors clean and properly torqued

  • Avoid scratches, dust, or corrosion

  • Use only Low PIM rated adapters and cables

  • Periodically test PIM performance during maintenance

What connector types are available for Low PIM terminations?

Common connector types include 7/16 DIN, N-Type, and 4.3-10, all designed to minimize PIM generation and provide robust, high-power connections.

Can Low PIM terminations handle high power?

Yes, many Low PIM terminations are designed to handle high RF power levels, often in the range of tens to hundreds of watts, depending on the model and application requirements.

How can I order Low PIM termination from MCV Microwave?

To place an order for Low PIM termination or any other passive products please contact us and we will help you!