New high-power coaxial limiters designed to assist sensitive components

Pasternack, an Infinite Electronics brand and a leading provider of RF, microwave and millimeter wave products, has expanded its line of broadband, high power coaxial limiters that are designed to help protect sensitive components in the receive chain and other microwave circuits in close proximity to high power signals. The typical applications for these RF limiters include electronic warfare, military communications, instrumentation, fiber optic communication systems, SATCOM, radar, point-to-point wireless, telecom and R&D applications.

Pasternack’s high power RF limiter line now consists of 13 unique models that provide low leakage power to sensitive control components in the receiver chain while offering good suppression of even-order harmonics under hard limiting. These RF limiters operate over a very wide frequency range in bands from 0.2 GHz to 40 GHz and provide low leakage power circuit protection of 10 to 18 dBm. Additionally, they exhibit high CW power handling of up to 200 Watts peak power and a fast recovery time of 10 to 100 nanoseconds.

The 50 Ohm designs use hi-rel assembly processes, incorporate complete limiting diode circuitry, and do not require any external matching components.

The compact package outlines support field replaceable connectors and thru mounting holes and can be drop mounted onto a circuit board. These rugged modules operate over a guaranteed operating temperature range of -54° C to +85° C and are designed to meet MIL-STD-202 environmental conditions for shock, humidity, vibration, altitude and temperature cycle.

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