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RF Preamplifiers | Switches | Directional Couplers

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RF preamplifiers are used during electromagnetic compatibility (EMC) testing to weaken the effects of RF interference and noise by amplifying weak electric signals captured by antennas. While testing for electromagnetic interference (EMI), a preamplifier should be placed as close as possible to the antenna to reduce feed line losses. Active antenna positioning is typically used in microwave systems due to coaxial cables experiencing high loss at microwave frequencies.

RF switches are used to complete RF switch and control tasks. They allow for seamless switching between signal paths.

RF directional couplers are placed between an RF amplifier and antenna or probe to allow for an RF power sensor to monitor the amount of power throughput. The power sensor is also able to establish if the measurements are accurate from the monitor or sensing probe and spectrum analyzer. This makes RF directional couplers an essential tool in radiated immunity test systems.

Avalon Test Equipment carries a variety of RF preamplifiers, switches, and directional couplers from top manufacturers (Keysight, Com-Power, and more) to meet your testing requirements. Rent or purchase from Avalon and Test With Confidence®.

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PAL-010 Preamplifier

Com-Power PAL-010 Preamplifier

Com-Power PAM-103 Preamplifier

The Com-Power model PAM-103 Preamplifier (1MHz to 1GHz) is intended for improving measurement system sensitivity during EMC compliance testing.

PAM-118A Preamplifier

The Com-Power PAM-118A is a wideband (500MHz to 18GHz), high gain, bench top microwave preamplifier.

A.H. Systems PAM-0118P Preamplifier

This high gain preamplifier has a rugged perfomance over a wide operating frequency range. The added protection of the one watt limiter is an ideal solution when testing in high fields, 20MHz to 18GHz

PAM-1840 High Frequency Broadband Preamplifier

A.H. Systems PAM-1840 High Frequency Broadband Preamplifier, 18 - 40GHz

Teseq LNA 6000 Preamplifier

The Teseq LNA 6000 is a low noise amplifier with 12.5 dB of gain covering the nominal frequency range 1 MHz to 3 GHz and can be used in the range from 200 kHz to 4 GHz. With its high gain and low noise figure, it will significantly increase the sensitivity of virtually all spectrum analyzers and other RF measuring instruments.

A.H. Systems PAM-1840VH High Gain Broadband Preamplifier

18 - 40 GHz. The Preamplifier will provide reliable, repeatable measurements. An ideal solution to improve system sensitivity for compliance testing.

Com-Power PAM-840A Preamplifier

The Com-Power PAM-840A is a wideband, high gain, bench top microwave preamplifier; 18GHz to 40GHz.

A.H. Systems PAM-0204 Preamplifier

20 MHz - 4 GHz, 24 dB. Will improve overall system sensitivity. Designed to meet the needs of your various testing requirements.

A.H. Systems PAM-0202 Preamplifier

With at least 30dB of gain, this preamplifier will improve overall system sensitivity, 20MHz to 2GHz

IFI CDD1G Directional Coupler

10 kHz - 1000 MHz, 100 W

Teseq ITS 6006B Test System

The ITS 6006 consist of an integrated RF signal generator, RF switch and EUT monitoring interfaces. The unit is designed for various radiated EMC applications in the 80 MHz to 6 GHz frequency range. In addition to the generator, the system includes the AM and PM modulators necessary for EMC testing. The second generation, called ITS 6006B, includes 3 freely configurable pulse modulators (1 µs to 200 s) for radar pulse profiles as required e.g. by Ford FMC1278 or VW TL81000. The RF signal can be switched to one of four outputs, where up to four power amplifiers can be connected directly. Two RF switches are supplied for combining four amplifier into two antenna paths.