Amplifier Research

Amplifier Research 75A400

10KHz - 400MHz Amplifier
DC to 400 MHz Frequency Range
75 Watts minimum continuous average Output Power
50 dB minimum Gain
0 dBm (1 mW) maximum Input Power for Rated Output
2.5:1 maximum Output VSWR
Attribute Value
Frequency Range DC to 400 MHz
Output Power 75 Watts minimum continuous average
Gain 50 dB minimum
Input Power for Rated Output 0 dBm (1 mW) maximum
Output VSWR 2.5:1 maximum
Input VSWR 2.0:1 maximum
Noise Figure 12 dB typical
Harmonic Distortion -10 dBc typical at rated output
Power Requirements 220 VAC, single phase, 50/60 Hz
Cooling Method Forced air cooling
Calibration Form Amplifier Research 75A400

Repair Form Amplifier Research 75A400
Maximum file size: 40MB

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Model75A400

The Amplifier Research 75A400 is a portable, self-contained, air-cooled broadband amplifier offering 75 watts of swept RF output power. Featuring push-pull MOSFET circuitry, it ensures low distortion, enhanced stability, and safe operation into any load impedance. Equipped with RF Gain Control and a digital display, the 75A400 provides precise operation status and fault indication.

Ideal for RF susceptibility testing, antenna and component testing, Watt-meter calibration, and as a driver for higher power amplifiers, this unit integrates a high-efficiency autoranging AC power supply. Its local and remote control capabilities via IEEE-488 (GPIB) and RS-232 ensure flexible use in demanding labs.

Testwall can supply the used Amplifier Research 75A400, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Amplifier Research 75A400.

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