Amplifier Research 75A400

| 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 |
| Model | 75A400 |
|---|
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.




