Amplifier Research 400A400

| Attribute | Value |
|---|---|
| Frequency Range | 10 kHz – 400 MHz |
| Output Power | 400 Watts CW minimum |
| Gain | minimum 55 dB |
| Input Power for Rated Output | typically less than 10 mW |
| Output VSWR | 3:1 any phase, without damage |
| Noise Figure | less than 15 dB typical |
| Input Impedance | 50 Ohms nominal |
| Output Impedance | 50 Ohms nominal |
| Power Requirements | 220 VAC, single phase, 50/60 Hz, 3000 VA |
| Cooling | Forced air, internal blower |
Amplifier Research 400A400 Options:
- 400A400 - 400A400 - Type N female RF input (front), Type N female RF output (front)
- 400A400 - 400A400M1 - Type N female RF input (rear), Type N female RF output (rear)
| Model | 400A400 |
|---|
The Amplifier Research 400A400 RF Amplifier is a solid state, air-cooled, broadband amplifier delivering a minimum of 400 watts of swept power. It features push-pull LDMOS circuitry for reduced distortion and enhanced stability, with a Digital Control Panel offering local and remote operation. Equipped with forward and reflected RF sample ports, gain control, and multiple interface formats (GPIB/IEEE-488, RS-232, USB), this model ensures precise measurements and reliable performance.
Typical applications include RF susceptibility testing, antenna and component testing, watt meter calibration, particle accelerators, plasma generation, communications, and use as a driver for higher power amplifiers.
Testwall can supply the used Amplifier Research 400A400, 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 400A400.




