Amplifier Research 400A400A

| Attribute | Value |
|---|---|
| Frequency Range | 10 kHz – 400 MHz |
| Output Power | 400 Watts CW minimum |
| Gain | nominally 400 W minimum |
| Input Power Required | 0 dBm (1 mW) for rated output |
| Harmonic Distortion | -10 dBc or better (typically better than -20 dBc) |
| Input Impedance | 50 Ohms |
| Output Impedance | 50 Ohms |
| Power Supply | 220 VAC, Single Phase, 50/60 Hz |
| Cooling | Forced air cooling |
| Connectors | Type N Female (Input and Output) |
Amplifier Research 400A400A Options:
- 400A400A - M1 - Type N female RF input (rear), Type N female RF output (rear); standard enclosure
- 400A400A - M2 - See separate specification sheet
- 400A400A - M3 - Type N female RF input (front), Type N female RF output (front); enclosure removed for rack mounting
- 400A400A - M4 - Type N female RF input (rear), Type N female RF output (rear); enclosure removed for rack mounting
| Model | 400A400A |
|---|
The Amplifier Research 400A400A is a self-contained, air-cooled, broadband solid-state amplifier delivering 400 watts across 10 kHz–400 MHz. Featuring push-pull LDMOS circuitry, it ensures low distortion, high stability, and reliable performance for RF susceptibility, antenna, and plasma testing.
Equipped with a Digital Control Panel and remote interfaces (GPIB, RS-232, Ethernet, USB), the 400A400A offers precise control, gain adjustment, and real-time power monitoring, making it ideal for advanced RF applications.
Testwall can supply the used Amplifier Research 400A400A, 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 400A400A.



