Amplifier Research 250A400
| Attribute | Value |
|---|---|
| Frequency Range | 10 kHz – 400 MHz |
| Output Power | 250 Watts CW Minimum |
| Gain | 55 dB Minimum |
| Input Power for Rated Output | 0 dBm (1 mW) Maximum |
| Output VSWR | 2.0:1 Maximum (with 3 dB attenuator) |
| Harmonic Distortion | -10 dBc Maximum at Rated Output |
| Input Impedance | 50 Ohms Nominal |
| Output Impedance | 50 Ohms Nominal |
| Power Requirements | 220 VAC, Single Phase, 50/60 Hz |
| Cooling Method | Forced Air Cooling |
Amplifier Research 250A400 Options:
- 250A400 - F - RF Input Connector Location: Front
- 250A400 - R - RF Input Connector Location: Rear
- 250A400 - F - RF Output Connector Location: Front
- 250A400 - R - RF Output Connector Location: Rear
- 250A400 - E - Enclosure (with cabinet)
- 250A400 - NE - No Enclosure (without cabinet, for rack mounting)
| Model | 250A400 |
|---|
The Amplifier Research 250A400 is a solid-state, self-contained, air-cooled broadband RF amplifier delivering a minimum of 250 W over 10 kHz to 400 MHz, featuring a color LCD touchscreen Digital Control Panel and remote controllability via GPIB/IEEE-488, RS-232, fiber-optic, USB, and Ethernet.
Equipped with safety interlock circuitry, thermal-shutdown protection through DC removal, and 100 % mismatch tolerance without foldback, this unit performs reliably under challenging impedance conditions with high linearity and gain.
Testwall can supply the used Amplifier Research 250A400, 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 250A400.
