Amplifier Research 250S1G4A
| Attribute | Value |
|---|---|
| Frequency Range | 1 MHz – 1 GHz |
| Output Power (Minimum) | 250 Watts CW |
| Gain (Minimum) | 55 dB |
| Input for Rated Output | 10 mW (10 dBm) maximum |
| Input VSWR | 2.0:1 maximum |
| Output VSWR | 2.0:1 maximum (into matched load) |
| Harmonic Distortion | -10 dBc maximum |
| Power Requirements | 200-240 VAC, Single Phase, 50/60 Hz |
| Cooling Method | Forced air cooling |
| Connector Type | Type N Female (input and output) |
Amplifier Research 250S1G4A Options:
- 250S1G4A - M1 - Type N female RF input (rear), Type 7/16 female RF output (rear)
- 250S1G4A - M2 - Same as standard with enclosure removed for rack mounting
- 250S1G4A - M3 - Same as M1 with enclosure removed for rack mounting
- 250S1G4A - M4 - Type N female RF input (rear), Type N female RF output (rear); equipment rack with casters
- 250S1G4A - M5 - Type N female RF input (rear), Type 7/16 female RF output (rear); housed in 525S1G4A/700S1G4A chassis for future upgradeability to 525W or 700W
- 250S1G4A - M6 - Type N female RF input (rear), Type N female RF output (rear)
- 250S1G4A - M7 - Same as M6 with enclosure removed for rack mounting
| Model | 250S1G4A |
|---|
The Amplifier Research 250S1G4A is a solid-state, air-cooled, broadband amplifier delivering a minimum of 250 watts of RF power across 0.8–4.2 GHz. It features push-pull circuitry for reduced distortion, excellent gain of 54 dB, and versatile modulation support including AM, FM, and pulse. Equipped with a digital control panel, it offers precise forward/reflected power monitoring, gain adjustment, and comprehensive local/remote control via GPIB, RS-232, USB, and Ethernet interfaces.
Designed for EMC testing, wireless communication, and component evaluation, the 250S1G4A ensures reliable performance with low spurious signals and stable output under mismatched load conditions. Its rugged design and efficient forced-air cooling make it suitable for continuous operation in demanding lab and test environments.
Testwall can supply the used Amplifier Research 250S1G4A, 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 250S1G4A.
