Amplifier Research 75A250
| Attribute | Value |
|---|---|
| Frequency Range | 10 kHz – 250 MHz |
| Output Power | 75 Watts minimum continuous average |
| Gain | 55 dB minimum |
| Input for Rated Output | 316 mV RMS maximum |
| Input Impedance | 50 Ohms nominal |
| Output Impedance | 50 Ohms nominal |
| Harmonics and Spurious Signals | -10 dBc or less at rated output |
| Power Requirements | 220 VAC, 50/60 Hz, single phase |
| Cooling Method | Forced air cooling |
| Connector Type | Type N female input and output connectors |
Amplifier Research 75A250 Options:
- 75A250 - M1 - Rear Panel RF Connector, with Gain Control, without Instrument Case
- 75A250 - M2 - Front Panel RF Connector, without Gain Control, with Instrument Case (6 dB Noise Figure)
- 75A250 - M3 - Rear Panel RF Connector, with Gain Control, with Instrument Case
- 75A250 - M4 - Front Panel RF Connector, with Gain Control, without Instrument Case
- 75A250 - M5 - Rear Panel RF Connector, without Gain Control, with Instrument Case (6 dB Noise Figure)
- 75A250 - M6 - Rear Panel RF Connector, without Gain Control, without Instrument Case (6 dB Noise Figure)
- 75A250 - M7 - Front Panel RF Connector, without Gain Control, without Instrument Case (6 dB Noise Figure)
| Model | 75A250 |
|---|
The Amplifier Research 75A250 is a self-contained broadband amplifier designed for demanding laboratory applications requiring instantaneous bandwidth, high gain, and moderate power output. Featuring push-pull MOSFET circuitry, it reduces distortion, enhances stability, and enables safe operation into any load impedance. When paired with an RF sweep generator, it delivers a minimum of 75 watts of swept power, ensuring precise and efficient performance across applications.
With its contemporary enclosure, the Amplifier Research 75A250 is ideal for RF susceptibility testing, antenna and component testing, watt meter calibration, and as a driver for higher-power amplifiers. A convenient front panel control allows quick adjustment of output levels, while its autoranging power supply supports 90–135 VAC or 180–270 VAC inputs at 47–63 Hz.
Testwall can supply the used Amplifier Research 75A250, 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 75A250.
