Amplifier Research 500T1G2

The Amplifier Research 500T1G2 is a self-contained, air-cooled solid-state amplifier designed for laboratory and test environments requiring broadband coverage, high gain, and moderate RF power. Operating across 1 GHz to 2.5 GHz instantaneously, it delivers a nominal 537 watts CW output with a minimum guaranteed 500 watts, making it suitable for EMC testing, scientific research, and communication system applications.

Technical Specifications

• Continuous Wave: 537 W nominal, 500 W minimum


• Linear Power @ 1 dB Compression: 125 W minimum


• Mismatch Protection: Output power foldback when reflected power exceeds 100 W Frequency & Gain


• Frequency Range: 1 GHz to 2.5 GHz (instantaneous bandwidth)


• Maximum Gain: 57 dB minimum


• Continuous Gain Adjustment: 35 dB minimum range


• Gain Flatness: ±8 dB maximum (±5 dB maximum equalized at rated power) Input/Output Impedance


• Input Level for Rated Output: 1.0 mW maximum


• Input Impedance: 50 Ω, VSWR 2.0:1 maximum


• Output Impedance: 50 Ω, VSWR 2.5:1 typical


• Input Connector: Type N female (rear)


• Output Connector: 7–16 DIN female (rear)


• Sample Port: Type N female (forward power monitoring) Signal Capability


• Modulation Support: AM, FM, pulse (peak envelope power limited to rated output)

Key Features

• Real-time monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature, and cabinet temperature


• Digital front panel display with forward and reflected power readout


• Continuous front panel and remote gain control via soft keys


• Integrated VSWR protection circuitry with excess reflected power warning


• IEEE-488 GPIB interface for remote operation


• DB15 interlock connector for external system integration


• Auto sleep function standard


• Modular power supply and RF component design for serviceability


• Switching mode power supply for reduced weight and size


• Benchtop cabinet with rack-mount capability

Typical Applications

• EMC testing and compliance verification


• Scientific research requiring broadband RF amplification


• Communication systems development and validation

Compatibility & Integration IEEE-488 GPIB interface enables integration into automated test systems. External interlock capability via DB15 connector supports multi-unit coordination and safety interlocking.