The Amplifier Research 100S1G4 is a self-contained, air-cooled solid-state power amplifier engineered for broadband applications demanding high gain, linearity, and instantaneous bandwidth. Operating across 0.8 GHz to 4.2 GHz, this amplifier delivers a minimum 100 W CW output with nominal 120 W at 3 dB compression. Push-pull circuitry in high-power stages reduces distortion and enhances stability across the operating range.
– Technical Specifications
• Output Power: Minimum 100 W CW; nominal 120 W at 3 dB compression; minimum 90 W at 3 dB compression; nominal 100 W at 1 dB compression; minimum 70 W at 1 dB compression
• Gain: Minimum 50 dB with 15 dB minimum continuous adjustment range
• Input for Rated Output: 1.0 mW maximum
• Harmonic Distortion: −20 dBc maximum at 80 W
• Flatness: ±1.5 dB typical; ±2.0 dB maximum; ±1 dB with internal leveling
• Spurious Signals: −73 dBc typical
• Phase Linearity: ±1 deg/100 MHz typical
• Input/Output Impedance: 50 Ω nominal; input VSWR 2.0:1 maximum
• Primary Power: 90–132 VAC or 180–264 VAC, 50/60 Hz, single phase (auto-selected); 340 W maximum consumption
• Modulation: AM, FM, Pulse
– Key Features
• Digital control panel with local and remote operation via IEEE-488 (GPIB) and RS-232
• Forward and reflected power display with internal RF detector
• Internal/external automatic level control (ALC) with front panel adjustment
• Pulse input capability with RF output level protection
• Keylock prevents unauthorized mode switching
• Type N female RF connectors
– Typical Applications
Broadband RF testing, EMC compliance, wireless communication system validation, and signal generation across L- to C-band frequencies.
– Compatibility & Integration
The 100S1G4 integrates into automated test systems via GPIB and RS-232 interfaces. Forced-air cooling and portable form factor (50.3 cm × 47.0 cm × 61.0 cm; 86.2 kg) suit laboratory benches and field deployments.
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