Amplifier Research 100LM9

The Amplifier Research 100LM9 is a solid-state, air-cooled broadband power amplifier delivering 100 watts CW minimum across 10 kHz to 220 MHz instantaneously. Engineered for laboratory applications, it combines 50 dB minimum gain with low harmonic distortion and exceptional mismatch tolerance - operating without shutdown or damage under any source and load VSWR condition. The 100LM9 handles demanding EMC testing, medical research, communications, and component characterization tasks where instantaneous bandwidth and stable output power are critical.

Technical Specifications

• Power output: 100 watts CW minimum into 50 ohms


• Frequency response: 10 kHz to 220 MHz instantaneously


• Power gain: 50 dB minimum


• Input power for rated output: 1.0 milliwatt


• Frequency flatness: ±1.5 dB at 1.0 milliwatt input


• Harmonic distortion: ≤ -20 dB below fundamental (< 120 MHz); ≤ -30 dB below fundamental (≥ 120 MHz) at 100 watt output


• Input impedance: 50 ohms, VSWR 1.5:1 maximum


• Output impedance: 50 ohms, VSWR 2.0:1 maximum


• Mismatch tolerance: Operation without shutdown or damage under any magnitude or phase of source and load VSWR


• Primary power: 115/230 VAC, 50/60 Hz


• Power consumption: Approximately 2,600 watts


• RF connectors: Type N

Key Features

• Self-contained, solid-state design with air cooling


• Unique protective circuitry for unconditional mismatch tolerance


• Instantaneous frequency coverage across three decades


• Low harmonic distortion performance across the band

Typical Applications

• EMC testing


• Medical and physics research


• Communications system development


• Antenna and component testing


• Wattmeter calibration


• Wireless charger testing


• Piezoelectric device characterization

Compatibility & Integration Type N connectors provide standard RF interfacing. Dual-voltage mains input (115/230 VAC, 50/60 Hz) accommodates global laboratory environments. Part of AR RF/Microwave Instrumentation's U Series.