The Amplifier Research 300A100 is a solid-state broadband amplifier delivering 300 watts CW linear power output across 10 kHz to 100 MHz instantaneously. Operating with less than 1.0 dB gain compression and a minimum 55.5 dB gain, this amplifier maintains ±1.5 dB flatness (±0.5 dB with internal leveling) across its full frequency range. The unit accepts 1.0 milliwatt maximum input to achieve rated output.
– Technical Specifications
Power Output
• CW linear: 300 watts minimum (less than 1.0 dB gain compression)
• CW saturated: 350 watts minimum
• @ 1 dB compression: Minimum 75 watts (nominal 100 watts)
• @ 3 dB compression: Minimum 100 watts (nominal 130 watts)
• Harmonic distortion: −20 dBc maximum at 300 watts
Frequency & Gain
• Operating range: 10 kHz to 100 MHz instantaneously
• Gain: 55.5 dB minimum (at maximum setting)
• Gain adjustment: 18 dB minimum continuous range
• Flatness: ±1.5 dB maximum; ±0.5 dB with internal leveling
Impedance & Mismatch
• Input: 50 ohms, VSWR 1.5:1 maximum
• Output: 50 ohms, VSWR 2.5:1 maximum
• Operates without damage or oscillation with any magnitude and phase of source and load impedance
Linearity & Dynamic Range
• Third order intercept point: 61 dBm typical
• Modulation capability: Reproduces AM, FM, and pulse modulation on input signal
Control & Monitoring
• RF power meter: 0–400 watts full scale
• Automatic level control: Internal/external with front panel threshold control
• Pulse modulation input: BNC female
• Detected RF output: BNC female
• Remote control: 25-pin subminiature D connector
Electrical & Physical
• Primary power: 100/110/120/200/208/220/240 ±5% VAC, 50/60 Hz, single phase
• Maximum consumption: 2000 watts
• Dimensions: 50.3 × 42.7 × 55.1 cm
• Cooling: Forced air with self-contained fans
– Key Features
• Solid-state push-pull architecture
• Instantaneous frequency coverage 10 kHz to 100 MHz
• BNC input, Type N output connectors
• Integrated RF power metering and gain adjustment
• Built-in monitoring and protection circuits
• Front panel and remote control interfaces
– Typical Applications
• Electromagnetic compatibility (EMC) testing
• General laboratory amplification
• Communication system development and testing
– Compatibility & Integration
Input impedance of 50 ohms with 1.5:1 VSWR matches standard RF test equipment. Output impedance of 50 ohms accommodates typical 2.5:1 VSWR loads without performance degradation. External leveling and pulse modulation inputs enable integration with test systems and signal conditioning circuits.
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