The Amplifier Research 700A1 is a solid-state, broadband RF power amplifier engineered to deliver high-power output across extended frequency ranges with built-in protection and precision measurement. This self-contained amplifier combines 700 watts minimum output capability with integrated safeguards against excessive VSWR, high line current, over-temperature conditions, and excessive output power. The unit employs time-delay and zero-crossing turn-on circuitry to minimize inrush current and extend component longevity.
– Technical Specifications
Power Output (CW)
• Minimum 700 watts from 10 kHz to 1 MHz
• Minimum 500 watts from 10 kHz to 1 MHz
• Minimum 250 watts from 8 kHz to 2 MHz
Frequency Coverage
• 0.8 to 1000 MHz
• 10 kHz to 1 MHz
• 8 kHz to 2 MHz
• 150 kHz to 2 MHz
Performance
• Frequency response flatness: ±1.0 dB typical
• 1.0 dB gain compression at CW linear operation
– Key Features
• Front-panel directional watt meter with non-linear scale for forward and reflected power measurement, enabling sensitive load tuning
• Attenuator control for precise output level adjustment
• Rear-panel transformer tap selector for output impedance matching
• Voltage-regulated power supply to suppress noise and output fluctuations
• Self-contained forced-air cooling with filtered intake for industrial environments
• Plug-in modular sub-assembly design for simplified maintenance and field repair
• Input power requirement: 120 VAC only (external transformer required for other voltages)
– Typical Applications
Broadband RF test, EMI susceptibility testing, wireless system characterization, and power delivery across HF through UHF bands.
– Compatibility & Integration
Standard benchtop cabinet configuration with optional rack-mount frame available for integration into multi-instrument systems.
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