Amplifier Research 350AH1 RF Amplifier, 10 Hz - 1 MHz, 350W CW

Amplifier Research 350AH1 RF Amplifier

The Amplifier Research 350AH1 is a state-of-the-art RF amplifier engineered for laboratory settings that demand instantaneous bandwidth, high gain, and moderate power output. This portable, self-contained, air-cooled broadband solid-state amplifier delivers up to 350 watts of output power when paired with an RF sweep generator, making it ideal for a variety of applications including magnetic susceptibility testing, MIL-Std-461F (4–10 kHz requirements), antenna and component testing, watt-meter calibration, and serving as a driver for higher power amplifiers.

Key Features

• High Efficiency Power Supply: Utilizes a switching supply with autoranging AC input that accommodates voltages between 90 to 260 VAC across a frequency range of 47 to 63 Hz.
• Fault Protection: The amplifier's RF stages are safeguarded against over-temperature and over-current conditions, featuring a fail-safe mechanism that disconnects DC voltage in case of faults.
• Digital Display: The front panel's digital display showcases the operational status and alerts for any pending fault conditions, ensuring reliable operation.
• Digital Control: The device supports both local and remote control operations through a robust RISC microprocessor controller, enabling communication via IEEE-488 (GPIB), USB, Ethernet, and asynchronous full duplex RS-232.
• Bridged Output Configuration: Capable of pairing two 350AH1 amplifiers together to enhance output by utilizing a shared signal and internal signal inversion feature.

Specifications

• Operation: Class AB Linear
• Frequency Response: 10 Hz – 1 MHz instantaneously
• Power Output:
  • CW, Minimum: 350 watts (10 Hz – 300 kHz); 350 – 55 watts (300 kHz – 1 MHz)
  • Voltage Output, Minimum: 25 Vrms (10 Hz – 300 kHz); 25 – 10 Vrms (300 kHz – 1 MHz)
  • Current Output, Minimum: 14 Arms (10 Hz – 300 kHz); 14 – 5.5 Arms (300 kHz – 1 MHz)
• Flatness: ±1.0 dB (10 Hz – 300 kHz); ±4.0 dB (300 kHz – 1 MHz)
• Gain: Power Gain: 47 dB minimum (10 Hz – 300 kHz); 39 dB minimum (300 Hz – 1 MHz)
• Gain Control Range: 15 dB minimum
• Input Signal: 0 – 2 Vrms
• Input Impedance: 600 ohms typical
• Output Impedance: < 1 Ohm typical
• Mismatch Tolerance: 100% of rated power without failure.
• Modulation Capability: Accurately reproduces AM, FM, or pulse modulation present on the input signal.
• Primary Power: 90 – 260 VAC, 47 to 63 Hz, single-phase, 1200 watts maximum
• Connectors:
  • RF Input: Type BNC female
  • RF Output: 5-way binding post
• Remote Control:
  • IEEE-488: 24 pin female
  • RS-232: 9 pin subminiature D (female)
  • USB: Type B (female)
• Remote Interlock: 15 pin subminiature D
• Cooling: Forced air with self-contained fans

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