Amplifier Research 400A400A Amplifier - Precision Redefined
The Amplifier Research 400A400A is an advanced self-contained, air-cooled amplifier meticulously engineered for applications demanding instantaneous bandwidth and high gain. Utilizing cutting-edge push-pull LDMOS circuitry in all high power stages, this amplifier effectively minimizes distortion while enhancing stability, ensuring superior performance in critical testing environments.
Key Features:
- Power Output: Minimum of 400 watts swept power when paired with an RF sweep generator.
- Digital Control Panel (DCP): Features a user-friendly color LCD touch screen with a single rotary knob for intuitive operation, providing both local and remote control capabilities.
- Real-Time Monitoring: Displays Forward Power, Reflected Power, and control status alongside internal amplifier status reports.
- Power Measurement Options: Equipped with forward RF sample port and reflective RF sample port to ensure precise power measurement.
- Versatile Control Interfaces: Remote control functions via GPIB/IEEE-488, RS-232, RS-232 fiber optic, Ethernet, and USB; switching between local or remote operation is easily managed via the front panel switch.
- Efficient Power Supply: Utilizes high efficiency universal input, power factor corrected switching power supplies to deliver DC power to all internal components.
- Sleek Design: Housed in a contemporary enclosure, suitable for a wide range of laboratory and field applications.
Applications: The Amplifier Research 400A400A excels in various settings, including RF susceptibility testing, antenna and component testing, watt meter calibration, particle accelerators, plasma generation, and as a driver for higher power amplifiers.
Specifications:
- Rated Output Power:
400 watts (10kHz-250MHz);
400-350 watts (250MHz-400MHz with a derated slope of .33W/MHz)
- Input for Rated Output: 1.0 milliwatt maximum
- Power Output @ 3 dB compression:
350 watts (10kHz-250MHz);
350-300 watts (250MHz-400MHz with a derated slope of .33W/MHz)
- Power Output @ 1 dB compression:
275 watts (10kHz-250MHz);
275-225 watts (250MHz-400MHz with a derated slope of .33W/MHz)
- Flatness: ±3.0 dB maximum
- Frequency Response: 10 kHz–400 MHz instantaneously
- Gain (maximum setting): 56 dB minimum
- Gain Adjustment: Continuous range with a minimum of 20 dB
- Input Impedance: 50 ohms, VSWR 1.5:1 maximum
- Output Impedance: 50 ohms, nominal
- Mismatch Tolerance: 100% rated power without foldback up to 6.0:1 mismatch
- Modulation Capability: Able to reproduce AM, FM, or pulse modulation from the input signal
- Harmonic Distortion: -20 dBc maximum at 250 watts
- Third Order Intercept Point: 65 dBm typical
- RF Power Display: 0–750 watts full scale
