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Amplifier Research 500W1000B

500Watt, CW 80MHz-1000MHz RF Power Amplifier

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Catalog Description

Amplifier Research 500W1000B

 AR-500W1000B 500Watt, CW 80MHz-1000MHz RF Power Amplifier

The  AR-500W1000B is a self-contained, air -cooled, broadband, completely
solid-state amplifier designed for applications where instantaneous bandwidth
and high gain are required. Push-pull circuitry is utilized in all
high power stages in the interest of lowering distortion and improving
stability. The  AR-500W1000B, when used with an RF sweep generator, will
provide a minimum of 500 watts of RF power.

The  AR-500W1000B is equipped with a Digital Control Panel (DCP) which provides
both local and remote control of the amplifier. The DCP uses a color LCD touch
screen and a single rotary knob to offer status reporting and control
capability. The display provides operational presentation of Forward Power and
Reflected Power plus amplifier status. Special features include a gain
control, internal automatic level control (ALC) with front panel control of
the ALC threshold, forward and reflective RF sample ports for precise power
measurements and RF output level protection. Protection is provided by DC
current level sensing of all output stages.

All amplifier control functions and status indications are available remotely
in GPIB/IEEE- 488 format and RS-232 hardware and fiber optic, USB and
Ethernet. The buss interface connector is located on the back panel and
positive control of local or remote operation is assured by a keylock on the
front panel of the amplifier.


RATED OUTPUT POWER:500watts minimum
INPUT FOR RATED OUTPUT:1.0 milliwatt maximum
POWER OUTPUT @ 3dB compression:
Nominal 575 watts, 550 watts min up to 500 MHz;475 watts min from 500 to 1000
POWER OUTPUT @ 1dB compression: Nominal 500 watts, 475 watts min up to 500
MHz; 400watts min from 500 to 1000 MHz
FLATNESS:1.5dB maximum; 1.0dB typical
FREQUENCY RESPONSE: 80-1000MHz instantaneously
GAIN (at maximum setting):57dB minimum
GAIN ADJUSTMENT (continuous range):25dB minimum
INPUT IMPEDANCE: 50ohms, VSWR 1.5:1 maximum; 1.3:1 typical
OUTPUT IMPEDANCE: 50ohms nominal
MISMATCH TOLERANCE:100% of rated power without foldback. Will operate without
damage or oscillation with any magnitude and phase of source and load
impedance. (See Application Note #27)
FM, or Pulse modulation appearing on input signal.
HARMONIC DISTORTION: Minus 20dBc maximum at 400 watts, -20dBc typical at 500
NOISE FIGURE: 8dB maximum, 6dB typical
PRIMARY POWER (specify voltage): 120-240VAC, 50/60 Hz, single phase, 2200
RF Input: Type N, front panel
RF Output: Type N female, front panel
Forward sample: BNC female, front (-50 dBc)
Reverse sample: BNC female, front (-50 dBc)
Remote Interfaces:
IEEE-488 24-pin female
RS-232 9-pin Subminiature D, female
Fiber Optic ST Conn Tx and Rx RS-232
USB 2.0 Type B
Ethernet RJ-45
Safety Interlock: 15-pin Subminiature D, rear panel
COOLING: Forced air (self contained fans), enters front and bottom

LengthWidthHeightShip Wt 
24 " 19.8 " 18.5 " 206 lb  
N/A Currently not available for sale used
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