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Amplifier Research 200A400A 10 kHz - 400 MHz, 200 Watts CW RF Amplifier View larger

Amplifier Research 200A400A 10 kHz - 400 MHz, 200 Watts CW RF Amplifier

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  • 10kHz–100MHz
  • M1 through M5
  • 150 Watts CW
  • Used with an RF sweep generator
  • Provides readily available RF power
  • For typical applications

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Test Equipment Description

The Amplifier Research 200A400A is a self-contained, aircooled, broadband, completely solid state amplifier designed for applications where instantaneous bandwidth and high gain are required. Push-pull LDMOS circuitry is utilized in all high power stages in the interest of lowering distortion and improving stability. The Model 200A400A, when used with an RF sweep generator, will provide a minimum of 200 watts of swept power.

The Model 200A400A 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 control status and reports of internal amplifier status. Special features include a gain control, pulse input capability, forward RF sample port and a reflective RF sample port for precise power measurements.

All amplifier control functions and status indications are available remotely in GPIB/IEEE488, RS-232, RS-232 fiber optic, Ethernet, and USB format. The buss interface connectors are located on the back panel and positive control of local or remote operation is assured by a switch on the front panel of the amplifier.

High efficiency universal input, power factor corrected switching power supplies provides DC to all internal sub-assemblies.

Housed in a stylish, contemporary enclosure, the Model 200A400A provides readily available RF power for typical applications such as RF susceptibility testing, antenna and component testing, watt meter calibration, particle accelerators, plasma generation, communications and use as a driver for higher power amplifiers.

The export classification of this equipment is EAR99. These commodities, technology or software are controlled for export in accordance with the U.S. Export Administration Regulations. Diversion contrary to U.S. law is prohibited.

200A400A TYPICAL POWER OUTPUT

Specifications
RATED POWER OUTPUT200 watts
INPUT FOR RATED OUPUT1.0 milliwatt maximum
POWER OUTPUT @ 3dB COMPRESSION175 watts
POWER OUPUT @ 1dB COMPRESSION150 watts, 10kHz-250MHz; 150-125 watts, 250MHz-400MHz
(derated slope of .167W/MHz)
FLATNESS±3.0 dB maximum
FREQUENCY RESPONSE10 kHz–400 MHz instantaneously
GAIN53 dB minimum
GAIN ADJUSTMENT
(continuous range)
20 dB minimum
INPUT IMPEDANCE50 ohms, VSWR 1.5:1 maximum
OUTPUT IMPEDANCE50 ohms, nominal
MISMATCH TOLERANCE100% rated power without foldback up to 6.0:1 mismatch, above which may limit to 100W reflected power. Will operate without damage or oscillation with any magnitude and phase of source and load impedance.
MODULATION CAPABILITYWill faithfully reproduce AM, FM, or pulse modulation appearing on the input signal
PULSE MODE GATING CHARACTERISTICS Signal (into 50 ohms)+3.0 to 6.0 VDC
HARMONIC DISTORTIONMinus 20 dBc maximum at 100 watts
THIRD ORDER INTERCEPT POINT65 dBm typical
RF POWER DISPLAY0–350 watts full scale
PRIMARY POWER85–264 VAC, 47–63 Hz; 1250 watts maximum @ 0.99 P.F. typical
CONNECTORS
RF inputType N female, front
RF outputType N female, front
Forward SampleBNC female, front (coupling factor 60 dB typical; data supplied)
Reverse SampleBNC female, front (coupling factor 60 dB typical)
Pulse Modulation InputBNC female, rear
Safety Interlock15 pin female Type D, rear
Remote Computer InterfaceIEEE-488 (GPIB) & RS-232, rear
Remote Computer Interface
(Fiber optic)
ST Conn Tx, RS-232 Rx
USB 2.0Type B
EthernetRJ-45
COOLINGForced air (self contained fans)
WEIGHT, maximum45.8 kg (101 lbs)
SIZE (W x H x D)50.3 x 34 x 56.9 cm (19.8 x 13.4 x 22.0 in)
EXPORT CLASSIFICATIONEAR99

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