Tektronix Encore

Amplifier Research 200A400A
RF Amplifier, 10kHz - 400MHz, 200W

Amplifiers - RF and Microwave >> 1 GHz or Less and 101 Watt to 999 Watt >> RF Amplifier, 10kHz - 400MHz, 200W
Rent Used Test Equipment
Manufacturer: Amplifier Research
Model: 200A400A

Amplifier Research 200A400A RF Amplifier, 10kHz - 400MHz, 200W

Electronic Test and Measurement Equipment

Amplifier Research 200A400A RF Amplifier, 10kHz - 400MHz, 200W Product Datasheet Download Product Datasheet

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Product Overview

Rent Amplifier Research 200A400A Amplifier (Call for availability):


The Model 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/IEEE-488, 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.


Functions and Specifications of the Amplifier Research 200A400A Include:




INPUT FOR RATED OUTPUT:1.0 milliwatt maximum


POWER OUTPUT @ 3 dB compression: 175 watts


POWER OUTPUT @ 1 dB compression:150 watts, 10kHz-250MHz;

150-125 watts, 250MHz-400MHz (derated slope of .167W/MHz)


FLATNESS: ±3.0 dB maximum


FREQUENCY RESPONSE: 10 kHz–400 MHz instantaneously


GAIN (at maximum setting): 53 dB minimum


GAIN ADJUSTMENT (continuous range): 20 dB mini- mum


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, 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 CAPABILITY: Will faithfully reproduce AM, FM, or

pulse modulation appearing on the input signal



Signal (into 50 ohms): +3.0 to 6.0 VDC


HARMONIC DISTORTION: Minus 20 dBc maximum at 100 watts




RF POWER DISPLAY: 0–350 watts full scale


PRIMARY POWER: 85–264 VAC, 47–63 Hz; 1250 watts

maximum @ 0.99 P.F. typical

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