Amplifier Research 25A250A RF Amplifier

In stock

Amplifier Research 25A250A RF Amplifier

The 25A250A is a 250 MHz 25 Watt RF Amplifier from Amplifier Research. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more.

The Model 25A250A amplifier is a self-contained, broadband unit designed for laboratory applications where instantaneous bandwidth, high gain and moderate power output are required. Utilization of push-pull MOSFET circuitry lowers distortion, improves stability and allows operation into any load impedance without damage. The Model 25A250A, when used with an RF sweep generator, will provide a minimum of 25 watts of swept power.

The Amplifier Research 25A250A includes a front panel control which permits the operator to conveniently set the amplifier's desired output level. Housed in a stylish contemporary enclosure, the Amplifier Research 25A250A provides readily available RF power for typical applications such as RF susceptibility testing, antenna and component testing, watt meter calibration, and use as a driver for higher power amplifiers.

The Amplifier Research 25A250A utilizes a switching power supply with universal and autoranging input which will automatically accept from 90 to 135 VAC or from 180 to 270 VAC at 47 to 63 Hz.

Nominal 35 watts
Minimum 25 watts
Linear @ 1dB compression 15 watts minimum
FLATNESS ± 1.0 dB maximum
FREQUENCY RESPONSE 10 kHz - 250 MHz instantaneously
INPUT FOR RATED OUTPUT 1.0 milliwatt maximum
GAIN (at maximum setting) 44 dB minimum
GAIN ADJUSTMENT (continuous range) 18 dB minimum
INPUT IMPEDANCE 50 ohms, VSWR 1.5:1 maximum
OUTPUT IMPEDANCE 50 ohms, VSWR 2.0:1 maximum
MISMATCH TOLERANCE * 100% of rated power without foldback. 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
NOISE FIGURE (above 1.0 MHz) 6 dB typical
HARMONIC DISTORTION Minus 20 dBc maximum at 15 watts
PRIMARY POWER 90-135/180-270 VAC 47 to 63 Hz, single phase 200 watts maximum
COOLING Forced air (self contained fans)
WEIGHT 15.9 kg (35.0 lb)
SIZE (WxHxD) 50.3 x 15.5 x 30.0 cm

Serial# 305814

Pdf manual

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SKU R043
Availability In Stock
Condition Used
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