Description
The Amplifier Research 25A250A 25 Watt CW, 10 kHz – 250 MHz RF Power 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 A.R. 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 25 Watt CW, 10 kHz – 250 MHz RF Power Amplifier 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.
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Amplifier Research 25A250A Specificaitions:
- POWER OUTPUT: 25 watts minimum
- INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum
- Power output @ 3dB compression
- Nominal: 32 watts
- Minimum: 25 watts
- Power output @ 1 dB compression
- Nominal: 20 watts
- Minimum: 15 watts
- FLATNESS: ± 1.0 dB maximum
- FREQUENCY RESPONSE: 10 kHz – 250 MHz instantaneously
- 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 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.
- MODULATION CAPABILITY: Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal
- NOISE FIGURE (above 1.0 MHz): 16 dB typical
- HARMONIC DISTORTION: Minus 20 dBc maximum at 15 watts
- THIRD ORDER INTERCEPT POINT: 54 dBm typical
- PRIMARY POWER: 90-135/180-270 VAC 47 to 63 Hz, single phase 200 watts maximum
- RF CONNECTORS: Type N female
- COOLING: Forced air (self-contained fans)
- WEIGHT: 15.9 kg (35.0 lb)
- SIZE (WxHxD):50.3 x 15.5 x 30.0 cm (19.8 x 6.1 x 11.80 in)
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