Amplifier Research 125W1000 Amplifier : The Amplifier Research 125W1000 is a portable, self-contained, air-cooled, broadband, completely solid-state amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. Push-pull circuitry is utilized in all high power stages in the interest of lowering distortion and improving stability. The Amplifier Research 125W1000, when used with a sweep generator, will provide a minimum of 125 watts of RF power. The Amplifier Research 125W1000 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 and RF output level protection. Protection is provided by DC cur level sensing of all output stages. All amplifier control functions and status indications are available remotely in GPIB/IEEE- 488 and RS-232 hardwire 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 key lock on the front panel of the amplifier. Housed in a stylish, contemporary bench top enclosure, the Amplifier Research 125W1000 provides readily available RF power for typical applications such as RF susceptibility testing, antenna and component testing, watt meter calibration, and as a driver for frequency multipliers and higher power amplifiers. A safety interlock can be implemented via a rear panel connector. Functions and Specifications for the Amplifier Research 125W1000 Amplifier Include: RATED OUTPUT POWER: 125 watts minimum INPUT FOR RATED OUTPUT: 1.0 mW maximum POWER OUTPUT @ 3dB COMPRESSION:Nominal: 130 watts,Minimum: 110 watts POWER OUTPUT @ 1dB COMPRESSION:Nominal: 110 watts,Minimum: 85 watts FLATNESS: ±1.5 dB typical, ±2.0 dB maximum FREQUENCY RESPONSE: 80-1000 MHz instantaneously GAIN (at maximum setting): 51 dB minimum GAIN ADJUSTMENT (Continuous Range) : 25 dB minimum(4096 steps remote) INPUT IMPEDANCE: 50 ohms, VSWR 1.5:1 maximum; 1.3:1 typical OUTPUT IMPEDANCE: 50 ohms nominal MISMATCH TOLERANCE: 100% of rated power with- out foldback.Will operate without damage or oscillation with any magnitudeand phase of source and load impedance. MODULATION CAPABILITY: Will faithfully reproduce AM, FM, orPulse modulation appearing on input signal. THIRD ORDER INTERCEPT: 58 dBm typical NOISE FIGURE: 8 dB maximum, 6 dB typical HARMONIC DISTORTION: Minus 25 dBc maximum at 100 watts,-30dBc typical at 100 watts SPURIOUS: Minus 73 dBc typical PRIMARY POWER (selected automatically): 90-264 VAC, 50/60Hz,625 watts     

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