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The Model KAA5020 is a Class AB wideband RF power amplifier delivering in excess of 1000 Watts CW power into a 50-Ohm load over the frequency range of 1 MHz to 50 MHz. Power gain is a minimum of 60 dB. GPIB control requires the optional IEEE488.2/RS232 Interface Controller Module.
The system features forward and reflected power indication on a front panel-mounted, analog meter; Automatic Level Control (ALC); RF gain control; overdrive protection; full VSWR protection; input blanking, and over-temperature protection. On the basic model these features, plus remote power on/off control, are accessible for hard-wire remote operation through a 25-pin, D_subminiature connector. For a detailed description of these features refer to _SPECIAL FEATURES _ KAA & KAW-SERIES SINGLE BAND RF POWER AMPLIFIERS_.
The Model KAA5020 is comprised of two 19-inch rack-mount units, 14 inches high and 28 inches deep; total. Construction is completely modular; all subassemblies are removable. Forced-air cooling is by highly reliable impeller and tube-axial fans. The amplifier operates from 187-265 VAC, 47-63 Hz line. The system may be placed in 'stand-by' mode with the BLANKING switch
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