Atec Amplifier-Research-500A250B - Manual (Page 2)

Page 2 of 3
SPECIFICATIONS, MODEL 500A250B
RATED OUTPUT POWER ............................................... 500 watts
INPUT FOR RATED OUTPUT .......................................... 1.0 milliwatt maximum
POWER OUTPUT @ 3 dB compression
Nominal
................................................................ 600 watts
Minimum ............................................................... 500 watts
POWER OUTPUT @ 1 dB compression
Nominal ................................................................ 500 watts
Minimum ............................................................... 350 watts
FLATNESS .....................................................................  3.0 dB maximum
FREQUENCY RESPONSE ............................................... 10 kHz–250 MHz instantaneously
GAIN (at maximum setting) ........................................... 57 dB minimum
GAIN ADJUSTMENT (continuous range) ......................... 10 dB minimum
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 250W 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
HARMONIC DISTORTION ............................................. Minus 20 dBc maximum at 350 watts
THIRD ORDER INTERCEPT POINT .................................. 65 dBm typical
RF POWER DISPLAY ...................................................... 0–750 watts full scale
PRIMARY POWER .......................................................... 180 - 264 VAC
47–63 Hz, 2500 watts maximum @ 0.99 P.F. typical
CONNECTORS
RF input ................................................................. See Model Configuration
RF output ............................................................... See Model Configuration
Forward Sample ..................................................... BNC female on front panel (coupling factor 60 dB typical; data supplied)
Reverse Sample ...................................................... BNC female on front panel (coupling factor 60 dB typical)
Safety Interlock ....................................................... 15 pin female Type D on rear panel
REMOTE CONTROL
IEEE-488 ............................................................ 24-pin female on rear panel
RS-232 .............................................................. 9 pin female Type D on rear panel
USB ................................................................... Type B female
COOLING .................................................................... Forced air (self contained fans)
WEIGHT, maximum ...................................................... See Model Configurations
SIZE (W x H x D) ............................................................ See Model Configurations
EXPORT CLASSIFICATION ............................................. EAR99. The export classification for this equipment is EAR99. These
commodities, technology or software are controlled for export in accordance
with the U.S. Export Administration Regulations. Diversion contrary to U.S. law is
prohibited.