Atec Amplifier-Research-250L - Manual (Page 2)

SPECIFICATIONS
Model 250L
POWER OUTPUT
Pulse Mode
Minimum ........................................................................... 750 watts
Duty Cycle .......................................................................... 10% maximum
Pulse Width ........................................................................ 8 milliseconds maximum
CW Mode
Nominal ............................................................................... 370 watts
Minimum.............................................................................. 250 watts
Linear @ 1dB compression................................................ 150 watts minimum
FLATNESS.....................................................................................
± 1.5 dB
FREQUENCY RESPONSE........................................................... 10 kHz - 220 MHz instantaneously
INPUT FOR RATED OUTPUT.................................................... 1.0 milliwatt maximum
GAIN (at maximum setting).......................................................... 54dB minimum CW, 59dB minimum Pulse
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 ............................................................................ Noise floor data on request
HARMONIC DISTORTION (at 150 watts) ................................. Minus 20 dBc average
Below 115 MHz................................................................... Minus 15 dBc maximum
Above 115 MHz................................................................... Minus 25 dBc maximum
THIRD ORDER INTERCEPT POINT.......................................... 61 dBm typical
GATING CHARACTERISTICS
Pulse Mode Gating / CW Mode Blanking
Signal (into 180 ohms) .................................................. Plus or minus 2.5 to 6.0 VDC
Rise time ......................................................................... 20 microseconds maximum
Fall time ......................................................................... 5 microseconds maximum
RF Rise / Fall Time ............................................................. 10 nanoseconds maximum
PRIMARY POWER........................................................................ 100/110/120/200/208/220/240
± 5% VAC
(select via internal taps) 50/60 Hz, single phase
3700 watts maximum
CONNECTORS
RF Input............................................................................... Type BNC female
RF Output ............................................................................ Type N female
Gating/Blanking.................................................................. Type BNC female
Remote Control................................................................... 25 pin female subminiature D
COOLING ...................................................................................... Forced air (self contained fans)
WEIGHT......................................................................................... 84 kg (185 lb)
SIZE (WxHxD)............................................................................... 50.3 x 42.7 x 55.1 cm
19.8 x 16.8 x 21.7 in
* See Application Note #27