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The Model 1900TP1G2z5 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for pulse applications at low duty factors where instantaneous bandwidth and high gain are required. A reliable TWT provides a conservative 1900 watts minimum peak RF pulse power at the amplifier output connector. Stated power specifications are at the fundamental frequency. -
POWER (Fundamental), Peak Pulse, @ Output -
Nominal: 2,400 watts -
Minimum: 1,900 watts -
FLATNESS: ±6 dB maximum -
FREQUENCY RESPONSE: 1-2.5 GHz -
INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum -
GAIN (at maximum setting): 63 dB minimum -
GAIN ADJUSTMENT (continuous range): 35 dB minimum -
INPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 maximum -
OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical -
MISMATCH TOLERANCE: Output pulse width foldback protection at peak reflected power exceeding 1000 watts. Will operate without damage or oscillation with any magnitude and phase of source and load impedance. May oscillate with unshielded open due to coupling to input. Should not be tested with connector off. -
PULSE CAPABILITY -
Pulse Width: 0.07 – 100 microseconds. -
Pulse Rate (PRF): 100 kHz maximum -
Duty Cycle: 4% maximum. -
RF Rise and Fall: 30 ns max (10% to 90%). -
Delay: 300 ns maximum from pulse input to RF 90% -
Pulse Width Distortion: ±30 ns maximum (50% points of output pulse width compared to 50% points of input pulse width) -
Pulse Off Isolation: 80 dB minimum, 90 dB typical -
Pulse Input: TTL level, 50 ohm nominal termination -
NOISE POWER DENSITY -
HARMONIC DISTORTION: Minus 3 dBc maximum, minus 6 dBc typical -
PRIMARY POWER: 190-260 VAC, 50/60 Hz single phase, 1.2 KVA maximum -
CONNECTORS -
RF input: Type N female on rear panel -
RF output: Type DIN 7-16 female on rear panel -
RF output forward and reflected sample ports: Type N female on rear panel -
Pulse input: Type BNC female on rear panel -
GPIB: IEEE-488 female on rear panel -
Interlock: DB-15 female on rear panel -
COOLING: Forced air (self contained fans), air entry and exit in rear. -
SIZE (W x H x D): 50.3 x 26 x 94 cm, 19.8 x 10.3 x 37 in -
WEIGHT (approximate): 57 kg, 125 lbs
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