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The Model 8300TP8G12 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier system designed for pulse applications at low to moderate duty factors where instantaneous bandwidth and high gain are required. Reliable TWT subsystems provide a conservative 8300 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: 10,000 watts -
Minimum: 8,300 watts -
FLATNESS: ±10 dB maximum, ±5 dB at rated power -
FREQUENCY RESPONSE: 8–12 GHz -
INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum -
GAIN (at maximum setting): 69 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 4000 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: 0.2–50 microseconds. -
Pulse Rate (PRF): 100 kHz maximum -
Duty Cycle: 4% maximum. -
RF Rise and Fall: 35 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 15 dBc maximum -
PRIMARY POWER: See Model Configurations -
CONNECTORS -
RF input: Type N precision female on rear panel -
RF output: Type WR-90 waveguide on rear panel -
RF output sample ports (forward and reflected): Type N precision 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 43 x 84 cm, 19.8 x 17 x 33 in -
WEIGHT (approximate): 121 kg, 265 lbs
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