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The Model 1500T8G18 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where instantaneous bandwidth, high gain, moderate harmonic levels, and high power output are required. Reliable TWT subsystems provide a conservative 1500 watts minimum at the amplifier output connector. Stated power specifications are at fundamental frequency. -
POWER (fundamental), CW, @ OUTPUT CONNECTOR -
FLATNESS: ±11 dB maximum, equalized for ±6 dB maximum at rated power -
FREQUENCY RESPONSE: 7.5 - 18 GHz instantaneously -
INPUT FOR RATED OUTPUT: 1 milliwatt maximum -
GAIN (at maximum setting): 62 dB minimum -
GAIN ADJUSTMENT (continuous range): 35 dB minimum -
INPUT IMPEDANCE: 50 ohms, VSWR 2.0:1 maximum -
OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical -
MISMATCH TOLERANCE: Output power foldback protection at reflected power exceeding 300 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. -
MODULATION CAPABILITY: Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal. AM peak envelope power limited to specified power. -
NOISE POWER DENSITY: -
HARMONIC DISTORTION: -
Minus 20 dBc (maximum) -
Minus 27 dBc (typical) -
PRIMARY POWER: See Model Configurations -
CONNECTORS -
RF input: Type N female on rear panel -
RF output: Type WRD 750D24 waveguide flange on rear panel -
RF output sample ports (forward and reverse): Type N 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. -
WEIGHT: 546 kg (1200 lb) -
SIZE (W x H x D): Two cabinets, each 56 x 160 x 84cm, (22.1 x 63 x 33 in)
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