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The Model 250TR7z5G18 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where instantaneous bandwidth and high gain are required.
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POWER (fundamental), CW @ OUTPUT FLANGE
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Nominal: 280 watts
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Minimum: 250 watts
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FLATNESS: ±12 dB maximum
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FREQUENCY RESPONSE: 7.5-18 GHz instantaneously
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INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum
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GAIN (at maximum setting): 54 dB minimum
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GAIN ADJUSTMENT (continuous range): 35 dB minimum
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INPUT IMPEDANCE: 50 ohms, VSWR 2.0:1 maximum
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OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical
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MISMATCH TOLERANCE: Output power fold back protection at reflected power exceeding 50 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.
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MODULATION CAPABILITY: Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal. AM peak envelope power limited to specified power.
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NOISE POWER DENSITY: Minus 70 dBm/Hz maximum, Minus 72dBm/Hz typical
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HARMONIC DISTORTION
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Below 10 GHz, minus 5 dBc maximum, minus 7 dBc typical
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10-12 GHz, minus 8 dBc maximum, minus 12 dBc typical
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Above 12 GHz, minus 20 dBc maximum, minus 30 dBc typical
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PRIMARY POWER: 190-260 VAC, 50/60 Hz single phase, 2.5 KVA maximum
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CONNECTORS
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RF input: Type N precision female on rear panel
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RF output: Type WRD –750D24 waveguide flange on rear panel
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RF output sample port: Type N precision female on rear panel
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GPIB: IEEE-488 (f) on rear panel
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Interlock: DB-15 (f) on rear panel
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COOLING: Forced air (self contained fans), air entry and exit in rear.
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SIZE (W x H x D): 48.3 x 26.7 (6U) x 68.6 cm, 19 x 10.5 (6U) x 27 in
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WEIGHT (approximate): 39 kg, 85 lb
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