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The Model 300T2G8 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. A reliable TWT provides a conservative 300 watts minimum at the amplifier output connector. Stated power specifications are at the fundamental frequency.
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POWER (fundamental), CW, @ OUTPUT CONNECTOR
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FLATNESS: ±12 dB maximum, equalized for ±5 dB maximum at rated power
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FREQUENCY RESPONSE: 2.5-7.5 GHz instantaneously
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INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum
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GAIN (at maximum setting): 55 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 foldback protection at reflected power exceeding 60 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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VIDEO PULSE CAPABILITY
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Pulse Width: 0.05 microseconds min
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Pulse Rate (PRF): 100 kHz max
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RF Rise and Fall: 30 ns max (10 % to 90%)
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Delay: 300 ns max from pulse input to RF 90%
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Pulse Width Distortion: ± 30 ns (50% points of output pulse width compared to 50% point of input pulse width)
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NOISE POWER DENSITY
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HARMONIC DISTORTION: Minus 3.0 dBc maximum, Minus 4.5 dBc typical
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PRIMARY POWER
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190-260 VAC
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50/60 Hz single phase
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3.0 KVA maximum
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CONNECTORS
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RF input: Type N female on rear panel
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RF output: Type N female on rear panel
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RF output sample port: Type N 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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Video: BNC-female on rear panel
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COOLING: Forced air (self contained fans), air entry and exit in rear.
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