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The Model 10ST1G18A is a self contained, forced air cooled, broadband hybrid solid state and traveling wave tube (TWT) microwave amplifier designed for applications where low harmonic content is required in sub-band ranges and where high gain and moderate power output are required. A reliable amplifier system that provides a conservative 10 watts minimum at the amplifier output connector with low harmonics. Stated power specifications are at the fundamental frequency.
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POWER (fundamental), CW, @ OUTPUT CONNECTOR
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Nominal: 15 watts
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Minimum: 10 watts
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Linear @ 1Db Compression
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8 watts minimum, 0.8 – 4.2 GHz
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5 watts minimum, 4.2 – 18 GHz
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FLATNESS
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±3 Db maximum, 0.8 – 4.2 GHz
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±9 Db maximum, 4.2 – 18 GHz
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FREQUENCY RESPONSE: 0.8 – 18 GHz in one of four selectable sub-bands
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INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum
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GAIN (at maximum setting): 40 Db minimum
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GAIN ADJUSTMENT (continuous range)
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INPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 maximum
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OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical
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MISMATCH TOLERANCE: 100% of rated power without foldback from 0.8 – 4.2 GHz. Output power foldback protection above 4.2 GHz at reflected power exceeding 10 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 (from 4.2 – 18 GHz)
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HARMONIC DISTORTION (in user selectable sub-band (at 10 watts)
- Minus 20dBc maximum,
- Minus 30dBc typical
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PRIMARY POWER
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99-260 VAC
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50/60 Hz single phase
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700 VA 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 N precision female 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 female
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Interlock: DB-15 female on rear panel
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COOLING: Forced air (self contained fans), air entry and exit in rear.
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