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The Model 50ST1G18 is a self contained, forced air cooled, broadband hybrid solid state and traveling wave tube (TWT) microwave amplifier designed for applications where wide instantaneous bandwidth, high gain and moderate power output are required. A reliable amplifier system provides a conservative 45 watts minimum at the amplifier output connector. Stated power specifications are at the fundamental frequency. -
POWER (fundamental), CW, @ OUTPUT CONNECTOR -
Nominal: 50 watts -
Minimum: 50 watts from 0.8 to 4.2 GHz, 45 watts from 4.2 to 6.0 GHz, 50 watts from 6.0 to 18 GHz -
Linear @ 1dB Compression: 10 watts minimum -
FLATNESS -
±3 dB maximum, 0.8 – 4.2 GHz -
±10 dB maximum, 4.2 - 18 GHz -
FREQUENCY RESPONSE -
INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum -
GAIN (at maximum setting): 47 dB minimum -
GAIN ADJUSTMENT (continuous range) -
INPUT IMPEDANCE: 50 ohms, VSWR 2.0:1 maximum -
OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical -
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 20 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 (from 4.2 – 18 GHz) -
HARMONIC DISTORTION (at 50 watts) -
0.8–4.2 GHz, Minus 20 dBc maximum, Minus 30 dBc typical -
4.2-4.5 GHz; Plus 2.5 dBc maximum, Minus 0 dBc typical -
4.5-6 GHz; Plus 0.5 dBc maximum, Minus 1 dBc typical -
6-8 GHz; Minus 4 dBc maximum, Minus 6 dBc typical -
8-10 GHz; Minus 6 dBc maximum, Minus 9 dBc typical -
Above 10 GHz; Minus 10 dBc maximum, Minus 15 dBc typical -
PRIMARY POWER -
99-260 VAC -
50/60 Hz single phase -
1400 VA maximum -
CONNECTORS -
RF input: Type N precision female on rear panel -
RF output: Type N precision female on rear panel -
RF output sample port: Type N precision female on rear panel -
GPIB: IEEE-488 female -
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): 19.8 x 19 x 29 in, 50.3 x 48 x 74 cm - WEIGHT (approximate): 175 lbs, 80 kg
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