the Amplifier Research 1500T2G8A TWT Amplifier : The Model 1500T2G8A is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where instantaneous bandwidth, high gain 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. The amplifier’s front panel digital display shows forward and reflected output plus extensive system status information accessed through a series of menus via soft keys. Status indicators include power on, warm-up, standby, operate, faults, excess reflected power warning and remote. Standard features include a built-in IEEE-488 (GPIB) interface, 0dBm input, VSWR protection, gain control, RF output sample port, plus monitoring of TWT helix cur, cathode voltage, collector voltage, heater cur, heater voltage, baseplate temperature and cabinet temperature. Modular design of the power supply and RF components allow for easy access and repair. Use of a switching mode power supply results in significant weight reduction. The rated power is developed by efficiently power combining the outputs from four 500 watts (nominal) microwave amplifiers that are factory matched in gain and phase The Model 1500T2G8 provides readily available RF power for a variety of applications in Test and Measurement, (including EMC RF susceptibility testing), Industrial and University Research and Development, and Service applications. Functions ad Specification of the Amplifier Research 1500T2G8A TWT Amplifier Include) POWER (fundamental), CW, @ OUTPUT CONNECTOR: Nominal: 2000 wattsMinimum: 1600 watts from 2.5 – 3.0 GHz,1700 watts from 3.0 – 7.5 GHz Linear @ 1 dB Compression: 400 watts minimum FLATNESS: ±8 dB maximum, equalized for ±6 dBmaximum at rated power FREQUENCY RESPONSE: 2.5 – 7.5 GHz instantaneously INPUT FOR RATED OUTPUT: 1.0 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 atreflected power exceeding 300 watts. Will operate withoutdamage or oscillation with any magnitude and phase ofsource and load impedance. May oscillate withunshielded open due to coupling to input.Should not be tested with connector off. MODULATION CAPABILITY: Will faithfully reproduce AM, FM, orpulse modulation appearing on the input signal. AM peakenvelope power limited to specified power. NOISE POWER DENSITY:Minus 85 dBm/Hz (maximum)Minus 95 dBm/Hz (typical) HARMONIC DISTORTION:Minus 15 dBc maximum,Minus 17 dBc typical PRIMARY POWER: See Model Configurations COOLING: Forced air (self contained fans),air entry and exit in rear. WEIGHT: 296 kg (650 lb) SIZE (W x H x D): 56 x 160 x 82.3 cm (22.1 x 63 x 32.4 in)     

• Amplifier Research 1500T2G8A - Datasheet (84 kB)