Amplifier Research 200T1G3A

Standard features include: Built-in IEEE-488 (GPIB) interface 0dBm input VSWR protection Gain control External video pulsing RF output sample port Monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature, and cabinet temperature Input overdrive protection Modular design of the power supply and RF components accommodate easy access and repair Switching mode power supply results in significant weight reduction External video pulsing feature reduces prime power use for pulse applications Specifications: Power (fundamental), CW, @ output connector: Nominal: 242 watts Minimum: 200 watts Linear @ 1 dB compression: 50 watts minimum Flatness: ? 12 dB maximum, equalized for ? 5 dB maximum at rated power Frequency response: 0.8-2.8 GHz instantaneously Input for rated output: 1.0 milliwatt maximum Gain (at maximum setting): 53 dB minimum Gain adjustment (continuous range): 35 dB minimum Input impedance: 50 ohms, VSWR 2.5:1 maximum Output impedance: 50 ohms, VSWR 2.5:1 typical Mismatch tolerance: Output power foldback protection at reflected power exceeding 40 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 Video pulse capability: Pulse width: 0.05 microseconds minimum Pulse rate (PRF): 100 kHz maximum RF rise and fall: 30 ns maximum (10% to 90%) Delay: 300 ns maximum from pulse input to RF90% Pulse width distortion: ?30 ns maximum (50% points of output pulse width compared to 50% points of input pulse width) Noise power density: Pulse on: Maximum: Minus 72 dBm/Hz Typical: Minus 77 dBm/Hz Pulse off: Typical: Minus 140 dBm/Hz Harmonic distortion: Maximum: Minus 3 dBc Typical: Minus 4.5 dBc Primary power: 190 - 260VAC 50/60 Hz, single phase 2.5 KVA maximum Connectors: RF input: Type N female on rear panel RF output: Type N female on rear panel RF output sample port: Type N female on rear panel GPIB: IEEE-488 (f) Interlock: DB-15 female on rear panel Video: BNC-female on rear panel Cooling: Forced air (self contained fans), airy entry and exit in rear