Rent Amplifier Research 1000TP8G18 PULSE TWT Ampifier (Call for Availability):
The Amplifier Research 1000TP8G18 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for pulse applications at low to moderate duty factors where instantaneous bandwidth, and high gain are required. A reliable TWT subsystem provides a conservative 1000 watts minimum peak RF pulse power at the amplifier output connector. Stated power specifications are at the fundamental frequency. The amplifier's front panel digital display shows forward and reflected average power output or forward and reflected peak power, 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 average or peak reflected power warning and remote. Standard features include a built-in IEEE-488 (GPIB) interface, 0 dBm input, TTL Gating, VSWR protection, gain control, RF output sample port, auto sleep, plus monitoring of TWT helix current, cathode voltage, collector voltage, heater current, 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. Housed in a stylish contemporary cabinet, the Amplifier Research 1000TP8G18 provides readily available pulsed RF power for a variety of applications in Test and Measurement, (including EMC RF pulse susceptibility testing), Industrial and University Research and Development, and Service applications. AR also offers a broad range of amplifiers for CW (Continuous Wave) applications. See Amplifier Research Configurations for alternative packaging and special features.
Functions and Specifications of the Amplifer Research 1000TP8G18TWT Amplifer Includes:
Power (Fundamental), Peak Pulse, @ Output Connector:
Nominal: 1800 watts
Minimum: 1000 watts
Flatness: ±8 dB maximum, equalized for ±3 dB maximum
at rated power
Frequency response: 7.5 - 18 GHz instantaneously
Input for rated output: 1.0 milliwatt maximum
Gain (at maximum setting): 60 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 pulse width foldback protection at
peak reflected power exceeding 500 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.
Pulse Width: 0.07 – 100 microseconds.
Pulse Rate (PRF): 100 kHz maximum
Duty Cycle: 4% maximum.
RF Rise and Fall: 30 ns max (10% to 90%).
Delay: 300 ns maximum from pulse input to RF 90%
Pulse Width Distortion: ±30 ns maximum (50% points of output
pulse width compared to 50% points of input pulse width)
Pulse Off Isolation: 80 dB minimum, 90 dB typical
Pulse Input: TTL level, 50 ohm nominal termination
Noise Power Density:
(pulse on): Minus 57 dBm/Hz (maximum),
minus 58 dBm/Hz (typical)
(pulse off): Minus 140 dBm/Hz (typical)
Harmonic Distortion: Minus 2 dBc maximum, Minus 3 dBc typical
Primary Power: 190-260 VAC, single phase 50/60 Hz 1.5 KVA
RF input: Type N female on rear panel
RF output: Type WRD 750D24 waveguide flange on rear panel
RF output forward sample port: Type N female on rear panel
Pulse input: Type BNC female on rear panel
GPIB: IEEE-488 female on rear panel
Interlock: DB-15 female on rear panel
Cooling: Forced air (self contained fans), air entry and exit in rear.
Weight and Size: See Model Configurations
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