Rent the Amplifier Research 200T18G26z5B TWT Amplifier (Call for Availability):
The Amplifier Research 200T18G26z5A is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where wide instantaneous bandwidth, high gain and moderate power output are required. A reliable TWTA subsystem provides a conservative 200 watts minimum at the amplifier output connector. Stated power specifications are at the 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, forward and reflected RF output sample ports, 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. The rated power is developed by efficiently power combining the outputs from two 150 watts (nominal) microwave tubes that are factory matched in gain and phase.
Housed in a stylish contemporary cabinet, the unit is designed for benchtop use but can be removed from the cabinet for rack mounting. The Amplifier Research 200T18G26z5A 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. This sub-octave amplifier features moderate harmonic content.
Functions and Specificatios of the Amplifier Resesarch 200T18G26z5A TWT Amplifier Includes:
POWER (fundamental), CW, @ OUTPUT CONNECTOR
Nominal: 225 watts
Minimum: 200 watts
Linear @ 1 dB Compression: 50 watts minimum
FLATNESS: ± 10 dB maximum
FREQUENCY RESPONSE: 18 - 26.5 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 2.0:1 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: 0.1 microseconds min
Pulse Rate (PRF): 10 kHz max
Duty Cycle: Some restrictions apply. Contact AR with application
RF Rise and Fall: 100 ns max (10% to 90%)
Delay: 500 ns max from pulse input to RF90%
Pulse width distortion: 200 ns max (50% points of output pulse width
compared to 50% points of input pulse width)
Noise Power Density, (pulse off): Minus 140 dBm/Hz (typical)
Pulse Off Isolation:80 dB minimum, 90 dB typical
Pulse Input: TTL Level, 50 Ohm nominal termination, high level enables
RF when video pulsing mode is selected.
NOISE POWER DENSITY: Minus 70 dBm/Hz (maximum) Minus 75 dBm/Hz (typical)
HARMONIC DISTORTION: Minus 20 dBc maximum Minus 30 dBc typical
PRIMARY POWER: 190-260 VAC, 50/60 Hz single phase, 3 kVA maximum
RF input: Type K female on rear panel
RF output: Type WR-42 waveguide flange on rear panel
RF output sample ports: Type K female on rear panel
GPIB: IEEE-488 on rear panel
Interlock: DB-15 female on rear panel
Video: BNC female on rear panel
COOLING: Forced air (self contained fans), air entry and exit in rear
WEIGHT(approximate): 91 kg, 200 lbs
SIZE (W x H x D): 50.3 x 43 x 81 cm, 19.8 x 17 x 32 in.
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