Rent Amplfier Research 1000T8G18B TWT Amplifier (Call for Availability):
The Amplifier Research 1000T8G18B 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 1000 watts minimum at the amplifier output connector over most of the frequency range. 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, 0 dBm input, VSWR protection, gain control, 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 four 300 watts (nominal) microwave tubes that are factory matched in gain and phase to offer moderate harmonic levels without added filters. Amplifier includes wheels, leveling feet and hooks for lifting. The Amplifier Research 1000T8G18B 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. Unit is CE marked to comply with EMC European Directive 89/336/EEC for operation inside a shielded room. Refer to the Amplifier Research Configuration Chart for alternative configurations and special features.
Functions and Specifications of the Amplifier Research 1000T8G18B Includes:
POWER (fundamental) , CW, @ OUTPUT CONNECTOR
Nominal: 1100 watts
Minimum: 1000 watts 7.5-17 GHz, 925 watts 17-18 GHz
Linear @ 1dB Compression: 250 watts minimum
FLATNESS: ±11 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 2.0:1 maximum
OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical
MISMATCH TOLERANCE: Output power foldback protection at
reflected power exceeding 200 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: Minus 70 dBm/Hz (maximum)
Minus 72 dBm/Hz (typical)
HARMONIC DISTORTION: Minus 20 dBc maximum,
Minus 27 dBc typical
PRIMARY POWER: See Model Configurations
CONNECTORS:
RF input: Type N female
RF output: Type WRD 750D24 waveguide flange on rear panel
RF output sample ports (forward and reflected): Type N female
GPIB: IEEE-488 female
Interlock: DB-15 female on rear panel
COOLING: Forced air (self contained fans), air entry and exit in rear.
WEIGHT (approximate) : 295 kg (650 lb)
SIZE (WxHxD): 56 x 160 x 82.3 cm (22.1 x 63 x 32.4 in)
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