Tektronix Encore

Amplifier Research 1500T8G18
Microwave Amplifier, 7.5 - 18 GHz, 1500W

Amplifiers - RF and Microwave >> Above 1 GHz and 1000 Watt or More >> Microwave Amplifier, 7.5 - 18 GHz, 1500W
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Manufacturer: Amplifier Research
Model: 1500T8G18

Amplifier Research 1500T8G18 Microwave Amplifier, 7.5 - 18 GHz, 1500W

Electronic Test and Measurement Equipment

Amplifier Research 1500T8G18 Microwave Amplifier, 7.5 - 18 GHz, 1500W Product Datasheet Download Product Datasheet

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Product Overview

Rent Amplifier Research 1500T8G18 TWT Amplifier (Call for Avaiability):


The Amplifier Research 1500T8G18 is a self-contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where instantaneous bandwidth, high gain, moderate harmonic levels, 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 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 500 watts (nominal) microwave amplifiers, each consisting of two TWTs, that are factory matched in gain and phase, resulting in an excellent combination of wide instantaneous bandwidth with improved harmonic levels. Shipped as two cabinets, this Amplifier Research model  includes castor wheels and lifting eyes on each cabinet to facilitate positioning the amplifier, and leveling feet to stabilize the unit during operation.


The Amplifier Research 1500T8G18 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 and Specifications of the Amplifier Research 1500T8G18 TWT Amplifier Includes:



Nominal: 2000 watts
Minimum: 1500 watts
Linear @ 1dB Compression: 375 watts minimum


FLATNESS: ±11 dB maximum, equalized for ±6 dB maximum at rated power


FREQUENCY RESPONSE: 7.5-18 GHz instantaneously


INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum


GAIN (at maximum setting): 62 dB minimum


GAIN ADJUSTMENT (continuous range): 35 dB mini- mum


INPUT IMPEDANCE: 50 ohms, VSWR 2.0:1 maximum


OUTPUT IMPEDANCE: 50 ohms, VSWR 2.5:1 typical


MISMATCH TOLERANCE: Output power fold back protection at reflected power exceeding 300 watts. Will operate without damage or oscillation with any magni- tude and phase of source and load impedance. May oscillate with unshielded open due to coupling to in- put. 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


COOLING: Forced air (self contained fans), air entry and exit in rear.


WEIGHT: 546 kg (1200 lb)


SIZE (W x H x D): Two cabinets, each 56 x 160 x 84 cm (22.1 x 63 x 33 in)



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