Tektronix Encore

Amplifier Research 3000TP12G18
Microwave Amplifier, 12 - 18 GHz, 3000W

Amplifiers - RF and Microwave >> Above 1 GHz and 1000 Watt or More >> Microwave Amplifier, 12 - 18 GHz, 3000W
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Manufacturer: Amplifier Research
Model: 3000TP12G18

Amplifier Research 3000TP12G18 Microwave Amplifier, 12 - 18 GHz, 3000W

Electronic Test and Measurement Equipment

Amplifier Research 3000TP12G18 Microwave Amplifier, 12 - 18 GHz, 3000W Product Datasheet Download Product Datasheet

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Product Overview

Rent the Amplifier Research 3000TP12G18 TWT Amplifier (Call for Availability):


The Amplifier Research 3000TP12G18 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 provides a conservative 3000 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, 0dBm 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 switching mode power supplies results in significant weight reduction. Housed in a stylish contemporary cabinet, the amplifier 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 prime power, packaging, and special features. 


Functions and Specifications of the Amplifier Research 3000TP12G18 TWT Amplifier Includes:


POWER (Fundamental), Peak Pulse, @ Output

Nominal: 3800 watts

Minimum: 3000 watts


FLATNESS: ±10 dB maximum




INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum


GAIN (at maximum setting): 65 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 1000 watts. Will operate

without damage 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.

See S2M special option, if applicable.



Pulse Width: 0.07–50 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



(pulse on) Minus 55 dBm/Hz (maximum);

Minus 65 dBm/Hz (typical) (pulse off)

Minus 140 dBm/Hz (typical)


HARMONIC DISTORTION: Minus 8 dBc maximum


PRIMARY POWER: See Model Configurations



RF input: Type N female on rear panel

RF output: Type WR62 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.


SIZE: 50.3 x 26 x 69cm (19.8 x 10 x 27in)


WEIGHT: 52 kg (115 lbs)

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