Tektronix Encore

Amplifier Research 500T2G8
Microwave Amplifier, 2.5 - 7.5 GHz, 500W

Amplifiers - RF and Microwave >> Above 1 GHz and 1000 Watt or More >> Microwave Amplifier, 2.5 - 7.5 GHz, 500W
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Manufacturer: Amplifier Research
Model: 500T2G8


Electronic Test and Measurement Equipment

Amplifier Research 500T2G8 Microwave Amplifier, 2.5 - 7.5 GHz, 500W Product Datasheet Download Product Datasheet

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Product Overview

Rent Amplifier Researchc 500T2G8 TWT Amplifier (Call for Availability):


The Model 500T2G8 is a self-contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where instantaneous bandwidth and high gain are required. A reliable TWT provides a conservative 500 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 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, this unit is designed for benchtop use, but can be removed from the cabinet for rack mounting. The Model 500T2G8 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 500TP2G8 TWT Amplifier Include:


Power (fundamental), CW, @ Output Connector 

Nominal: 541 watts 

Minimum: 500 watts


Linear @ 1 dB Compression: 125 watts minimum


Flatness: ±8 dB maximum, equalized for ±5 dB

maximum at rated power



Frequency Response: 2.5 - 7.5 GHz instantaneously


Input For Rated Output: 1.0 milliwatt maximum


Gain (at maximum setting): 57 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 100 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 85 dBm/Hz (maximum)

Minus 95 dBm/Hz (typical)


Harmonic Distortion:

Minus 3dBc maximum,

Minus 3.5dBc typical


Cooling: Forced air (self contained fans),

air entry and exit in rear.


Weight and Size: See Model Configurations

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