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1500T8G18 Image

The 1500T8G18 from AR RF/Microwave Instrumentation is a self-contained, broadband traveling wave tube (TWT) microwave amplifier that operates from 7.5 to 18 GHz. It delivers a CW power of more than 1500 W with a gain of more than 62 dB and has a VSWR of under 2.5:1. The rated power is developed by efficiently power combining the outputs from four 500 W (nominal) microwave amplifiers, each consisting of two TWTs, that are factory matched in gain and phase. It can reproduce AM, FM, or pulse modulation appearing on the input signal. The amplifier has a harmonic distortion of less than -20 dBc and a maximum noise power density of -70 dBm/Hz.

The amplifier’s front panel digital display shows forward and reflected output along with 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 and monitoring of TWT helix current, cathode voltage, collector voltage, heater current, heater voltage, baseplate temperature and cabinet temperature.

The 1500T8G18 is available in two cabinets, each measuring 56 x 160 x 84 cm with an N-type (female) input connector and WRD –750D2 output waveguide flange. It is suitable for test and measurement, (including EMC RF susceptibility testing), industrial and academic R&D applications. The modular design of the power supply and RF components allow for easy access and repair.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    AR RF/Microwave Instrumentation
  • Description
    1500 W TWT Microwave Amplifier from 7.5 to 18 GHz

General Parameters

  • Type
    Travelling Wave Tube Amplifier
  • Configuration
  • Industry Application
    Test & Measurement
  • Frequency
    7.5 to 18 GHz
  • Gain
    62 dB
  • Gain Flatness
    ±11 dB
  • Output Power
    63.01 dBm
  • Output Power
    1500 to 2000 W
  • P1dB
    55.74 dBm
  • P1dB
    375 W
  • Impedance
    50 Ohms
  • Pulsed/CW
  • Modulation
    AM, FM, Pulse
  • VSWR
  • Harmonics
    27 dBc
  • AC Voltage
    360 to 435 V
  • Dimensions
    56 x 160 x 84 cm (22.1 x 63 x 33 in)
  • Connectors
    N Type - Female, N Type
  • Input Connector
    N Type - Female (Rear Panel)
  • Output Connector
    Type WRD –750D24 (Rear Panel)
  • Weight
    546 kg (1200 lb)
  • Waveguide

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