Tektronix Encore


Applied Systems Engineering 176X/KU
Microwave TWT Pulsed Amplifier, 8 - 18 GHz, 1000W

Amplifiers - RF and Microwave >> Above 1 GHz and 1000 Watt or More >> Microwave TWT Pulsed Amplifier, 8 - 18 GHz, 1000W
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Manufacturer: Applied Systems Engineering
Model: 176X/KU

Applied Systems Engineering 176X/KU Microwave TWT Pulsed Amplifier, 8 - 18 GHz, 1000W

Electronic Test and Measurement Equipment

Applied Systems Engineering 176X/KU Microwave TWT Pulsed Amplifier, 8 - 18 GHz, 1000W Product Datasheet Download Product Datasheet

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Product Overview


Applied Systems Engineering has introduced the modern state-of-the-art Model 176X/Ku TWT Pulse Amplifier. The 176X/Ku provides up to 2 Kilowatts at duty cycles up to 6% from 1.0 to 18 GHz and pulse widths up to 100 µseconds. The Model 176 TWT Amplifier has been designed specifically to operate pulsed traveling wave tubes in the 1 to 2kW peak power range at frequencies up to 18 GHz. Particular emphasis has been placed on the generation of the output RF pulse shape without the use of RF switches. Pulse width control is with an external pulse.

Internal power supplies are DC-DC converter designs with fast loop response times so that output level variations are minimal for any PRF (Pulse Repitition Frequency) including a non-periodic or burst type PRF. The modular power supplies and grid pulse generator have very low ripple, with attendant low phase noise in the TWT Amplifier.

The modular design of the Model 176 provides convenient accessibility to all elements in the TWT Amplifier. Plug-in PC boards are accessible through the front panel. The PC card cover contains a legend for PC card located test points and controls. High voltage modules are encapsulated, plug-in assemblies. There is no exposed high voltage. Most modules are interchangeable between all units regardless of frequency.

Features and specifications of the 176X/Ku TWT Amplifier include:

  • Frequency 1 to 18 GHz Octave / Multioctave
  • Low Spurious Outputs
  • Phase and Amplitude Stability
  • Complete TWT Protection
    • Pulse Input Protection
    • Helix Overcurrent
    • Cathode Over/Undervoltage
    • Collector Overvoltage
    • Filament Low Voltage
    • Overtemperature
    • Input Energy Limit
    • Reverse Power Monitor
  • Custom Requirements
  • Solid State Except for the TWT
  • Front Panel Voltage Adjustments
  • Front Panel Fault Isolation
  • Modular Construction
  • DC TWT Filaments
  • Four Line Display
    • Operating Mode
    • Cathode Voltage
    • Collector Voltage
    • Helix Current
    • Filament and Operate Time
  • Front Panel Controls
    • Power On / Off
    • Operate
    • Standby
    • Fault Reset
    • Local / Remote



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Carlsbad, CA

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For the first time in a long time, can I just say thanks for the excellent unit you sold me even better than the one in the picture. Fantastic to deal with a honest human for a change.

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