Note : Your request will be directed to Communications & Power Industries.

The K3U from Communications & Power Industries is a compact klystron high power amplifier that operates from 13.75 to 14.5 GHz in the Ku-band. This SATCOM amplifier delivers a gain of more than 80 dB with an klystron output power of up to 2.45 kW and has a VSWR of 2.0:1. It is ideal for Direct-to-Home service providers for uplink service, and is also very popular for other broadcasting applications.

The system has a separate drawers for the RF section and Power Supply that slide out from a standard rack. The RF drawer measures 19 x 21 x 28.75 inches and PS drawer measures 19 x 8.75 x 24 inches. It is available as single unit or in redundant or combined system configuration.

The amplifier meets International Safety Standard EN-60215, Electromagnetic Compatibility 2014/30/EU and Harmonic Standard EN-61000-3-2.

Product Specifications

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Product Details

  • Part Number
    K3U
  • Manufacturer
    Communications & Power Industries

General Parameters

  • Type
    Power Amplifier
  • Configuration
    System
  • Standards Supported
    Ku Band
  • Industry Application
    SATCOM
  • Frequency
    13.75 to 14.5 GHz
  • Gain
    80 dB
  • Small Signal Gain
    0.4 dB pk-pk
  • Gain Stability
    ±0.25 to ±1 dB
  • Output Power Limit
    63 to 63.9 dBm
  • Power Consumption
    11 kW to 10.9 W
  • VSWR
    2.00:1
  • Input VSWR
    1.30:1
  • Output VSWR
    1.35:1
  • Harmonics
    -80 dBc
  • Phase Noise
    -10 dB
  • AC Voltage
    Single phase, 200 to 208 VAC ±10% Frequency: 47 to 63 Hz
  • Package Type
    Benchtop / Rackmount
  • Dimensions
    19 x 21 x 28.75 in. (483 x 533 x 730 mm)
  • Connectors
    N Type, N Type - Female
  • Input Connector
    N Type - Female
  • Interface
    RS-232 and RS-422/485 (4-wire)
  • Weight
    190 lbs w/ klystron (86.4 kg)
  • Cooling Options
    Forced air with integral blower
  • Operating Temperature
    -10 to 50 Degree C
  • Waveguide
    WR-75

Technical Documents