R&S®PKU100

Satellite uplink amplifier for the Ku-band

R&S®PKU100 solid-state power amplifier
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R&S®PKU100 - 400 W indoor, front view
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R&S®PKU100 - 400 W indoor, side view
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R&S®PKU100 - 400 W outdoor, front view
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R&S®PKU100 - 400 W outdoor, side view
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R&S®PKU100 solid-state power amplifier R&S®PKU100 - 400 W indoor, front view R&S®PKU100 - 400 W indoor, side view R&S®PKU100 - 400 W outdoor, front view R&S®PKU100 - 400 W outdoor, side view

Key facts

  • Frequency range from 13.75 GHz to 14.5 GHz
  • RF peak power 400 W as indoor and outdoor model
  • GaN technology
  • Adaptive linearization
  • Upconverter for L-band input
  • R&S broadcast & media | 3 years warranty extension

Unique signal quality and efficiency in compact, lightweight design

The R&S®PKU100 is a family of solid-state power amplifiers for the Ku-band with a peak power of 400 W. It features top-notch efficiency in an extremely compact design. The powerful optional adaptive linearization improves the RF parameters in a manner never before available. This amplifiers thus combines the advantages of solid-state and tube-based amplifiers.

Features & benefits

Compact and lightweight

Both indoor and outdoor model

The 400 W indoor model weighs just 18.3 kg, including the power supply, and requires only 3 RU of rack space.

The rugged and weatherproof outdoor model complies with IP65, weighs just 23 kg and can be mounted directly on the antenna.

Comparable solid-state amplifiers usually weigh twice as much.

PKU100 satellite uplink amplifier
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R&S®PKU100, indoor version, 400 W

The R&S®PKU100 fits into 3 HU rack space and weighs just 18.3 kg

Adaptive linearization

Unparalleled spectral purity

This high-power amplifier is the only one that offers adaptive linearization within the Ku-band frequency. This is essential to minimize intermodulation products and optimize power efficiency.

No user interaction or adjustment is required, as the linearizer adapts to provide the best signal performance. This feature significantly improves transmission quality, especially for higher order modulation schemes.

PKU100 satellite uplink amplifier
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Adaptive linearization

Spectrum and EVM and/or MER without (left) and with adaptive linearization (right) for a 64APSK modulation.

Flexible power supply possibilities

Power supply redundancy

The amplifier can optionally be fitted with redundant power supplies. Those power supplies can even be fed from different power sources. This ensures high availability even when power networks are down or power modules have failed.

The indoor model supports hot-swappable power supplies and the outdoor model offers easy replaceable power modules.

Another unique feature is that the R&S®PKU100 can be operated with 48 V DC power, which could be advantageous for mobile installations.

PKU100 satellite uplink amplifier
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Rear view of the R&S®PKU100, indoor version, 400 W

The redundant power supply can be switched easily during operation

Power efficiency comparable to tube amplifiers

Power efficiency > 20 %

Thanks to the innovative solid-state design, the amplifier is highly efficient and reaches values similar to traveling wave tube amplifiers (TWTA).

The 400 W model, for example, requires only 1300 W mains power to produce 180 W RF average power.

PKU100 satellite uplink amplifier
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Efficiency of various amplifier types

The diagram shows the typical efficiency of currently available amplifiers and compares SSPA with TWTA.

Verfügbare Modelle

Verfügbare Modelle

  • Model name

    R&S®PKU-I400B

    Bestellnummer 2510.7005.42

    Frequency range
    13.75 GHz to 14.5 GHz
    Enclosure type
    Indoor
    Power class
    400 W
  • Model name

    R&S®PKU-O400B

    Bestellnummer 2510.8001.42

    Frequency range
    13.75 GHz to 14.5 GHz
    Enclosure type
    Outdoor
    Power class
    400 W

Verfügbare Optionen

Software options
Produkt Beschreibung

R&S®PKU-K40

Bestellnummer 2510.9789.02

Description

Adaptive linearization for amplifier with L-band input

R&S®PKU-K40

Bestellnummer 2510.9789.02

Description

Adaptive linearization for amplifier 400 W outdoor with L-band input

R&S®PKU-K01

Bestellnummer 2510.9772.02

Description

OCXO

Hardware options
Produkt Beschreibung

R&S®PKU-B200

Bestellnummer 2510.9420.02

Description

Upconverter for amplifier indoor with L-band input

R&S®PKU-B200

Bestellnummer 2511.6925.02

Description

Upconverter for amplifier 400 W outdoor with L-band input

R&S®PKU-B040

Bestellnummer 2510.9420.40

Description

Adaptive linearization for amplifier 400 W indoor with Ku-band input

R&S®PKU-B040

Bestellnummer 2511.6925.40

Description

Adaptive linearization for amplifier 400 W outdoor with Ku-band input

R&S®ZRK-SR

Bestellnummer 2510.9466.00

Description

RF sample ports, rear

R&S®ZRK-SF

Bestellnummer 2510.9437.00

Description

RF sample ports, front

R&S®PKX-B110

Bestellnummer 2510.9495.02

Description

Air filter

Further information

Quo Vadis? Amplifiers for SAT uplinks – white paper

Many of the current high-power Ku-band amplifiers are tube-based, and high-power amplifiers with transistors are just now becoming available. Read more in our White Paper "Quo Vadis? Amplifiers for SAT uplinks – TWTA vs. SSPA – What is the future?"

Download now

The Future of Satellite Up-Link Amplifiers – webinar

In this webinar we debate the pros & cons of different types of satellite up-link amplifiers and what current challenges the market is going through, plus key insights into future trends.

More information

Satellite uplink monitoring | Rohde & Schwarz

Interested in solutions for satellite uplink monitoring?

Check out these communication system monitoring (CSM) tools that will help you maintain the highest signal quality.

More information

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