R&S®PKU100

Satellite uplink amplifier for the Ku-band

R&S®PKU100
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R&S®PKU100
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R&S®PKU100
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R&S®PKU100
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R&S®PKU100
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R&S®PKU100
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R&S®PKU100
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R&S®PKU100
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R&S®PKU100, Front view R&S®PKU100, Front High R&S®PKU100, Side view R&S®PKU100, Back view R&S®PKU100, Front High R&S®PKU100, Side view R&S®PKU100, Front High R&S®PKU100, Side view

Key facts

  • Frequency range 1 from 12.75 to 13.25 GHz
  • Frequency range 2 from 13.75 to 14.5 GHz
  • RF saturated Power 400 and 750 W as indoor and outdoor model
  • GaN technology
  • Unique adaptive linearization & Upconverter for L-band signals
  • 3 year 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 and 750 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. A high power amplifier producing 750 W saturated power in solid state technology offering such a compactness is uncomparable on the market.

R&S®PKU100, indoor version, 400 W
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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.

Adaptive linearization
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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.

Rear view of the R&S®PKU100, indoor version, 400 W
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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.

Efficiency of various amplifier types
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Efficiency of various amplifier types

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

Available models

Available models
Models
Frequency range
Enclosure type
Power class

R&S®PKU-I400

Order number 2510.7005.41

Frequency range
Frequency range 1 12.75 GHz to 13.25 GHz
Frequency range 2 13.75 GHz to 14.5 GHz
Enclosure type
Indoor
Power class
400 W

R&S®PKU-I750

Order number 2510.7005.81

Frequency range
Frequency range 1 12.75 GHz to 13.25 GHz
Frequency range 2 13.75 GHz to 14.5 GHz
Enclosure type
Indoor
Power class
750 W

R&S®PKU-O400

Order number 2510.8001.41

Frequency range
Frequency range 1 12.75 GHz to 13.25 GHz
Frequency range 2 13.75 GHz to 14.5 GHz
Enclosure type
Outdoor
Power class
400 W

R&S®PKU-O750

Order number 2510.8001.81

Frequency range
Frequency range 1 12.75 GHz to 13.25 GHz
Frequency range 2 13.75 GHz to 14.5 GHz
Enclosure type
Outdoor
Power class
750 W

Available options

Software options
Product
Description
R&S®PKU-K40

Order number 2510.9789.02

Description

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

R&S®PKU-K75

Order number 2510.9795.02

Description

Adaptive linearization for amplifier with L-band input

R&S®PKU-K01

Order number 2510.9772.02

Description

OCXO

Hardware options
Product
Description
R&S®PKU-B040

Order number 2510.9420.40

Description

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

R&S®PKU-B040

Order number 2511.6925.40

Description

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

R&S®PKU-B075

Order number 2510.9420.75

Description

Adaptive linearization for amplifier with Ku-band input, indoor model, 750 W

R&S®PKU-B075

Order number 2511.6925.75

Description

Adaptive linearization for amplifier with Ku-band input, outdoor model, 750 W

R&S®PKU-B200

Order number 2510.9420.02

Description

Upconverter for amplifier indoor with L-band input

R&S®PKU-B200

Order number 2511.6925.02

Description

Upconverter for amplifier 400 W outdoor with L-band input

R&S®PKU-B250

Order number 2511.6925.50

Description

Upconverter for amplifier with L-band input, outdoor model, 750 W

R&S®ZRK-SR

Order number 2510.9466.00

Description

RF sample ports, rear

R&S®ZRK-SF

Order number 2510.9437.00

Description

RF sample ports, front

R&S®PKX-B110

Order number 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

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