Device with Shared Power Amplifiers, For Use in a Wireless Telecommunications System

Device with Shared Power Amplifiers, For Use in a Wireless Telecommunications System

The invention discloses a device (300, 400) for a wireless telecommunications system, comprising a first plurality of power amplifiers (341-344, 450), each with an input and an output port. The device also comprises means (350, 440) for distributing a second plurality of input signals over the input...

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Hauptverfasser: PETERSSON SVEN, ENGSTROEM ULRIKA, JOHANSSON MARTIN
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Sprache:eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator PETERSSON SVEN
ENGSTROEM ULRIKA
JOHANSSON MARTIN
description The invention discloses a device (300, 400) for a wireless telecommunications system, comprising a first plurality of power amplifiers (341-344, 450), each with an input and an output port. The device also comprises means (350, 440) for distributing a second plurality of input signals over the input ports of the first plurality of power amplifiers, and means (330) for recreating a power amplified replica of said second plurality of input signals at the output ports of said first plurality of power amplifiers (341-344, 450). The device (300, 400) is fed with the second plurality of input signals with a phase and amplitude distribution between the input signals, and comprises tapering means (360, 361-364, 430) arranged to alter the phase and/or amplitude distribution of the input signals before being input to the distribution means (350, 440), as well as means (320) for reverse tapering at the output of the device.
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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title Device with Shared Power Amplifiers, For Use in a Wireless Telecommunications System
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