Radio station for transmitting signals

Radio station for transmitting signals

The invention relates to a radio station for transmitting signals. An antenna of a transmitter of the radio station is matched to an output impedance of a power amplifier by adding an impedance with a variable reactance. A processor adjusts the variable reactance of the impedance according to an out...

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Hauptverfasser: JAGIELSKI, OLE, MADSEN, ULRIK RIIS
Format: Patent
Sprache:eng ; fre ; ger
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ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
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creator JAGIELSKI, OLE
MADSEN, ULRIK RIIS
description The invention relates to a radio station for transmitting signals. An antenna of a transmitter of the radio station is matched to an output impedance of a power amplifier by adding an impedance with a variable reactance. A processor adjusts the variable reactance of the impedance according to an output signal of the power amplifier. The impedance with the variable reactance consists either of a plurality of inductors and capacitors or of variable inductors and capacitors or of a plurality of microstrip lines. The processor calculates an optimum value for the variable reactance according to a measurement of the output signal of the power amplifier and stores those values for those measured values. In this way, a table is created, so that when the output signal is again measured the processor can use this table to determine which variable reactance will lead to impedance matching.
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
title Radio station for transmitting signals
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