EINSTELLSCHALTUNG

An adjusting circuit for adjusting an amplitude of a radio frequency signal is disclosed. The adjusting circuit includes a plurality of terminals for input and output, a matching component having an effect on matching a signal input and a signal output to and from the terminals. The adjusting circui...

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Bibliographische Detailangaben
Hauptverfasser:	KURTTIO, PASI, OILINKI, TERO, KOUKKARI, EERO
Format:	Patent
Sprache:	ger
Schlagworte:	AMPLIFIERS ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS MODULATION RESONATORS RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE TRANSMISSION WAVEGUIDES
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Beschreibung
Zusammenfassung:	An adjusting circuit for adjusting an amplitude of a radio frequency signal is disclosed. The adjusting circuit includes a plurality of terminals for input and output, a matching component having an effect on matching a signal input and a signal output to and from the terminals. The adjusting circuit also includes at least one adjustable resistance unit between the matching component and ground for changing a resistance of the input and the output of at least one terminal of the amplitude adjusting circuit. The adjusting circuit for adjusting an amplitude of a signal also may include a plurality of terminals for input and output, at least one pair of adjustable impedance units. Each pair of the adjustable impedance units is placed between a pair of input and output terminals. Each of the adjustable impedance units is coupled in parallel between a signal line and ground, and the impedance units of each pair have complementary reactances with respect to each other.