WAVE-SHAPING FOR OVER- AND UNDERSHOOT PREVENTION

A transmitter (1; 21) to transmit an amplitude modulated data signal (2) in an RF-Field (3) over the air to a receiver (4) of an RFID communication system (5; 22) which transmitter (1; 21) comprises:a wave generator (6) to generate a carrier signal (7) with a particular frequency and waveform;a modu...

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Bibliographic Details
Main Authors JONGSMA, Jakob, PIEBER, Michael
Format Patent
LanguageEnglish
Published 16.06.2022
Subjects
AMPLIFIERS
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:A transmitter (1; 21) to transmit an amplitude modulated data signal (2) in an RF-Field (3) over the air to a receiver (4) of an RFID communication system (5; 22) which transmitter (1; 21) comprises:a wave generator (6) to generate a carrier signal (7) with a particular frequency and waveform;a modulation stage (15) to modulate the carrier signal (7) in relation to a data signal to be transmitted;an antenna (11) connected to the modulation stage (15) or wave generator (6) via an amplifier (9) and a matching circuit (10) to transmit the amplitude modulated data signal (2) in the RF-Field (3) over the air,characterized in that the transmitter (1; 21) furthermore comprises:a shape stage (16) connected to the wave generator (6) to select the waveform of the carrier signal (7) depending directly or indirectly on the data signal.
Bibliography:Application Number: US202117502881