Chip card communication arrangement and chip card communication circuit
First Claim
Patent Images
1. A chip card communication arrangement comprising:
- a matching network; and
a chip card communication circuit comprisinga first matching network terminal and a second matching network terminal;
a receiver coupled to the matching network via the at least one matching network terminal; and
an active transmitter coupled to the matching network via the at least one matching network terminal,wherein the matching network comprises a first capacitor coupled in parallel to the antenna and a second capacitor directly connected serially between the antenna and the at least one matching network terminal and wherein the matching network comprises a third capacitor directly connected serially between the antenna and the second matching network terminal.
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Abstract
According to an embodiment, a chip card communication arrangement is provided comprising a matching network and a chip card communication circuit comprising at least one matching network terminal, a receiver coupled to the matching network via the at least one matching network terminal and an active transmitter coupled to the matching network via the at least one matching network terminal.
5 Citations
16 Claims
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1. A chip card communication arrangement comprising:
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a matching network; and a chip card communication circuit comprising a first matching network terminal and a second matching network terminal; a receiver coupled to the matching network via the at least one matching network terminal; and an active transmitter coupled to the matching network via the at least one matching network terminal, wherein the matching network comprises a first capacitor coupled in parallel to the antenna and a second capacitor directly connected serially between the antenna and the at least one matching network terminal and wherein the matching network comprises a third capacitor directly connected serially between the antenna and the second matching network terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A chip card communication arrangement comprising:
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a matching network; and a chip card communication circuit comprising a first matching network terminal and a second matching network terminal; a receiver coupled to the matching network via the at least one matching network terminal, the receiver comprising a control loop configured to generate a peak voltage controlled signal from a signal supplied by the matching network to the receiver; and an active transmitter coupled to the matching network via the at least one matching network terminal, wherein the matching network comprises; a first capacitor coupled in parallel to the antenna, a second capacitor coupled serially between the antenna and the at least one matching network terminal, and a third capacitor coupled serially between the antenna and the second matching network terminal.
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Specification