| Topology | Buck Converter |
| Input voltage | 7.5 V |
| IC revision | 1.2 |
AN11022CLRC663 Quickstart GuideCLRC663 Quickstart GuideRev. 1.2 — 14 January 2015The RC663 evaluation reader is a contactless smartcard reader based on the RC663 reader IC.The Reader PCB is divided into 2 Parts, the general reader part and The Antenna and matching part:Table 3. PCB sectionsPCB SectionDescriptionGeneral reader part (Fig 5 lower figure)Includes Power supply, Rs232 Interface and RC663 related part also EMC filter for TX circuitAntenna and matching part (Fig 5 lower figure)Antenna matching (without EMC filter) with fully differential receiver circuit and PCB antenna coil
.Single 7.5 V external power supply