User's Manual

ACG HF Multi ISO RFID Reader V1.0
ACG Identification Technologies GmbH 41
11.1.5.2 Antenna
The typical antenna tuning and matching network is shown below. The external
antenna has to have the right inductance and a certain resistor and capacitor
combination for an optimized frequency tuning and antenna matching.
6
5
1
2
OEM Board
C1
C2
C3
C4
C5
L ANT
R1
More details about the antenna design are available in the ACGid antenna design
guide manual. This document can be downloaded from
www.acg-id.com
.
Please refer also to the specific application notes for the Philips reader IC (mifare
®
&
I-Code, Micore Reader IC family Directly Matched Antenna Design).
11.1.5.3 Serial Interface
The OEM Board can be connected directly with a micro controller. Alternatively the
OEM Board also can be connected to most serial interface types by using the right
interface converter circuit. In order to optimize the communication quality the specific
application note of the interface converter circuit needs to be taken into
consideration.
12
11
Interface
Converter
Circuit
Host Interface
OEM Board