Micro-Reader Demonstration Circuit - Texas Instruments 2000 Series Reference Manual

The Micro-reader module can be demonstrated using the circuit shown in
+ DC IN
10 µF
25V
DC IN
NB: For design-in we recommend the SIPEX SP232 for the
line driver chip to avoid potential interference problems.
SCBU027 – May 2000
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+5V +5V
L78M05CV
+
0.1 µF
RDEN
CRDM
WLSC
0V
Figure B-1. Micro-reader Demonstration Circuit
Demonstration Circuit
ANTENNA
10 µF
25V
24 22 19 16
0V
MICROREADER
5
2
6
29
26
30
27
1
21 15 25
3 2 1
Appendix B
SCBU027 – May 2000
Figure B-1.
+ 10 µF
25V
+
16 2
12
1
+
10 µF
11
25V
3
4
+
10 µF
25V
13
5
14 15 6
10 µF
25V
+
RS 232C
Demonstration Circuit 43