tk5561a ATMEL Corporation, tk5561a Datasheet - Page 9

• Manufacturer Part Number: tk5561a
• Description: Read/write Crypto Transponder For Short Cycle Time
• Manufacturer: ATMEL Corporation

12. Application
Figure 12-1. Complete Transponder System with the U2270B Read/Write IC
4682D–RFID–09/06
C31
5V
470 k
47 nF
1.5 nF
Transponder
TK5561A-PP
4.7 k
e5561A
1N4148
1.35 mH
22 µF
680 pF
1.2 nF
R
Input
COIL2
COIL1
V
DV
Batt
DGND
S
Read/Write
V
circuit
EXT
U2270B
Standby
GND
Output
V
f res
Gain
CFE
S
MS
OE
RF
=
2
100 nF
1
110 k
LC
=
125
I/O
I/O
I/O
I/O
I/O
kHz
controller
Micro-
V
V
SS
DD
5V
OSC
OSC
TK5561A-PP
32 kHz
9