srix4k STMicroelectronics, srix4k Datasheet - Page 43

• Manufacturer Part Number: srix4k
• Description: 13.56mhz Short Range Contactless Memory Chip With 4096 Bit Eeprom, Anti-collision And Anti-clone Functions
• Manufacturer: STMicroelectronics

SRIX4K
Figure 53. A4 antenna specification
Table 11.
Symbol
F
NOM
A1
B1
P
Q
A
B
A
Coil width
Coil length
Inlay width
Inlay length
Overall thickness of copper antenna coil
Silicon thickness
Unloaded Q value
Unloaded free-air resonance
H-field energy for device operation
A4 antenna specification
Parameter
B1
B
A A1
Type
14.5
110
180
15
15
19
19
30
123.5
14.5
14.5
18.5
18.5
Min
165
1.5
90
Package mechanical
AI07696B
Max
15.5
15.5
19.5
19.5
130
195
dbµA/m
MHz
Unit
A/m
mm
mm
mm
mm
µm
µm
43/50