Справочник Пользователя для Atmel ATAK2270
Description of the Application Board System
RFID Application Kit ATAK2270 User Manual
3-5
4871E–RFID–04/08
3.3.3.5
Capacitors
CANT1
1.8 nF II 120 to 180 pF/100V
COG
CANT2
330 (270) pF/100V
COG
radial
CTUNE1
150 pF/100V
COG
0805
CTUNE2
330 pF/100V
COG
0805
C3
10 µF/16V
radial
C4
22 µF/16V
radial
C5
22 µF/16V
radial
C6
220 nF
0805
C7
6.8 nF/100V
0805
C8
2.2 nF/100V
0805
C9
4.7 nF
0805
3.3.3.6
Miscellaneous
SUB-D 9-pole socket
3-pole connector for coil
Gold-pin block for jumper (1
×
3-pole)
2 gold-pin block 1
×
18-pole (used for pin connector to the main board)
The antenna coil included in the kit measures the following parameters related to 125 kHz:
Inductance
L = 700 µH
Coil diameter
d = 100 mm
Winding number
n = 60
Wire diameter
d
w
= 0.25 mm