Datasheet

APPLICATION SPECIFICATION
REVISION:
ECR/ECN INFORMATION:
TITLE:
Rectangular Standard NFC Antenna
Application Specification
SHEET No.
B1
EC No:
626150
7 of 21
DATE:
2019/10/23
DOCUMENT NUMBER:
CREATED / REVISED BY:
CHECKED BY:
APPROVED BY:
AS-1462360001
Liu Hai 2019/10/17
Cheng Kang 2019/10/17
Stary Song 2019/10/17
TEMPLATE FILENAME: APPLICATION_SPEC[SIZE_A](V.1).DOC
Part No.
1462360101
1462360111
1462360121
1462360131
1462360151
Material
With Ferrite
Antenna Type
Near-field coupling
Operating
Frequency
13.56MHz
La
3.1uH
3.0uH
3.8uH
3.5uH
2.1uH
Ra
5.1Ω
5.2Ω
6.2Ω
5.7Ω
3.6Ω
Ca
1.3 pF
1.8 pF
3.0 pF
3.7 pF
1.0 pF
Fra.
80.1MHz
70.7MHz
48.7MHz
45.8MHz
109.0MHz
Q
51.8
48.5
52.4
52.5
50.4
Part No.
1462362102
1462362111
1462362122
1462362131
1462362151
Material
With Ferrite and twisted pair
Antenna Type
Near-field coupling
Operating
Frequency
13.56MHz
La
3.3uH
3.3uH
4.2uH
4.1uH
2.4uH
Ra
6.0Ω
5.3Ω
6.3Ω
7.8Ω
5.1Ω
Ca
4.9 pF
5.3 pF
6.0 pF
7.9 pF
5.2 pF
Fra
41.8MHz
40.2MHz
34.3MHz
31.0MHz
46.8MHz
Q
46.8
53.5
56.8
44.2
40.6
FIGURE4.2 ANTENNA EQUIVALENT CIRCUIT
Fra: Self-resonance frequency of the antenna
Rp: Parallel resistance @ self-resonance frequency
Q: Quality factor