EVB72013 Datasheet, PDF (2/13 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

EVB72013
433MHz
FSK/ASK Transmitter
6. Document Content
1. Features ..........................................................................................................................................................................................1
2. Ordering Information........................................................................................................................................................................1
3. Application Examples ......................................................................................................................................................................1
4. Evaluation Board Example...............................................................................................................................................................1
5. General Description.........................................................................................................................................................................1
6. Document Content...........................................................................................................................................................................2
7. Theory of Operation.........................................................................................................................................................................3
7.1 General...................................................................................................................................................................................3
7.2 Block Diagram ........................................................................................................................................................................3
8. Functional Description .....................................................................................................................................................................4
8.1 Crystal Oscillator.....................................................................................................................................................................4
8.2 FSK Modulation ......................................................................................................................................................................4
8.3 Crystal Pulling.........................................................................................................................................................................4
8.4 ASK Modulation ......................................................................................................................................................................5
8.5 Output Power Selection ..........................................................................................................................................................5
8.6 Lock Detection ........................................................................................................................................................................5
8.7 Low Voltage Detection ............................................................................................................................................................5
8.8 Mode Control Logic.................................................................................................................................................................6
8.9 Timing Diagrams.....................................................................................................................................................................6
9. 50Ω Connector Board Circuit Diagram.............................................................................................................................................7
9.1 Board Component Values to Fig. 7 .........................................................................................................................................7
9.2 50Ω Connector Board PCB Top View .....................................................................................................................................8
9.3 Board Connection ...................................................................................................................................................................8
9.4 Evaluation Board Layouts .......................................................................................................................................................9
9.5 Board Variants ........................................................................................................................................................................9
10. Package Description .................................................................................................................................................................10
10.1 Soldering Information............................................................................................................................................................10
11. Standard information regarding manufacturability of Melexis products with different soldering processes .................................11
12. ESD Precautions.......................................................................................................................................................................11
13. Your Notes ................................................................................................................................................................................12
15. Disclaimer .................................................................................................................................................................................13
16. Contact Information...................................................................................................................................................................13
39012 7201301
Rev. 004
Page 2 of 12
EVB Description
Nov/15