EVB71121 Datasheet, PDF (2/18 Pages) Melexis Microelectronic Systems – 300 to 930MHz Receiver Evaluation Board Description

EVB71121
300 to 930MHz Receiver
Evaluation Board Description
Document Content
1 Theory of Operation ...................................................................................................3
1.1 General............................................................................................................................. 3
1.2 Technical Data Overview.................................................................................................. 3
1.3 Block Diagram .................................................................................................................. 4
1.4 Operating Modes .............................................................................................................. 5
1.5 Frequency Range ............................................................................................................. 5
1.6 LNA Selection................................................................................................................... 5
1.7 Demodulation Selection.................................................................................................... 5
1.8 Data Slicer ........................................................................................................................ 5
2 Frequency Planning ...................................................................................................6
2.1 Calculation of Frequency Settings.................................................................................... 7
2.2 Standard Frequency Plans ............................................................................................... 8
PRELIMINARY ^{2.3 433/868MHz Frequency Diversity .................................................................................... 8}
3 Dual-Channel Application Circuits for FSK & ASK Reception ...............................9
3.1 Peak Detector Data Slicer ................................................................................................ 9
3.1.1 Component Arrangement Top Side (Peak Detection Data Slicer) ............................................ 10
3.2 Averaging Data Slicer Configured for-Bi Phase Codes .................................................. 11
3.2.1 Component Arrangement Top Side (Averaging Data Slicer) .................................................... 12
3.3 Component List for Antenna Space Diversity ................................................................. 13
3.4 PCB Layouts for Antenna Space Diversity ..................................................................... 14
4 Board Variants..........................................................................................................14
5 Package Description ................................................................................................15
5.1 Soldering Information ..................................................................................................... 15
6 Reliability Information .............................................................................................16
7 ESD Precautions ......................................................................................................16
8 Disclaimer .................................................................................................................18
39012 71121 01
Rev. 003
Page 2 of 18
EVB Description
Jan/08