TDA5220 Datasheet, PDF (21/44 Pages) Infineon Technologies AG – ASK/FSK Single Conversion Receiver

4 Applications
Contents of this Chapter
4.1 Choice of LNA Threshold Voltage and Time Constant . . . . . . . . . . . . 4-2
4.2 Data Filter Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.3 Quartz Load Capacitance Calculation . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4.4 Quartz Frequency Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4.5 Data Slicer Threshold Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.6 ASK/FSK Switch Functional Description . . . . . . . . . . . . . . . . . . . . . . 4-8
4.7 Principle of the Precharge Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11