TH7108 查看數據表（PDF） - Melexis Microelectronic Systems
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TH7108 Datasheet PDF : 14 Pages
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TH7108
868/915MHz
FSK/FM/ASK Transmitter
Document Content
1 Theory of Operation ...................................................................................................3
1.1 General............................................................................................................................... 3
1.2 Block Diagram .................................................................................................................... 3
2 Functional Description ..............................................................................................4
2.1 FSK Modulation .................................................................................................................. 4
2.2 Frequency Modulation ........................................................................................................ 4
2.3 ASK Modulation.................................................................................................................. 4
2.4 Mode Control Logic............................................................................................................. 4
3 Pin Definition and Description ..................................................................................5
4 Electrical Characteristics ..........................................................................................7
4.1 Absolute Maximum Ratings ................................................................................................ 7
4.2 Normal Operating Conditions.............................................................................................. 7
4.3 Crystal Parameters............................................................................................................. 7
4.4 DC Characteristics.............................................................................................................. 8
4.5 AC Characteristics.............................................................................................................. 8
4.6 Output Power Selection ...................................................................................................... 8
5 Test Circuit .................................................................................................................9
5.1 Test circuit component list (Fig. 2) ...................................................................................... 9
6 Spectrum Plots.........................................................................................................10
7 Package Information ................................................................................................12
8 Reliability Information..............................................................................................13
9 ESD Precautions ......................................................................................................13
10 Disclaimer .................................................................................................................14
3901007108
Rev. 008
Page 2 of 14
Data Sheet
May/03
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