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TDA5103 Datasheet(PDF) 8 Page - Infineon Technologies AG

Part No. TDA5103
Description  ASK Transmitter 345 MHz
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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 8 page
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3
Functional Description
3.1
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.2
Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.3
Functional Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.4
Functional Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.4.1
PLL Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.4.2
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.4.3
Power Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.4.4
Low Power Detect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.4.5
Power Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.4.5.1 Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.4.5.2 PLL Enable Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.4.5.3 Transmit Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.4.5.4 Power mode control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.4.6
Recommended timing diagram for ASK-Modulation . . . . . . . . . . . 3-10
Contents of this Chapter




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