TDA7100 Datasheet, PDF (39/41 Pages) Infineon Technologies AG – 434 MHz ASK/FSK Transmitter in 10-pin Package

TDA7100
List of Figures
Page
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
IC Pin Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power mode control circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ASK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
FSK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Alternative ASK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Alternative FSK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
50 Ohm-output testboard schematic . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Top Side of TDA7100-Testboard with 50 Ohm-Output . . . . . . . . . . . . 20
Bottom Side of TDA7100-Testboard with 50 Ohm-Output. . . . . . . . . . 20
Stripline-antenna testboard schematic. . . . . . . . . . . . . . . . . . . . . . . . . 23
Top Side of TDA7100-Testboard with Stripline-Antenna . . . . . . . . . . . 24
Bottom Side of TDA7100-Testboard with Stripline-Antenna . . . . . . . . 24
Application Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
FSK Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Equivalent power amplifier tank circuit. . . . . . . . . . . . . . . . . . . . . . . . . 30
Output power Po (mW) and collector efficiency E vs. load resistor RL. 31
PG-TSSOP-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Data Sheet
39
V 1.0, 2007-05-02