TDA7100 Datasheet, PDF (17/41 Pages) Infineon Technologies AG – 434 MHz ASK/FSK Transmitter in 10-pin Package

TDA7100
Functional Description
2.4.5 Recommended Timing Diagrams for ASK- and FSK-Modulation
ASK Modulation using FSKDTA and ASKDTA, PDWN not connected
Modes:
Power Down
PLL Enable
Transmit
High
FSKDTA
Low
Open, High
ASKDTA
Low
to
to
min. 1 msec.
t
DATA
t
Figure 4 ASK Modulation
FSK Modulation using FSKDTA and ASKDTA, PDWN not connected.
Modes:
Power Down
PLL Enable
High
FSKDTA
Low
to
High
ASKDTA
Low
to
Figure 5 FSK Modulation
min. 1 msec.
Transmit
DATA
t
t
Data Sheet
17
V 1.0, 2007-05-02