ATA8403_14 Datasheet, PDF (8/13 Pages) ATMEL Corporation – UHF ASK/FSK Industrial Transmitter

Figure 4-4. FSK Application Circuit
S1 _BPXY
S2 _BPXY
ATARx9x
BPXY
OSC1
7
VDD
VS
1
VSS
20
BP42/T2O
18
BPXY
Atmel
ATA8403
CLK
f
1
4
PA_ENABLE
2
Power up/down
f
64
PDF
Loop
Antenna
CP
C2
ANT2
3
C1
LF
ANT1
PA
4
L1
VCO
PLL
VS
Figure 4-5. ESD Protection Circuit
VS
CLK
PA_ENABLE
ANT1
ANT2
ENABLE
8
GND
7
C3
VS
6
VS
XTO
XTAL
5
C5
XTAL
C4
XTAL
ENABLE
GND
8
ATA8403 [DATASHEET]
4983E–INDCO–07/14