ATA5771_09 ATMEL [ATMEL Corporation], ATA5771_09 Datasheet - Page 35

• Manufacturer Part Number: ATA5771_09
• Description: Microcontroller with UHF ASK/FSK Transmitter
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 4-4.
8
T5753
FSK Application Circuit
Antenna
Loop
C2
L1
C1
S1
S2
PA_ENABLE
VS
BPXY
BPXY
BPXY
OSC1
ANT2
ANT1
CLK
7
1
2
3
4
T5753
ATARx9x
PA
f
4
PLL
Power up/down
VCO
PDF
f
CP
LF
32
XTO
20
18
1
8
7
6
5
VDD
VSS
BP42/T2O
BPXY
ENABLE
GND
VS
XTAL
C3
VS
VS
XTAL
C5
C4
4510J–RKE–12/08