RFPIC12C509AG Datasheet, PDF (36/104 Pages) Microchip Technology – 18/20-Pin 8-Bit CMOS Microcontroller with UHF ASK/FSK Transmitter

rfPIC12C509AG/509AF
FIGURE 7-1:
rfPIC12C509AG/509AF TRANSMITTER BLOCK DIAGRAM
RFENIN
CLKOUT
PS/DATAASK
Mode
Control
Logic
Divide
by 4
DATAFSK
FSK Switch
rfPIC12C509AF Only
FSKOUT
Crystal
Oscillator
XTAL
Fixed Divide
by 32
Phase Frequency
Detector
and
Charge Pump
LF
Voltage
Controlled
Oscillator
(VCO)
Power
Amplifier
(PA)
ANT2 ANT1
DS70031A-page 34
Preliminary
© 2001 Microchip Technology Inc.