MC68HC908RF2 Datasheet, PDF (231/254 Pages) Motorola, Inc – HCMOS Microcontroller Unit

PLL Tuned UHF Transmitter Module
Application Information
A example of crystal reference is: Tokyo Denpa TTS-3B 13568.750 kHz,
see Table 16-4.
Table 16-4. Recommended Crystal Characteristics
(SMD Ceramic Package)
Parameter
Load capacitance
Motional capacitance
Static capacitance
Loss resistance
Value
Unit
20
pF
6.7
fF
2
pF
40
W
Table 16-5. Crystal Pulling Capacitor Value
versus Carrier Frequency Total Deviation
Carrier Frequency
(MHz)
434
868
Carrier Frequency
Total Deviation
(kHz)
40
70
100
80
140
200
Capacitor Value
(pF)
18
10
6.8
18
10
6.8
MC68HC908RF2 — Rev. 1
MOTOROLA
PLL Tuned UHF Transmitter Module
Advance Information
231