MC33493 Motorola, MC33493 Datasheet - Page 16

• Manufacturer Part Number: MC33493
• Description: PLL tuned UHF Transmitter for Data Transfer Applications
• Manufacturer: Motorola

Note that for 868MHz band application, the input pin BAND must be wired to ground. See component description
on table 5.
Figure 15 gives the corresponding PCB layout.
COMPLETE APPLICATION SCHEMATIC AND PCB FOR FSK MODULATION
16
Figure 14: .Application schematic for FSK modulation, serial configuration, 434MHz frequency band
Component
R1
C3
C4
C2
C6
Y1
Power supply decoupling
Table 5: External components description for FSK
RF output level setting
Crystal load capacitor
Freescale Semiconductor, Inc.
resistor (R
For More Information On This Product,
Function
capacitor
Crystal
MC33493 Technical Data
ext
Go to: www.freescale.com
)
434MHz band: 13.56,
868MHz band: 13.56,
315MHz band: 9.84,
See table 6
see table 4
see table 4
see table 4
Value
100
12
22
MOTOROLA
MHz
MHz
MHz
Unit
kΩ
pF
pF
nF
pF