參數(shù)資料
型號: MC33493DTB
廠商: MOTOROLA INC
元件分類: 消費家電
英文描述: PLL tuned UHF Transmitter for Data Transfer Applications
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO14
封裝: TSSOP-14
文件頁數(shù): 16/20頁
文件大?。?/td> 595K
代理商: MC33493DTB
16
MC33493 Technical Data
MOTOROLA
COMPLETE APPLICATION SCHEMATIC AND PCB FOR FSK MODULATION
Figure 14:
.
Application schematic for FSK modulation, serial configuration, 434MHz frequency band
Note that for 868MHz band application, the input pin BAND must be wired to ground. See component description
on table 5.
Table 5: External components description for FSK
Component
Function
Figure 15 gives the corresponding PCB layout.
Value
Unit
Y1
Crystal
315MHz band: 9.84,
see table 4
434MHz band: 13.56,
see table 4
868MHz band: 13.56,
see table 4
MHz
MHz
MHz
R1
RF output level setting
resistor (R
ext
)
12
k
C3
C4
C2
C6
Crystal load capacitor
See table 6
pF
pF
nF
pF
Power supply decoupling
capacitor
22
100
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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