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LLCC68 датащи(PDF) 101 Page - Semtech Corporation

номер детали LLCC68
подробное описание детали  Long Range, Low Power, sub-GHz RF Transceiver
PDF  111 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

LLCC68 датащи(HTML) 101 Page - Semtech Corporation

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LLCC68
Data Sheet
Rev. 1.1
DS.LLCC68.W.APP
Dec 2024
101 of 111
Semtech
LLCC68
www.semtech.com
14.5 Application Schematics
14.5.1 Application Design of the LLCC68 with RF Switch
Figure 14-1: Application Schematic of the LLCC68 with RF Switch
Note: The application schematics presented here are for information only. Always refer to the latest reference designs posted on
www.semtech.com.
Recommendations for heat dissipation techniques to be applied to the PCB designs are given in detail in the application note
AN1200.37 “Recommendations for Best Performance” on www.semtech.com.
In miniaturized design implementations where heat dissipations techniques cannot be implemented or the use of the
LowDataRateOptimize is not supported, the use of a TCXO provides a more stable clock reference.
GN
GND
GND
VDD_IN
1
GND
2
XTA
3
XTB
4
GND
5
DIO3
6
VREG
7
GND
8
DCC_SW
9
VBAT
10
VBAT_IO
11
DIO2
12
DIO1
13
BUSY
14
NRESET
15
MISO
16
MOSI
17
SCK
18
NSS
19
GND
20
RFI_P
21
RFI_N
22
RFO
23
VR_PA
24
U1
LLCC62
GND
GND
GND
GND
GND
GND
GND
DIO3
VDD_RADIO
VR_PA
C9
C7
C5
C12
C2
L3
L2
C4
C6
C11
L4
L6
L1
C1
C3
15uH
L7
470nF
C17
C8
GND
NSS
SCK
MOSI
MISO
SX_NRESET
BUSY
DIO1
DIO2
L5
C10
GND
GND
CTRL
6
RFC
5
CTRL
4
RF2
3
GND
2
RF1
1
U2
PE4259 RF Switch
C13
GND
GND
1nF
C15
GND
100R
R3
DIO2
1nF
C14
GND
100R
R4
ANT_SW
RF
GND
VDD_RADIO
100nF
C18
GND
1uF
C16
XTA
3
1
2
4
32.0MHz
Q1 Xtal
GND
XTB



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