AN1687 データシートの表示（PDF） - Motorola => Freescale
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AN1687 Datasheet PDF : 12 Pages
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TXPD
TXD
Appx.
1.5 VPP
TXMC
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
Figure 3. RF Transmitter
VCC
R22
51
AN1687
R20
10 k
C77
47 p
C75
0.5 p
R19
10 k
C78 C74
D3 47 p 15 p
C65
47 p L10
1.8 n
C66
D2
100 p
C67
MC13146
9 OSCB
C63
2.7 p
11 OSCE
C64
2.7 p
12 OSCC
U2
RF- 1
VCC
RF+ 3
+
C56 C57 C58 C59
1.0 1.0 n 1.0 n 1.0 n
1.0 n
VCC
R13
5 MIX/BUF_IN
C60 C61 C62
VCC 100 p 100 p 100 p
150
C71
C55
C68
100 p
C54
1.0 n
L9
10 n
4 LINADJ
22 PA_IN
100 p
PA_OUT 19
R14
200
C72
100 p
1.0 n
RF Out
CF5
16 MC
PRSCOUT 14 C70
FTX
VCC
17 EN
0.01
Default Units: Ohms, Microfarads and Microhenries
CF5
Handset: TDK CF 6118902
Baseset: TDK CF 6118702
D2,D3 MMBV809LT1
MOTOROLA SEMICONDUCTOR APPLICATION INFORMATION
3
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