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SA637DK Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
SA637DK
Low-voltage digital IF receiver
Philips Electronics
SA637DK Datasheet PDF : 11 Pages
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Philips Semiconductors RF Communications Products
Low-voltage digital IF receiver
Product specification
SA637
PAD
48dB
PAD
32.2dB
PAD
R49
R48 R47
C20
SW9
R29
R28 R27
C27
R32
C29
R31
FLT1 SW8
C26
SW7
C28
48dB
PAD
R35
32.2dB
PAD
LIMITER
OUT (+)
R37
R34
R33
C33
C30
R38
SW6
FLT2
C31 C32
20 19 18 17 16 15 14 13 12 11
L2
RF
IN
C1 10nF
C2 91pF
C3 620pF
C4 100nF
C5 100nF
C6 10nF
C11 100nF
C20 100nF
C21 100nF
C26 100nF
MIXER
IF
AMP
LIMITER
FAST RSSI
OSCILLATOR
RSSI BUFFER
+ – LO
+–
BUFF
RSSI FB
1
C1
C2
R2
C3
R1
2
3
4
5
6
7
8
9
C22
C6
C4
C5
R17
R16
C11
R20
R14
R13
C12
R4
R45
10
R50
C21
R51
R3
LO
OSC
OUT
V
CC
RSSI
IN
PWD
LIMITER
OUT (–)
Automatic Test Circuit Component List
C27 100nF
C28 100nF
C29 100nF
C30 100nF
C31 100nF
C32 100nF
C33 100nF
R1 249
Ω
R2 60.4
Ω
R3 60.4
Ω
R4 49.9
Ω
R13 10k
Ω
R14 10k
Ω
R16 10k
Ω
R17 1k
Ω
R20 10k
Ω
R27 13.7k
Ω
R28 1.68k
Ω
R29 49.9
Ω
R31 1k
Ω
R32 49.9
Ω
R33 13.7k
Ω
R34 1.68k
Ω
R35 49.9
Ω
R38 1k
Ω
R39 49.9
Ω
R45 49.9
Ω
R47 2.43k
Ω
R48 39.2k
Ω
R49 49.9
Ω
R32 49.9
Ω
R50 1k
Ω
R51 49.9
Ω
L2 62nH
October 27, 1993
Figure 1. SA637 Automatic Test Circuit
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