SA647 查看數據表（PDF） - Philips Electronics
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SA647 Datasheet PDF : 14 Pages
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Philips Semiconductors
Low-voltage digital IF receiver
Product specification
SA647
GENERAL TEST CIRCUIT DESCRIPTION
FLT
MIXER OUT
R21
R29
R28
R22
R30
24
53
1
R27
R26
R25
R23
R24
C28
C27
20
19
IF OR LIMITER INPUT
C25
C26
18
R19
R20
17
C19
C22
C20
L3
R17
C21
R15
R16
C23
16
15
+–
IF
AMP
OSCILLATOR
FAST RSSI
OSC
BUFF
R13
R14
C18
LIMITER OUT (+)
C14
R11
C17
C16
C15
14
13
12
11
LIM DEC
LIM DEC
LIMITER
+–
1
C1
L1
C2
C3
R1
R3
R2
2
3
4
5
6
C9
C10
C4
C7
C11
R4
R5
L2
R6
C5
C8
VCC
C6 LO
BUFFER
OUTPUT
7
R9
R7
RSSI
OUT
8
9
R8
PWD
RF INPUT
LO INPUT
10
C13
R10
C14
LIMITER
OUT (–)
C1 0.01mF
C2 12pF
C3 39pF
C4 0.01mF
C5 15pF
C6 39pF
C7 3.9pF
C8 0.1mF
C9 100nF
C10 100nF
C11 100nF
C12 100nF
C13 30pF
C14 0.1mF
C15 30pF
C16 100nF
C17 100nF
C18 0.1mF
C19 270pF
C20 1500pF
Automatic Test Circuit Component List
C21 0.01mF
C22 0.1mF
C23 100nF
C24 0.1mF
C25 0.1mF
C26 100nF
C27 0.1mF
C28 0.1mF
R1 249W
R2 60.4W
R3 60.4W
R4 10KW
R5 10KW
R6 10KW
R7 10KW
R8 10KW
R9 10KW
R10 1.5KW
R11 1.5KW
R12 1.69KW
R13 50W
R14 13.7W
R15ą1.5KW
R16 1.5KW
R17 1KW
R18 13.7KW
R19 50KW
R20 1.69KW
R21 2.43KW
R22 50W
R23 130W
Figure 5.
R24 8.66W
R25 130W
R26 182W
R27 182W
R28 10KW
R29 10KW
R30 3.92KW
L1 120nH
L2 120nH
L3 56mH
FLT 600kHz
SR01728
1998 Aug 10
9
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