SA676DK 查看數據表（PDF） - Philips Electronics
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SA676DK Datasheet PDF : 8 Pages
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Philips Semiconductors
Low-voltage mixer FM IF system
Product specification
SA676
C26
R18
3.3k
R17
2.4k
C15
FLT1
C23
C21
FLT2
C18 C17
20 19 18 17 16 15 14 13 12 11
MIXER
IF
AMP
OSCILLATOR
RSSI
LIMITER
QUAD
1
C1
L1
C2
45MHz
INPUT
+–
–+
VREG
2
3
C5
C6
4
5
6
7
8
9
C8
C7
L2
X1
C9
R10
10k
C10
R11
10k
C12
C27
2.2µF
R19
11k
C19
390pF
10
IFT1
C14
RSSI
OUTPUT
VCC
AUDIO
SA676DK Demoboard
Application Component List
C1 51pF NPO Ceramic
C2 220pF NPO Ceramic
C5 100nF +10% Monolithic Ceramic
C6 5-30pF trim cap
C7 1nF Ceramic
C8 10.0pF NPO Ceramic
C9 100nF +10% Monolithic Ceramic
C10 10µF Tantalum (minimum) *
C12 2.2µF +10% Tantalum
C14 100nF +10% Monolithic Ceramic
C15 10pF NPO Ceramic
C17 100nF +10% Monolithic Ceramic
C18 100nF +10% Monolithic Ceramic
C19 390pF +10% Monolithic Ceramic
C21 100nF +10% Monolithic Ceramic
C23
C26
C27
FLT 1
FLT 2
IFT 1
L1
L2
X1
R5
R10
R11
R17
R18
R19
100nF +10% Monolithic Ceramic
100nF +10% Monolithic Ceramic
2.2µF Tantalum
Ceramic Filter Murata SFG455A3 or equiv
Ceramic Filter Murata SFG455A3 or equiv
330µH TOKO 303LN-1130
330nH Coilcraft UNI-10/142-04J08S
0.8µH nominal TOKO 292CNS-T1038Z
44.545MHz Crystal ICM4712701
Not Used in Application Board (see Note 8, pg 8)
8.2k +5% 1/4W Carbon Composition
10k +5% 1/4W Carbon Composition
2.4k +5% 1/4W Carbon Composition
3.3k +5% 1/4W Carbon Composition
11k +5% 1/4W Carbon Composition
* NOTE: This value can be reduced when a battery is the power source.
Figure 3. SA676 45MHz Application Circuit
SR00516
1993 Dec 15
6–132
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