參數(shù)資料
型號: MC44302ADW
廠商: MOTOROLA INC
元件分類: 消費家電
英文描述: ADVANCED MULTI-STANDARD VIDEO/SOUND IF
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝: PLASTIC, SO-28
文件頁數(shù): 26/28頁
文件大?。?/td> 612K
代理商: MC44302ADW
MC44302A
26
MOTOROLA ANALOG IC DEVICE DATA
Figure 29. Evaluation Circuit Board and Component Layout
3
(Bottom View)
(Top View)
MC44302A
U1
C24
R27
R32
R26
C22
R25
C14
C13
R18
G3
C9
W10
W9
G4
RV3
RV2
C10
G6
J27
W4
G5
W6
W5
R29
R30
C27
C26
G7
RV1
C1
C8
+
TP1
G1
R33
G10
G12
Q1
R6
W8
W7
G8
C19
C20
C23
C5
SMB2
+
+
+
+
C
C
J15
R
R
R
C
J20
C
C
C
C
L
R
D
R
R
R
R
R
R
R
R
R
R
R
L
R
F
R
R
C
C
R
R
C
R
1
L4
S
1
T
C
4 3
2
1
2
1
S
SW2
SW1
SMB3
G12
J11
J4
J3
J8
J5
J
J
J
G2
J16
J17
J19
J18
W11
W12
S
J22 J23
W2
W1
W3
J24
J26
G11
J21
MCU2
AFT Mode Switch
IF Input
Audio Input
Video Output
Video Mode
Switch
Video IF
AGC Filter
PLL Filter
RF AGC
Delay
AFT
Gain
(Main VCO Loop)
Pin 19
Audio–Video Switch
Volume Control
Sound Intercarrier Output,
Sound Input (FM)
(AC Couple)
Audio Input/
Audio–Video Switch
Pin 3
Audio Output
(Variable)
V
S
Gnd
Audio Output
(Constant)
Sound Demodulator Input,
AM/FM Select
CC
Sound Input (AM)
Pin 23
Lock Detector/Filter
(Acquisition Circuit)
Pin 18
P
M
M
R23
TP3
R
J6
C7
3.60”
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