LA1838 Просмотр технического описания (PDF) - SANYO -> Panasonic
Номер в каталоге
Компоненты Описание
производитель
LA1838 Datasheet PDF : 9 Pages
| |||
Block Diagram
LA1838
OSC
BUFF
FM SD
VT
BAND -W
+
+
+
AM - STEREO
L / R- INPUT
+
L.P.F
L
L.P.F
R L-OUT R-OUT
+
+
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
ALC
BUFF
REG
AM AM
AM
OSC MIX RF.AMP
AGC
DECODER
ANTI- BIRDIE
P-DET
STEREO
SW
MUTE
SD
COMP
AM I F
DET
AM
S-METER
VCO
FF
304kHz 38k
19FkF∠-π2
FF
19k∠θ
PILOT
DET
FM
S-METER
S-CURVE
AM/FM
I F-BUFF
FM I F
FM
DET
TUNING STEREO
DRIVE
DRIVE
GND
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
FM IN
(10.7MHz)
AM IFT
+
+
+
FM ST
+
+
AM
MONO
VCC
T00147
AC Test Circuit
OSC
BUFF
(1.45MHz)
AM -IN
(1MHz)
T1
0.047µF
AFC
0.047µF
REG
39mH
3kΩ
+
+
+
18kΩ
0.01µF
10µF
+
L.P.F
L.P.F
+
+
L-OUT R-OUT
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
FM IN
(10.7MHz)
1
0.047µF
300Ω
T1: HW-50425
T2: YD-1073-1
2
3
450kHz
T2
4
5
+
LA1838
6
7
SD ST
AM - ST
8
9
10
+*
11
12
FM AM
VSM
VSM
13
+
14
15
FM STEREO
AM
+
CDA10.7MGI-C
(For use as the DUT socket board)
VDD + +
The CDA10.7MG74 must be used for actual production models.
VCC
9.0V
(Series resistance: 270 Ω)
T00148
No. 5888-3/9
Share Link: 