參數(shù)資料
型號: BH7802K
廠商: Rohm CO.,LTD.
英文描述: Single chip Hi-Fi audio signal processor
中文描述: 單芯片Hi - Fi音頻信號處理器
文件頁數(shù): 13/14頁
文件大?。?/td> 183K
代理商: BH7802K
13
Video ICs
BH7802K
Application example
33
32
31
30
29
28
27
26
25
24
23
1
INPUT
SWITCH
MIX
AMP
PNR
ELOPE
Hi-Fi
MODEM
ALC
DATA
DECODER
MODEM
FMBPF
VCO BPF
AUTO
ADJUST
D.O.
COM.
FM
OUT
SW
2
3
REG
4
5
6
7
8
9
10
11
34
35
36
37
38
39
40
41
42
43
44
22
21
20
18
17
16
15
14
13
12
LINE2L
LINE2R
BSL
BSR
L
A
L
A
OUTPUT
SWITCH
PNR
M
27k
27k
100
μ
100
μ
47
μ
4
μ
1
μ
2
1
FM REC OUT
4.7
μ
100
μ
100
μ
ENVELOPE
/ Hi-Fi DET
/ AAA FLAG
FM PB IN
AUDIO HEAD
SWITCH
PULSE IN
N
M
L
1
L
N
M
f
D
C
0.022
μ
0
μ
0
μ
1
μ
0
μ
0
μ
LINE1 L IN
4.7
k
BS R IN
4.7
k
BS L IN
4.7
k
TUNER R IN
TUNER L IN
TUNER M IN
LINE1 R IN
4.7
k
V
CC
UNREG V
CC
LINE2 L IN
4.7
k
LINE2 R IN
4.7
k
4.7
k
4.7
k
M
V
EE
V
EE
4
μ
2
UNREG V
EE
19
Fig.2
Operation notes
The VCO oscillation frequency and frequency deviation, and the BPF center frequency are directly influenced by the
temperature characteristics of the setting resistors connected to pins 16 and 17. Use metal-film components.
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