參數(shù)資料
型號: HA12162FP
廠商: Hitachi,Ltd.
英文描述: Dolby B- and C-Type Noise Reduction System(杜比B和C類降噪系統(tǒng))
中文描述: 杜比B和C型降噪系統(tǒng)(杜比乙和葷類降噪系統(tǒng))
文件頁數(shù): 9/63頁
文件大小: 328K
代理商: HA12162FP
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HA12141/42/70
(Dolby B-C NR)
SW9
L
R
SW2
ON
OFF
SW1
Audio SG
HP 339A or
Equivalent
C10
0.47+
R
+
μ
C3
R1
5.1k
P
SW3
100
C4
1
μ
C2
0.47
μ
OFF ON
SW10
DC Power
Source
R2
10k
C13
22
μ
C
B
C/B/OFF
OFF
TP1
R3
22k
TP2
R12
2.4kR13
5.6k
SW4
R18
22k
C20
2200p
C21
2200p
R19
560
C14
2200p
C5
0.1
μ
C15
0.1
μ
C7
2.2
μ
R5
10k
R
P
R4
10k
C6
2.2
μ
Note: 1.
2.
3.
Resistor tolerances are –1%
Capacitor tolerances are –1%
Unit R: C:F
SW5
SW6
Oscilloscope
TEKTRO 475 or
Equivalent
AC Volt Meter
HP 400E or
Equivalent
Distortion
Analyzer
HP 339A or
Equivalent
Noise Meter
with CCIR/
ARM Filter
SW7
P
R
R6
10k
C8
2.2
μ
R7
10k
+
C9
2.2
μ
C16
0.1
μ
C10
0.1
μ
C17
2200p
R17
560
C19
2200p
22k
C18
2200p
R14
5.6k
R15
2.4k
TP4
TP3
PB
R8
22k
REC
MPX
OFF
M/R/P
To Vcc
SW8
R9
18k
C11
0.47
μ
R10
10k
C12
0.47
μ
R
P
R11
5.1k
+
+
+
+
+
+
+
+
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