參數(shù)資料
型號: 12136AF
廠商: Hitachi,Ltd.
英文描述: Dolby B-Type Noise Reduction System
中文描述: 杜比B型降噪系統(tǒng)
文件頁數(shù): 5/27頁
文件大小: 101K
代理商: 12136AF
HA12134A, HA12135A, HA12136A
5
Electrical Characteristics
(Ta = 25
°
C, V
CC
= 12 V, Unless otherwise specified.) (cont)
Item
Symbol
Min
Typ
Max
Unit
Test conditions
Offset voltage
V 8 (9) (NR-ON) –
V 8 (9) (NR-OFF)
Vorec
–50
0.0
50
mV
REC mode
V
CC
= 16.0 V
Test Circuit
+
+
+
Notes: 1. Resistor tolerances are
±
1%
2. Capacitor tolerances are
±
1%
3. Unit R: C: F
REC
IN
16
15
14
13
12
11
PB
OUT
10
DET
9
8
7
6
5
4
3
1
GND
PB IN
BIAS
REC/
PB
REC
OUT
REC
IN
Vcc
2
PB IN
V
NR
ON/OFF
PB
OUT
DET
REC
OUT
AC VOLT
METER
HP 400E or
EQUIVALENT
DISTORTION
ANALYZER
HP339A or
EQUIVALENT
OSCILLOSCOPE
TEKTRO 475 or
EQUIVALENT
NOISE METER
WITH CCIR/
ARMFILTER
DC POWER
SOURCE
AUDIO SG
HP339A or
EQUIVALENT
SW2
OFF
ON
R10
10k
SW9
0.68
μ
C12
+
C11
P
R
1
μ
R11
5.1k
R
L
R1
5.1k
SW1
SW3
R2
10k
0.68
μ
1
μ
+
+
+
OFF
ON
SW10
C3
100
μ
C4
1
μ
ON
OFF
SW4
C13
22
μ
R3
22k
C5
0.22
μ
+
+
C7
C6
10
μ
10
μ
R4
10k
SW5
R
P
P
R
SW6
R6
10k
+
+
R
P
SW7
R7
10k
C9
C10
0.22
μ
R8
22k
SW8
PB
REC
R9
18k
To Vcc
REF
10
μ
10
μ
C8
C1
C2
R5
10k
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