HA12134A, HA12135A, HA12136A
Electrical Characteristics (Ta = 25°C, VCC = 12 V, Unless otherwise specified.) (cont)
Item
Symbol Min
Typ
Max
Unit
Test conditions
Offset voltage
∆Vorec –50
0.0
50
mV
REC mode
V 8 (9) (NR-ON) –
V 8 (9) (NR-OFF)
VCC = 16.0 V
Test Circuit
To Vcc
R10
10k
R7
10k
SW8
PB
C9
+
C11
+
AC VOLT
METER
HP 400E or
EQUIVALENT
REC
P
SW7
10µ
SW9
P
0.68µ
R8
22k
C10
0.22µ
C8
R9
18k
R
C12
+
R
+
9
R11
5.1k
16
13
11
10
15
14
12
10µ
R6
10k
1µ
DISTORTION
ANALYZER
HP339A or
REC GND PB IN BIAS REC/
IN
PB
OUT
DET REC
OUT
PB
SW1
EQUIVALENT
L
SW6
SW2
OFF ON
OSCILLOSCOPE
TEKTRO 475 or
EQUIVALENT
R
REC
IN
NR
PB
REC
OUT
10k
R5
ON/OFF OUT
Vcc
2
PB IN VREF
DET
7
AUDIO SG
HP339A or
EQUIVALENT
R1
5.1k
C7
C1
6
5
4
1
3
8
+
C13
+
C3
100µ
C5
0.22µ
+
+
C4
1µ
R3
22k
+
1µ
C2
R
10µ
NOISE METER
WITH CCIR/
ARM FILTER
R
22µ
P
C6
P
SW5
SW3
+
+
ON
OFF
10µ
R2
10k
R4
10k
0.68µ
SW4
OFF
ON
SW10
DC POWER
SOURCE
Notes: 1. Resistor tolerances are ±1%
2. Capacitor tolerances are ±1%
Ω
3. Unit R:
C: F
5
HITACHI [ HITACHI SEMICONDUCTOR ]
