CXA1797 SONY [Sony Corporation], CXA1797 Datasheet - Page 11
CXA1797
Manufacturer Part Number
CXA1797
Description
Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier
Manufacturer
SONY [Sony Corporation]
Datasheet
1.CXA1797.pdf
(31 pages)
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No.
Pin
55
56
60
61
57
58
59
PB IN B2
PB IN A2
PB IN A1
PB IN B1
REC IREF
GND
DOLBY IREF
Symbol
Typical pin voltage
1.25V
1.25V
V
V
0.0V
DC
0V
EE
EE
+
+
–21dBv
AC
—
—
—
I/O
—
—
—
I
Z (in)
50kΩ
—
—
—
—11—
V
V
CC
EE
147
Equivalent circuit
147
VCT
147
V
EE
V
V
CC
EE
+1.25V
V
V
CC
EE
V
V
CC
EE
Head select input
of playback
equalizer amplifier
Reference current
of recording
equalizer amplifier
Ground (center
capacitance when
using a single
power supply)
Reference current
Description
CXA1797Q
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