CXA1878Q
Output level vs. REC MUTE pin voltage 1
Output level vs. REC MUTE pin voltage 2
100
0
VCC, VEE = ±7.0V
(Tape) (Speed)
MODE: NORM - NORM,
0dB = 1kHz, +12dB
(at 315Hz, –3dBv)
f = 1kHz
80
60
–20
–40
40
VCC, VEE = ±7.0V
–60
–80
(Tape) (Speed)
20
MODE: NORM - NORM,
0dB = 1kHz, +12dB
(at 315Hz, –3dBv)
f = 1kHz
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0
REC MUTE pin voltage [V]
0.2
0.5
1.0
2.0
5.0
REC MUTE pin voltage [V]
Recording equalizer amplifier load characteristics
15
Output level vs. REC MUTE pin voltage 3
0
–20
–40
–60
10
VCC, VEE = ±7.0V
5
(Tape) (Speed)
MODE: NORM - NORM,
0dB = –3dBv (REC OUT pin)
THD + N = 1%
315Hz
1kHz
0
–80
VCC, VEE = ±7.0V
(Tape) (Speed)
100
1k
10k
100k
MODE: NORM - NORM,
0dB = 1kHz, +12dB
(at 315Hz, –3dBv)
f = 1kHz
Load resistance RL [W]
–100
Recording volume balance characteristics
0.0 1.0 2.0 3.0 4.0 5.0 6.0
REC MUTE pin voltage [V]
0
–10
–20
–30
–40
–50
–60
Recording volume characteristics
0
–10
–20
–30
–40
–50
–60
–70
–80
–70
VCC, VEE = ±7.0V
DVCC = +5.0V
Input : VOLUME IN = –10dBv,
f = 1kHz
REC VOL pin voltage = +5.0V
–80
VCC, VEE = ±7.0V
DVCC = +5.0V
Input : VOLUME IN = –10dBv, f = 1kHz
REC BAL pin voltage = 2.5V
–90
1CH
2CH
–100
0.0 1.0
2.0 3.0 4.0
5.0
0.2
0.5
1.0
2.0
5.0
Balance control pin voltage [V]
REC LEVEL pin voltage [V]
– 32 –
SONY [ SONY CORPORATION ]
