CXA1597M/P
Item
Conditions
NORM-tape, NORM-speed mode, Rg = 5.1kΩ
With no signal, measure the noise using the "A"-
WGT filter. (The measured value is indicated as
the relative value compared to the reference
level.)
NORM-tape, NORM-speed mode
With no signal, measure the DC offset voltage of
the REC OUT pin.
NORM-tape, NORM-speed mode, REC-MUTE = 0.5V
Input a 1kHz signal (+12dB level up) and
measure the attenuation when REC MUTE is on.
(Use a 1kHz BPF.)
NORM-tape, NORM-speed mode, REC-MUTE = 2.5V
Input a 1kHz, 0.0dB (reference level) signal and
measure the attenuation characteristics curve of
the soft mute function. (when REC-MUTE = 2.5V)
Min.
Typ.
Max. Unit
NORM-NORM mode
REC-EQ S/N ratio 1
("A"-WGT filter)
57
65
—
dB
NORM-NORM mode
Output DC offset voltage
(REC OUT pin)
NORM-NORM mode
REC-EQ mute characteristics 1
(REC-MUTE = 0.5V)
–500
0.0
500
mV
—
–91
–80
dB
Recording equalizer amplifier
NORM-NORM mode
REC-EQ mute characteristics 2
(REC-MUTE = 2.5V)
–7.0
–5.5
–4.0
dB
NORM-tape, NORM-speed mode, REC-CAL = 5.0V
NORM-NORM mode
Input a 315Hz signal (–20dB level down) and
REC-EQ REC-CAL characteristics 1 measure the amount of change compared to
(REC-CAL = 5.0V)
when the REC-CAL function is at the standard
setting.
NORM-tape, NORM-speed mode, REC-CAL = 0.0V
NORM-NORM mode
Input a 315Hz signal (–20dB level down) and
REC-EQ REC-CAL characteristics 2 measure the amount of change compared to
(REC-CAL = 0.0V)
when the REC-CAL function is at the standard
setting.
NORM-NORM mode
REC-EQ Gp-CAL characteristics 1
(GP-CAL = 5.0V)
NORM-tape, NORM-speed mode, Gp-CAL = 5.0V
Input a 8kHz signal (–20dB level down) and
measure the amount of change compared to
when the Gp-CAL function is at the standard
setting.
NORM-tape, NORM-speed mode, Gp-CAL = 0.0V
Input a 8kHz signal (–20dB level down) and
measure the amount of change compared to
when the Gp-CAL function is at the standard
setting.
TAPE EQ control pin voltage
TAPE EQ control pin voltage
TAPE EQ control pin voltage
SPEED control pin voltage
SPEED control pin voltage
4.1
6.1
8.1
dB
–8.9
–6.9
–4.9
dB
3.9
5.9
7.9
dB
NORM-NORM mode
REC-EQ Gp-CAL characteristics 2
(GP-CAL = 0.0V)
Mode control
Control circuit high level
Mode control
Control circuit medium level
Mode control
Control circuit low level
Mode control
Control circuit high level
Mode control
Control circuit low level
–5.9
–3.9
–1.9
dB
4.2
2.2
0.0
3.5
0.0
—
—
—
—
—
V
CC
2.8
0.5
V
CC
0.5
V
V
V
V
V
Control circuit
Binary
switching
Ternary
switching
–7–
SONY [ SONY CORPORATION ]
