CXA1797Q
Specifications
Min. Typ. Max.
80.0 83.0
Block
Item
Conditions
Unit
dB
Recording volume Recording volume amplifier
REC-VOL S/N ratio 1
REC-VOL = 5.0 V, REC-BAL = 2.5 V
—
With no signal, measure the noise using an "A"-WGT
filter. (The measured value is indicated as the relative
value compared to the full-gain level.)
("A"-WGT filter)
Recording volume Recording volume amplifier
Output DC offset voltage
REC-VOL = 5.0 V, REC-BAL = 2.5 V
–0.15 0.0 0.15
V
With no signal, measure the DC offset voltage of the VOL
OUT pin.
(VOL OUT pin)
Recording volume Recording volume amplifier
REC-VOL balance
REC-VOL = 5.0 V, REC-BAL = 0.0 V (1 kHz BPF)
Input a 1 kHz, +2 dBv signal and measure the attenuation
of VOL OUT 1. (Input -10 dBv and confirm that there is no
—
–96.0 –60.0 dB
characteristics 1
(REC-VOL = 5.0 V, REC-BAL = attenuation at VOL OUT 2.)
0.0 V)
Recording volume Recording volume amplifier
REC-VOL balance
REC-VOL = 5.0 V, REC-BAL = 5.0 V (1 kHz BPF)
Input -10 dBv and confirm that there is no attenuation at
VOL OUT 1. (Input a 1 kHz, +2 dBv signal and measure
–1.0 0.0 1.0
dB
characteristics 2
(REC-VOL = 5.0 V, REC-BAL = the attenuation of VOL OUT 2.)
5.0 V)
Recording volume Recording volume amplifier
Channel crosstalk
REC-VOL = 5.0 V, REC-BAL = 2.5 V
—
–98.0 –80.0 dB
Alternately input a 1 kHz, +2 dBv signal, and measure the
(REC-VOL = 5.0 V, REC BAL = channel crosstalk. (Use a 1 kHz BPF.)
2.5 V)
Recording volume Input buffer gain
(1 kHz, -10.0 dBv)
Input a 1 kHz, -10 dBv signal to the LINE IN pin and
measure the gain at the BUF OUT pin.
–1.0 0.0 1.0
dB
Line amplifier
Line amplifier
Line amplifier
Line amplifier gain
(1 kHz, -30 dBm)
PB mode
–1.0 0.0 1.0 dBm
Input a 1 kHz, -30 dBm signal to the DOLBY PBIN pin
and measure the output level at the LINE OUT pins.
PB mode
Line amplifier
12.0 12.6
—
dB
%
Signal handling
(1 kHz, THD = 1%)
Line amplifier
Input a 1 kHz signal and set the output level so that the
THD is 1%.
PB mode
—
0.02 0.5
Line amplifier total harmonic
distortion
Input a 1 kHz, -30 dBm signal (reference input level) and
measure the distortion. (Measure the distortion as THD + N.)
(1 kHz, -30 dBm)
Line amplifier
Line amplifier
PB mode
80.0 82.5
—
dB
V
Line amplifier S/N ratio
("A"-WGT filter)
With no signal, measure the noise using an "A"-WGT
filter. (The measured value is indicated as the relative
value compared to the reference level.)
REC mode
Line amplifier
Line amplifier
Line amplifier
–0.2 –0.1 0.2
Output DC offset voltage
(LINE OUT pin)
With no signal, measure the DC offset voltage of the LINE
OUT pin.
Line amplifier
PB, MUTE mode
—
—
–107.0 –80.0 dB
–94.0 –80.0 dB
MUTE mode characteristics
(1 kHz BPF)
Input a 1 kHz, -18 dBm signal to the DOLBY PB IN pin
and measure the attenuation when LINE MUTE is on.
(Use a 1 kHz BPF.)
Line amplifier
Level meter
Line amplifier
PB mode
Channel crosstalk
Alternately input a 1 kHz, -18 dBm signal to the DOLBY
PB IN pin and measure the channel crosstalk. (Use a 1
kHz BPF.)
(1 kHz, -14.0 dBv, 1 kHz BPF)
Level meter amplifier
METER ON, REC mode
2.5 2.8 3.1
V
Level meter characteristics 1
(REC IN = 1 kHz, -26 dBv)
Input a 1 kHz, -26 dBv signal to the REC IN pin and
measure the output DC voltage at the METER pin.
—15—
SONY [ SONY CORPORATION ]
