CXA1878Q
Example of Representative Characteristics
Recording equalizer amplifier frequency response
Recording equalizer amplifier frequency response
(HIGH SPEED)
30.0
(NORMAL SPEED)
30.0
VCC, VEE = ±7.0V
VCC, VEE = ±7.0V
0dB = NORM - NORM, 315Hz, –23dBv (Output reference)
0dB = NORM - NORM, 315Hz, –23dBv (Output reference)
(Tape) (Speed)
(Tape) (Speed)
NORM - HIGH
CrO2 - HIGH
20.0
10.0
0.0
20.0
NORM - NORM
CrO2 - NORM
METAL - HIGH
METAL - NORM
10.0
0.0
–10.0
–10.0
100
1k
10k
100k
100
1k
10k
100k
Frequency [Hz]
Frequency [Hz]
Output level vs. REC CAL pin voltage
Output level vs. GP CAL pin voltage
8
6
8
6
315Hz
3kHz
315Hz
8kHz
8kHz
12kHz
4
4
2
2
0
0
VCC, VEE = ±7.0V
–2
–4
–6
(Tape) (Speed)
–2
–4
–6
MODE: NORM - NORM
GP CAL pin = Open
0dB = REC CAL and
GP CAL pin = Open
–20dB (at 315Hz,–3dBv)
VCC, VEE = ±7.0V
(Tape) (Speed)
MODE: NORM - NORM REC CAL pin = Open
0dB = REC CAL pin and GP CAL pin = Open
–20dB (at 315Hz,–3dBv)
–2.0 –1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
REC CAL pin voltage [V]
–2.0 –1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
GP CAL pin voltage [V]
REC CAL and GP CAL frequency response
40.0
30.0
20.0
10.0
0.0
VCC, VEE = ±7.0V
(Tape) (Speed)
0dB = NORM - NORM, 315Hz, –23dBv (Output reference)
REC CAL and GP CAL = Open
GP = 5.0V
2.5V
0.0V
REC CAL = 5.0V
REC CAL = 2.5V
REC CAL = 0.0V
–10.0
100
1k
10k
100k
Frequency [Hz]
– 31 –
SONY [ SONY CORPORATION ]
