CXA1797Q Datasheet, PDF (25/31 Pages) Sony Corporation – Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier

REC EQ frequency response
30
Vcc, VEE = ±5.5V
0dB = NORM Tape—NORM SPEED
315Hz, —24dBV
NORM—NORM
CrO 2—NORM
20
METAL—NORM
NORM—HIGH
CrO 2—HIGH
METAL—HIGH
10
0
–10
10
100
1k
10k
Frequency (Hz)
CXA1797Q
100k
REC EQ total harmonic distortion
10.0
VCC, VEE = ±5.5V
NORM Tape—NORM SPEED
0dB = —4dBV, RL = 2.7k
315Hz
1kHz
3kHz
6.3kHz
10kHz
15kHz
1.0
0.1
–12 –8
–4
0
4
8
12
Output level (dB)
14.0
12.0
10.0
REC EQ load characteristics
VCC, VEE = ±5.5V
NORM Tape—NORM SPEED
0dB = —4dBV
THD+N = 1%
f=315Hz
f=1kHz
8.0
6.0
4.0
2.0
0
100
500 1k
5k 10k
Load resistance (Ω)
50k 100k
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