HA12134A Datasheet, PDF (23/27 Pages) Hitachi Semiconductor – Dolby B-Type Noise Reduction System

10
HA12134A
3
1.0
HA12134A, HA12135A, HA12136A
VCC = 12 V
0.3
0.1
10 kHz
0.03
1 kHz
100 Hz
0.01
–20 –15 –10 –5 0 5
Vout [dB]
10 15 20 25
Figure 31 REC NR-OFF Total Harmonic Distortion vs. Output Level
10
HA12134A
3
1.0
VCC = 12 V
0.3
0.1
10 kHz
100 Hz
0.03
1 kHz
0.01
–20 –15 –10 –5 0
5 10 15 20 25
Vout [dB]
Figure 32 REC NR-ON Total Harmonic Distortion vs. Output Level
Rev.3, Jun. 1999, page 23 of 27