HA12226F Datasheet, PDF (28/86 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
12
V_CC = 12V
Dolby B-NR
10
8
6
4
2
0
100
0
−2
−4
−6
−8
−10
V_CC = 12V
Dolby B-NR
−12
100
Encode Boost vs. Frequency
1k
Frequency (Hz)
Decode Cut vs. Frequency
1k
Frequency (Hz)
−40dB
−30dB
−20dB
−10dB
0dB
10k
20k
0dB
−10dB
−20dB
−30dB
−40dB
10k
20k
Rev.6, Dec. 2000, page 28 of 86