HA12215 Hitachi Semiconductor, HA12215 Datasheet - Page 25

• Manufacturer Part Number: HA12215
• Description: Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
• Manufacturer: Hitachi Semiconductor

12
10
10
12
8
6
4
2
0
2
4
6
8
100
100
0
V
Dolby B-NR
V
Dolby B-NR
S
S
= 7.0V
= 7.0V
Encode Boost vs. Frequency
Decode Cut vs. Frequency
Frequency (Hz)
Frequency (Hz)
1k
1k
Rev.5, Oct. 1999, page 25 of 69
10k
10k
40dB
30dB
20dB
10dB
10dB
20dB
30dB
40dB
0dB
0dB
HA12215F
20k
20k