HA12167FB Datasheet, PDF (34/73 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck (Deck 1 Chip)

HA12167FB/HA12169FB
Encode Boost vs. Frequency (2) HA12167FB
25
: 0 dB
: –20 dB
20
: –30 dB
: –40 dB
V_CC =15 V
: –60 dB
15
NR-C
10
V_CC =12 V, 14 V
5
0
–5
–10
100
1k
10 k
Frequency (Hz)
100 k
Encode Boost vs. Frequency (3) HA12169FB
12
: 0 dB
: –10 dB
10
: –20 dB
: –30 dB
: –40 dB
NR-B
8
6
V_CC =14 V
V_CC =15 V
V_CC =11 V
4
2
0
100
1k
10 k
100 k
Frequency (Hz)
Rev.3, Jun. 1997, page 34 of 73