HA12215F Datasheet, PDF (56/69 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12215F
Equalizer Amp. Gain vs. Frequency (RECcal)
55
V_S = ±7.0V
50
REC-cal
Norm speed, Norm tape
45
40
35
30
25
REC-cal = 5.0V
REC-cal = 2.5V
20
REC-cal = 0V
15
10
5
10
100
1k
10k
Frequency (Hz)
Equalizer Amp. Gain vs. Frequency (GPcal)
55
V_S = ±7.0V
50
GP-cal
Norm speed, Norm tape
GP-cal = 0V
45
40
GP-cal = 2.5V
35
30
25
GP-cal = 5.0V
20
15
10
5
10
100
1k
10k
Frequency (Hz)
Rev.5, Oct. 1999, page 56 of 69
100k
100k