HA12226F Datasheet, PDF (78/86 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
55
50
45
40
35
30
25
20
15
10
5
10
Equalizer Amp. Gain vs. Frequency (GP-cal)
GP-cal = 0V
GP-cal = 2.5V
GP-cal = 5V
100
1k
10k
Frequency (Hz)
Equalizer Signal to Noise Ratio vs. Supply Voltage (1)
70
f = 1kHz
A-WTG filter
Norm speed
NN
NC
65
100k
60
55
11
12
13
14
15
Supply Voltage (V)
Rev.6, Dec. 2000, page 78 of 86