HA12179F Datasheet, PDF (37/40 Pages) Hitachi Semiconductor – Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)

HA12179F
MS-Amp. Gain vs. Frequency
45
35
MAOUT Measure
25
15 MSI Measure
Repeat
Search
VCC = 9V
5
10 20 40 60 100 200 400 600 1 k 2 k 4 k 6 k 10 k 20 k 40 k 60 k 100 k
Frequency (Hz)
MS Sensing Level vs. Frequency
+10
0
Search
–10
–20
–30 _{VCC = 9 V}
1 channel Input
–40 ^{0 dB = 387.5 mV at PBOUT}
High Low (Non-music to Music)
Low High (Music to Non-music)
–50
30
100 300
1k
3k
Frequency (Hz)
Repeat
10 k 30 k
100 k
Rev.1, Apr. 1994, page 37 of 40