HA12203NT Datasheet, PDF (24/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12203NT
Inpuit Amp. Gain vs. Frequency (1)
30
20
10
V_S = ±7.0 V
PBmode Ain → RECOUT
0
NR-ON
NR-OFF
–10
10
30 60 100
300 600 1 k 3 k 6 k 10 k
Frequency (Hz)
30 k 60 k 100 k 300 k 600 k 1 M
Inpuit Amp. Gain vs. Frequency (2)
40
PASS
20
0
PB
V_S = ±7.0 V
Ain → PBOUT
–20
–40
10
30 60 100
300 600 1 k 3 k 6 k 10 k
Frequency (Hz)
30 k 60 k 100 k 300 k 600 k 1 M
Rev.3, Jun. 1999, page 24 of 97