HA12203NT Datasheet, PDF (51/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12203NT
Ripple Rejection Ratio vs. Frequency (3)
20
V_S = ±7.0 V
0
V_EEin
PBmode Ain → PBOUT
–20
NR-OFF 120 µ/70 µ
–40
NR-ON 120 µ
–60
–80
10
20
30 60 100
300 600 1 k
3 k 6 k 10 k
Frequency (Hz)
Ripple Rejection Ratio vs. Frequency (4)
30 k 60 k 100 k
V_S = ±7.0 V
0
V_EEin
PBmode Bin → PBOUT
NR-OFF 120 µ
NR-OFF 70 µ
–20
–40
NR-ON 120 µ
–60
–80
10
30 60 100
300 600 1 k
3 k 6 k 10 k
Frequency (Hz)
30 k 60 k 100 k
Rev.3, Jun. 1999, page 51 of 97