HA12203NT Datasheet, PDF (43/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12203NT
Channel Separation vs. Frequency (L → R) (2)
–10
–20
V_S = ±7.0 V
PBmode Ain → PBOUT
L→R
–40
NR-OFF
–60
–80
NR-ON
–100
–110
10
30 60 100
300 600 1 k
3 k 6 k 10 k
Frequency (Hz)
Channel Separation vs. Frequency (R → L) (3)
–10
–20
V_S = ±7.0 V
PBmode Bin → PBOUT
R→L
–40
30 k 60 k 100 k
–60
NR-OFF
–80
–100
–110
10
NR-ON
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 43 of 97