HA12203NT Datasheet, PDF (44/97 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) (4)
–10
–20
VS = ±7.0 V
PBmode Bin → PBOUT
L→R
–40
NR-OFF
–60
–80
NR-ON
–30
–40
–60
–80
–100
–100
–110
10
30 60 100
300 600 1 k
3 k 6 k 10 k
Frequency (Hz)
Channel Separation vs. Frequency (1)
V_S = ±7.0 V
Ain → RECOUT
Vin = +12 dB
L→R
R→L
30 k 60 k 100 k
–120
–130
10 20
60 100 200
600 1 k 2 k
Frequency (Hz)
6 k 10 k 20 k
60 k 100 k
Rev.3, Jun. 1999, page 44 of 97