HA12226F Datasheet, PDF (39/86 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
Channel Separation vs. Frequency (L → R) (3)
−40
V_CC = 11V, 12V, 15V
Rin → RECOUT, Vin = +12dB
REC mode, L → R
−60
NR-ON
−80
−100
−120
NR-OFF
−140
10
100
1k
10k
Frequency (Hz)
Channel Separation vs. Frequency (L → R) (4)
−40
V_CC = 11V, 12V, 15V
Rin → PBOUT, Vin = +12dB
REC mode, L → R
−60
100k
−80
−100
NR-ON/OFF
−120
−140
10
100
1k
10k
Frequency (Hz)
100k
Rev.6, Dec. 2000, page 39 of 86