HA12209F Datasheet, PDF (38/49 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12209F
Ripple Relection Ratio vs. Frequency (3)
0
V_CC = 12V
EQOUT
N : Normal speed
–20
N-TYPE II
N-TYPE I
–40
–60
–80
–100
10
100
1k
10k
Frequency (Hz)
50
V_CC = 12V
N : Normal speed
H : High speed
40
REC-EQ Gain vs. Frequency
N-TYPE II
N-TYPE I
30
100k
20
H-TYPE I
H-TYPE II
10
0
10
100
1k
10k
100k
Frequency (Hz)
Rev.2, Jun. 1999, page 38 of 49