HA12226F Datasheet, PDF (80/86 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
GP-cal Correction vs. V_GP-cal
5
4
3
2
1
0
−1
−2
−3 ^{f = 12kHz}
REC-cal open
−4
V_CC = 12V
Norm speed
Norm tape
−5
0
1
2
3
4
5
V_GP-cal (V)
ALC Operate Level vs. Input Level
10
f = 1kHz, V_CC = 12V, Both channel input (L, Rch)
Rin → RECOUT,
Cal = 5V
Norm
8
Crom
Cal = 5V
6
Cal = 2.5V
4
Cal = 2.5V
2
Cal = 0V
0
Cal = 0V
−2
−5
0
5
10
15
20
25
30
35
Input Level Vin (dB) 0dB = 218mVrms
Rev.6, Dec. 2000, page 80 of 86