HA12167FB Datasheet, PDF (64/73 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck (Deck 1 Chip)

HA12167FB/HA12169FB
Total Harmonic Distortion vs.
Equalizer Output Level (3)
50
EQin EQout 30 step
V_CC = 14 V, 0 dB = –8 dBs
10
1.0
15 kHz
315 Hz
10 kHz
1 kHz
0.1
–30
6.3 kHz
3.15 kHz
–20 –10 0 10 20 30
Equalizer Output Level (dB)
Equalizer Amp. Gain vs. R _GL
45
EQin EQout V_CC = 14 V
Vin = –46 dBS = 0 dB
40
EQ.DAC = 0 Step
RGH = RGP = 33 k
R_FQ = R_F/Q = 51 k
R_FM = 100 k
35
30
25
: 316 Hz
: 1 kHz
20
15
5 k 10 k
30 k
100 k 300 k
1M
R _GL ( )
Rev.3, Jun. 1997, page 64 of 73