HA12203NT Datasheet, PDF (89/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12204NT
Equalizer Amp. Gain vs. Frequency (2)
55
50
V_S = ±7.0 V
EQin → EQOUT = –46 dBs
High speed
40
HN
30
20
10
5
10 20
HC
60 100 200
600 1 k 2 k
Frequency (Hz)
6 k 10 k 20 k
Equalizer Total Harmonic Distortion vs. Output Level (1)
100
60 k 100 k
V_S = ±7.0 V
315 Hz
1 kHz
5 kHz
10
10 kHz
Norm speed
Norm tape
1
0.1
–20 –15 –10
–5
0
5
Vout (dBs)
10 15 20
Rev.3, Jun. 1999, page 89 of 97