HA12203NT Datasheet, PDF (91/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12204NT
HA12203NT/HA12204NT
Equalizer Total Harmonic Distortion vs. Output Level (4)
100
V_S = ±7.0 V
315 Hz
2 kHz
10 kHz
10
20 kHz
High speed
Crom tape
1
0.1
–30
–20
–10
0
Vout (dBs)
10
20
EQ Signal to Noise Ratio vs. Split Supply Voltage (1)
70
EQIN → EQOUT
= Normal
Normal SPEED
= Crom
EQ Signal to Noise Ratio vs. Split Supply Voltage (2)
70
f = 1 kHz
Vin = –26 dBS (0 dB)
65
Wait JISA
65
Rg = 5.1 kΩ
60
55
4.75 5
6
7
Split Supply Voltage (V)
60
EQIN → EQOUT
High SPEED
f = 1 kHz
Vin = –26 dBS (0 dB)
55
Wait JISA
Rg = 5.1 kΩ
= Normal
= Crom
8
4.75 5
6
7
8
Split Supply Voltage (V)
Rev.3, Jun. 1999, page 91 of 97