HA12141NT, HA12142NT, HA12170NT,
HA12161FP, HA12162FP
Dolby B- and C-Type Noise Reduction System
ADE-207-036B (Z)
3rd Edition Jun. 1999
Description
HA12141/142NT, HA12170NT, HA12161/162FP are silicon monolithic bipolar IC series providing dual channel Dolby B- and C-type noise reduction* in one chip.
Functions
•Dual Dolby B/C-type NR processor
•NR OFF/B/C control switch
•MPX by-pass / Encode / Decode (MPX OFF / REC / PB) control switch
•MPX Filter Drive Circuit
Features
•Low external parts count
•R-C spectrum skewing network using passive component
•External capacitors are E-3 series (small values)
•Several time constant capacitors built into the IC
•Separate REC/PB input and output. Unprocessed signal output available in the encode and decode modes.
•Common PCB pattern is available with HA12134A series (Dolby B NR), because these ICs offer similar pin layout.
•3 type PB-out level (300 mV, 580 mV, 775 mV)
•2 type package (DP-30S, FP-28D)
•Wide range of operating supply voltage (7.5 V to 16 V)
*Dolby is a trademark of Dolby Laboratories Licensing Corporation.
A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Ordering Information
Type No. |
Package |
Dolby Level |
PB-OUT Level |
REC-OUT Level |
Remark |
HA12141NT |
DP-30S |
300 m Vrms |
300 m Vrms |
300 m Vrms |
— |
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HA12142NT |
DP-30S |
300 m Vrms |
580 m Vrms |
300 m Vrms |
— |
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HA12170NT |
DP-30S |
300 m Vrms |
775 m Vrms |
300 m Vrms |
— |
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HA12161FP |
FP-28D |
300 m Vrms |
300 m Vrms |
— |
PB-mode only |
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HA12162FP |
FP-28D |
300 m Vrms |
580 m Vrms |
— |
↓ |
Notes: 1. The common specifications are shown below.
REC-IN Level |
PB-IN Level |
IA-OUT Level (REC) |
IA-OUT Level (PB) |
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42.9 mVrms |
30.0 mVrms |
429 mVrms |
300 mVrms |
2. The values listed above show approximate values to be offered Dolby Level at TP.
Absolute Maximum Ratings (Ta = 25°C, unless otherwise specified)
Item |
Symbol |
Rating |
Unit |
Note |
Supply voltage |
VCCmax |
16 |
V |
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Power dissipation |
PD |
400 |
mW |
Ta ≤ 85°C |
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Operating temperature |
Topr |
–40 to +85 |
°C |
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Storage temperature |
Tstg |
–55 to +125 |
°C |
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Rev.3, Jun. 1999, page 2 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Electrical Characteristics (HA12141NT, HA12142NT, HA12170NT) (Ta = 25°C, VCC = Vopr-typ, unless otherwise specified)
(Dolby Level = 300 mVrms at TP (REC-mode: TP2, TP4 PB-mode: TP1, TP3))
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Test conditions |
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Item |
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Symbol |
Min |
Typ |
Max |
Unit R/P |
NR |
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f (Hz) |
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Operating |
HA12141NT |
Vopr |
7.5 |
12.0 |
16.0 |
V |
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— |
— |
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voltage |
HA12142NT |
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9.5 |
12.0 |
16.0 |
V |
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HA12170NT |
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12.0 |
14.0 |
16.0 |
V |
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Quiescent current |
ICC |
— |
12.0 |
— |
mA |
R |
OFF |
— |
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No signal |
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Input amp gain |
Gv |
18.0 |
20.0 |
22.0 |
dB |
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R |
OFF |
1 k |
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Vin = 0dB |
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(IA REC) |
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Gv (IA PB) |
18.0 |
20.0 |
22.0 |
dB |
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OFF |
1 k |
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B–type NR |
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B-ENC-2 k 2.8 |
4.3 |
5.8 |
dB |
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R |
B |
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2 k |
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Vin = –20dB |
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Encode boost |
B-ENC-5 k 1.7 |
3.2 |
4.7 |
dB |
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R |
B |
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5 k |
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Vin = –20dB |
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C–Type NR |
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C-ENC-1 k 3.9 |
5.9 |
7.9 |
dB |
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R |
C |
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1 k |
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Vin = –20dB |
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(1) |
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Encode boost |
C-ENC-1 k 18.1 |
19.6 |
21.6 |
dB |
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R |
C |
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1 k |
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Vin = –60dB |
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(2) |
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C-ENC- |
9.8 |
11.8 |
13.8 |
dB |
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R |
C |
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700 |
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Vin = –30dB |
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700 |
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Signal |
HA12141NT |
Vomax |
12.0 |
13.0 |
— |
dB |
R |
OFF |
1 k |
THD = 1% V CC = 7.5V |
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handling |
HA12142NT |
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12.0 |
13.0 |
— |
dB |
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V CC = 9.5V |
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HA12170NT |
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12.0 |
13.0 |
— |
dB |
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V CC = 12V |
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Rev.3, Jun. 1999, page 3 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Electrical Characteristics (Ta = 25°C, VCC = Vopr-typ, unless otherwise specified)
(Dolby Level = 300 mVrms at TP (REC-mode: TP2, TP4 PB-mode: TP1, TP3)) (cont)
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Test conditions |
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Item |
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Symbol |
Min |
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Typ |
Max |
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Unit R/P |
NR |
f (Hz) |
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Signal to noise ratio |
S/N (REC) |
60.0 |
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64.0 |
— |
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dB |
R |
C |
— |
Rg = 5.1k Ω |
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CCIR/ARM |
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Total harmonic distortion |
THD (OFF) — |
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0.03 |
0.15 |
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% |
R |
OFF |
1 k |
Vin = 0dB |
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THD (C) |
— |
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0.09 |
0.3 |
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% |
R |
C |
1 k |
Vin = 0dB |
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NR OFF frequency |
FR-OFF |
–3.0 |
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0.0 |
+3.0 |
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dB |
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P |
OFF |
100 k |
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Vin = 0dB |
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response |
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Crosstalk between |
CT (R→ |
P) |
— |
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80.0 |
— |
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dB |
P |
OFF 1 k |
Vin = 0dB |
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REC-PB |
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CT (P→ |
R) |
— |
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80.0 |
— |
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dB |
R |
OFF 1 k |
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Crosstalk between |
CT (L→ |
R) |
— |
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85.0 |
— |
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dB |
R |
OFF 1 k |
Vin = 0dB |
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channel |
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CT (R→ |
L) |
— |
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85.0 |
— |
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dB |
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Control voltage for MPX |
Vcont |
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VCC–1 |
— |
V CC |
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V |
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OFF/REC/PB |
(MPX) |
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Vcont |
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2.5 |
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— |
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VCC + |
0.5 |
V |
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(REC) |
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2 |
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Vcont (PB) 0.0 |
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— |
0.4 |
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V |
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Control voltage for NR |
Vcont (C) |
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VCC |
+ 3 |
— |
V CC |
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V |
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2 |
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C/B OFF |
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Vcont (B) |
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VCC |
– 0.5 |
— |
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VCC |
+ |
0.5 |
V |
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2 |
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Vcont |
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0.0 |
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— |
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VCC |
– 3 |
V |
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(OFF) |
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2 |
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PB-OUT |
HA12141NT |
Vout |
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250 |
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300 |
350 |
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mVrms R |
OFF 1 k |
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Vin = 0dB |
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level |
HA12142NT |
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490 |
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580 |
670 |
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mVrms |
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HA12170NT |
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646 |
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775 |
904 |
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mVrms |
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REC-OUT offset |
Voffset |
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–70 |
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0.0 |
70 |
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mV |
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R |
OFF |
— |
V CC = 16V |
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→ C |
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No signal |
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Channel balance |
∆ Gv |
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–1.0 |
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0.0 |
1.0 |
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DB |
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OFF |
1 k |
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Vin = 0dB |
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Rev.3, Jun. 1999, page 4 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Electrical Characteristics (HA12161FP, HA12162FP) (Ta = 25°C, VCC = 12 V, Unless otherwise specified)
(Dolby Level = 300 mVrms at TP (PB-mode: TP1, TP3))
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Test conditions |
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Item |
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Symbol |
Min |
Typ |
Max |
Unit P/AUX NR |
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f (Hz) |
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Operating |
HA12161FP |
Vopr |
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7.5 |
12.0 |
16.0 |
V |
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— |
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voltage |
HA12162FP |
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9.5 |
12.0 |
16.0 |
V |
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Quiescent current |
ICC |
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— |
12.0 |
— |
mA |
P |
OFF |
— |
No signal |
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Input amp gain |
Gv |
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18.0 |
20.0 |
22.0 |
dB |
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AUX1 OFF |
1 k |
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Vin = 0dB |
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(IA AUX 1) |
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Gv (IA PB) |
18.0 |
20.0 |
22.0 |
dB |
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P |
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OFF |
1 k |
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B-type NR |
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B-DEC-2 k |
–5.8 |
–4.3 |
–2.8 |
dB |
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P |
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B |
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2 k |
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Vout = –20dB |
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decode cut |
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B-DEC-5 k –4.7 |
–3.2 |
–1.7 |
dB |
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P |
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B |
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5 k |
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Vout = –20dB |
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C-Type NR |
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C-DEC-1 k –7.9 |
–5.9 |
–3.9 |
dB |
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P |
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C |
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1 k |
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Vout = –20dB |
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decode cut |
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(1) |
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C-DEC-1 k –21.6 |
–19.6 |
–18.1 |
dB |
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P |
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C |
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1 k |
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Vout = –60dB |
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(2) |
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Signal |
HA12161FP |
Vomax |
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12.0 |
13.0 |
— |
dB |
P |
OFF |
1 k |
THD = 1% V CC = 7.5V |
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handling |
HA12162FP |
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12.0 |
13.0 |
— |
dB |
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V CC = 9.5V |
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Signal to noise ratio |
S/N (PB) |
70.0 |
76.0 |
— |
dB |
P |
OFF |
— |
Rg = 10k Ω |
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CCIR/ARM |
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Total harmonic distortion |
THD (OFF) — |
0.03 |
0.15 |
% |
P |
OFF |
1 k |
Vin = 0dB |
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THD (C) |
— |
0.09 |
0.3 |
% |
P |
C |
1 k |
Vin = 0dB |
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NR OFF frequency |
FR-OFF |
–4.0 |
–1.0 |
+3.0 |
dB |
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P |
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OFF |
100 k |
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Vin = 0dB |
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response |
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Crosstalk |
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CT (AUX |
— |
80.0 |
— |
dB |
P |
OFF |
1 k |
Vin = 0dB |
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between AUX 1→ PB |
1→ PB) |
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Crosstalk |
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CT (L→ |
R) |
— |
85.0 |
— |
dB |
P |
OFF |
1 k |
Vin = 12dB |
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between channel |
CT (R→ |
L) |
— |
85.0 |
— |
dB |
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Rev.3, Jun. 1999, page 5 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Electrical Characteristics (HA12161FP, HA12162FP) (Ta = 25°C, VCC = 12 V, Unless otherwise specified)
(Dolby Level = 300 mVrms at TP (PB-mode: TP1, TP3)) (cont)
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Test conditions |
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Item |
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Symbol |
Min |
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Typ |
Max |
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Unit |
P/AUX NR |
f (Hz) |
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Control voltage for |
Vcont |
VCC–1 |
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— |
V CC |
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V |
A2/ A1/ P 24 |
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Measure |
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AUX 2/AUX 1/PB |
(AUX 2) |
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22k |
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V |
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Vcont |
2.5 |
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— |
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VCC |
+ |
0.5 |
V |
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(AUX 1) |
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2 |
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Vcont (PB) 0.0 |
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— |
0.4 |
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V |
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Control voltage for |
Vcont (C) |
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VCC |
3 |
— |
V CC |
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V |
C/ B/ OFF |
5 |
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Measure |
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NR C/B OFF |
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2 + |
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22k |
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V |
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Vcont (B) |
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VCC |
– 0.5 |
— |
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VCC |
+ |
0.5 |
V |
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2 |
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2 |
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Vcont |
0.0 |
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— |
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VCC |
– 3 |
V |
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(OFF) |
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2 |
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PB-OUT |
HA12161FP |
Vout |
250 |
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300 |
350 |
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mVrms P |
OFF 1 k |
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Vin = 0dB |
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level |
HA12162FP |
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490 |
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580 |
670 |
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mVrms |
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PB-out offset |
Voffset |
–100 |
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0.0 |
+100 |
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mV |
P |
OFF |
— |
No signal |
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→ C |
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Channel balance |
∆ Gv |
–1.0 |
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0.0 |
1.0 |
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dB |
P |
OFF |
1 k |
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Vin = 0dB |
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Rev.3, Jun. 1999, page 6 of 63
63 of 7 page 1999, .Jun 3,.Rev
REC |
GND |
PB |
BIAS |
M/R/P |
IA OUT |
NR |
VREF |
PB |
SS1 |
SS2 |
CCA |
HLS |
LLS |
REC |
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IN |
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IN |
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IN |
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OUT |
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DET |
DET |
OUT |
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C18 |
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C19 |
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18 k |
R8 |
MPX |
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R14 |
2200 p |
R16 |
2200 p |
560 |
2000 p |
0.1 |
0.1 |
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5.6 k |
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R9 |
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±5% |
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±5% |
R17 |
C17 |
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C10 |
C16 |
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±2% |
22 k |
R 15 |
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22 k |
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±2% |
±5% |
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±10% |
±10% |
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2.4 k |
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±2% |
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30 |
29 |
28 |
27 |
26 |
25 |
24 |
23 |
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22 |
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21 |
20 |
19 |
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18 |
17 |
16 |
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IA |
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SW |
MA |
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SS |
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HLS |
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AS LLS |
REC A |
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IA |
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SW |
MA |
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SS |
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HLS |
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AS LLS |
REC A |
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1 |
2 |
3 |
4 |
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5 |
6 |
7 |
8 |
9 |
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10 |
11 |
12 |
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13 |
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14 |
15 |
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R12 |
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R |
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+ |
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+ 2.4 k |
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R13 |
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18 |
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C14 |
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C5 |
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C15 |
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C 4 |
R3 |
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22 k |
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R 19 |
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1 |
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22 |
MPX |
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5.6 k |
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±2% |
C 21 |
560 |
2200 p |
0.1 |
0.1 |
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22 k |
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C 20 |
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±2% |
±5% |
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±10% |
±10% |
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C13 |
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2200 p |
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2200 p |
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±5% |
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±5% |
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REC |
VCC |
PB |
REF |
C/B/OFF |
IA |
NR |
VREF |
PB |
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SS1 |
SS2 |
CCR |
HLS |
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LLS |
REC |
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IN |
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IN |
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OUT |
IN |
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OUT |
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DET |
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DET |
OUT |
Note; 1. |
Resistor tolerance are ±10% unless otherwise specified. |
Unit; R: Ω |
2. |
Capacitor tolerance are ±20% unless otherwise specified |
C: F |
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except for coupling capacitors. |
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HA12170NT) HA12142NT, (HA12141NT, Diagram Block |
HA12161FP, HA12170NT, HA12142NT, HA12141NT, |
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HA12162FP |
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63 of 8 page 1999, .Jun 3,.Rev |
.capacitorscouplingforexceptspecifiedotherwise unless ±20% are tolerances Capacitor .2 |
.specifiedotherwise unless ±10% are tolerances Resistor .1 Notes: |
FC: |
R:UnitΩ |
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RB |
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HA12162FP) (HA12161FP, Diagram Block |
HA12162FPHA12161FP,HA12170NT, HA12142NT, HA12141NT, |
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AUX |
GND |
PB |
BIAS |
AUX1/ |
IA |
NR |
VREF |
OUT |
SS1 |
SS2 |
CCR |
HLS |
LLS |
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IN |
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IN |
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AUX2/P |
OUT |
IN |
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DET |
DET |
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C18 |
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C19 |
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2200p |
2200p |
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R9 |
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±5% |
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±5% |
R17 |
C17 |
C10 |
C16 |
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18k |
R8 |
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R16 |
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±2% |
22k |
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22k |
560 |
2200p |
0.1µ |
0.1µ |
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±2% |
±2% |
±5% |
±10% |
±10% |
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28 |
27 |
26 |
25 |
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24 |
23 |
22 |
21 |
20 |
19 |
18 |
17 |
16 |
15 |
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IA |
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SW |
MA |
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SS |
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H LS |
AS LLS |
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IA |
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SW |
MA |
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SS |
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H LS |
AS LLS |
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1 |
2 |
3 |
4 |
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5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
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R3 |
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R18 |
R19 |
C14 |
C5 |
C15 |
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C4 + |
+ |
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22k |
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22k |
C13 |
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±2% |
560 |
2200p |
0.1µ |
0.1µ |
|
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||
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1µ |
|
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22µ |
|
C20 |
|
C21 |
±2% |
±5% |
±10% |
±10% |
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2200p |
2200p |
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±5% |
|
±5% |
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AUX |
VCC |
PB |
REF |
C/B/OFF |
IA |
NR |
VREF |
|
SS1 |
SS2 |
CCR |
HLS |
LLS |
|
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IN |
|
IN |
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OUT |
IN |
|
RB |
|
DET |
DET |
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OUT |
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63 of 9 page 1999, .Jun 3,.Rev
|
C11 |
|
M/R/P |
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MPX |
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0.47 µ |
+ |
OFF REC PB |
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+ |
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SW7 |
||
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To Vcc |
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C9 |
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SW9 P |
R10 |
R8 |
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TP4 |
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2.2 µ R7 |
|
P |
|||||
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SW8 |
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|||||||||
C12 |
10k |
|
22k |
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10k |
R |
||||
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R0.47 µ + |
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TP3 |
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C18 |
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+ |
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C19 |
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C8 |
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R6 |
||||
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R14 2200p |
2200p R17 |
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µ |
||||||
R11 |
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R9 |
|
R15 |
5.6k |
R16 |
|
560 |
C17 |
|
C10 |
C16 |
2.2 |
|
10k |
||
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|||||||||||
5.1k |
29 |
28 |
18k |
26 |
2.4k |
|
23 |
22k |
21 |
20 |
2200p |
0.1 |
0.1 |
|
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||
30 |
27 |
25 |
24 |
22 |
19 |
18 |
17 |
16 |
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L |
HA12141/42/70 |
|
SW1 |
|
|
SW2 |
(Dolby B-C NR) |
SW6 |
OFF ON |
|
|
R |
|
|
Audio SG
HP 339A or
Equivalent
C10 |
|
1 |
|
2 |
3 |
|
4 |
|
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
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|||
µ |
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C4 |
+ |
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R12 |
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R18 |
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||
0.47 |
+ |
100 |
1 |
µ |
+ |
|
|
2.4k R13 |
|
|
22k |
R19 |
C14 |
|
C5 |
C15 |
C7 |
|
|||||
R |
|
|
µ |
+ |
|
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|
5.6k |
|
C20 |
C21 |
560 |
|
2200p |
0.1 |
0.1 |
|
µ |
|||
R1 |
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TP1 |
|
2200p |
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+ 2.2 |
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C3 |
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C13 |
|
2200p |
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|||||||||
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5.1k |
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R |
|||||||||
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22 |
µ |
R3 |
|
TP2 |
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R5 |
|||
SW3 P |
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+ |
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22k |
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C |
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10k |
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|||||
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C2 |
|
OFF |
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+ |
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P SW5 |
|||||||
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R2 |
µOFF ON |
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||||||||
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0.47 |
|
B |
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C6 |
µ |
|
R4 |
|
|||||
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10k |
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C/B/OFF |
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2.2 |
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SW10 |
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10k |
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SW4 |
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|||
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DC Power |
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|
Note: 1. Resistor tolerances are ±1% |
||||||||||
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Source |
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2. Capacitor tolerances are ±1% |
|||||
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3. Unit R: Ω |
|
C:F |
|
AC Volt Meter HP 400E or Equivalent
Distortion
Analyzer
HP 339A or
Equivalent
Oscilloscope TEKTRO 475 or Equivalent
Noise Meter with CCIR/ ARM Filter
HA12170NT) HA12142NT, (HA12141NT, Circuit Test |
HA12170NT, HA12142NT, HA12141NT, |
|
HA12162FP HA12161FP, |
|
|
63of10page1999, .Jun 3,.Rev |
FC:,R:Unit.3Ω |
1%–aretolerancesCapacitor.2 |
1%–aretolerancesResistor.1Notes: |
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A2/A1/P |
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+ |
|
|
HA12162FP)(HA12161FP,Circuit Test |
HA12170NT,HA12142NT,HA12141NT, |
||
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C11 |
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SW8 |
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R7 |
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|||
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0.47 |
AUX2 |
AUX1 PB |
|
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C9 |
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|||||
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SW9 |
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+ |
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2.2 |
10k |
|
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P C12 |
R10 |
To VCC |
|
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C17 |
|
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|||||
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C18 |
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||||||||
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A |
0.47 |
10k |
|
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|
R8 |
|
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|
C19 |
|
|
2200p |
|
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||
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|
2200p |
|
R17 |
|
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|
||||||
|
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+ |
|
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|
22k TP3 |
|
|
2200p |
|
C10 |
|
C16 |
|
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|
||||
|
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|
R11 |
|
|
R9 |
|
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R16 |
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560 |
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||
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0.1 |
|
0.1 |
AS VOLT |
|
|
||||
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|
5.1k |
|
|
18k |
|
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|
22k |
|
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||
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|
28 |
27 |
26 |
|
25 |
|
24 |
23 |
22 |
21 |
20 |
19 |
18 |
17 |
16 |
15 |
|
METER |
|
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HP 400E or |
|
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EQUIVALENT |
|
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|
DISTORTION |
|
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SW1 |
|
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|
ANALYZER |
|
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L |
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L |
HP 339A or |
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OFF |
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|||
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SW2 |
|
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|
HA12161/2 |
|
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|
|
EQUIVALENT |
|
|
||||
|
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|
ON |
|
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|||||
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|
R |
|
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|
|
(Dolby B-C NR) |
|
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|
R |
OSCILLOSCOPE |
|
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|||
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||||||
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||
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|
AUDIO SG |
|
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|
SW6 |
TEKTRO 475 or |
|
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|
|
HP339A or |
|
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|
|
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|
|
EQUIVALENT |
|
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|
EQUIVALENT |
|
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|
NOISE METER |
|
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|
|
1 |
2 |
3 |
|
4 |
|
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
|
WITH CCIR/ |
|
HA12161FP, |
|
|
|
|
|
|
|
|
|
|
|
ARM FILTER |
|
||||||||||||||||
|
|
|
|
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|
|
C1 |
|
|
C4 |
+ |
|
|
|
|
|
R18 |
|
|
|
|
C5 |
|
C15 |
|
||
|
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|||||||
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||||||
|
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|
|
0.47 |
|
|
1 |
|
|
|
|
|
22k |
|
|
R19 |
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
+ |
|
|
|
|
|
|
|
0.1 |
|
0.1 |
|
|
|
||||
|
|
|
|
|
|
|
+ |
C3 |
+ |
|
|
|
|
|
C20 |
|
C21 |
|
|
|
|
|
|
||||
|
|
|
|
|
|
A |
|
C13 |
TP1 |
|
|
|
560 |
C14 |
|
|
|
|
|
|
|||||||
|
|
|
|
|
|
R1 |
100 |
|
|
R3 |
|
|
2200p |
2200p |
|
|
|
|
|
|
|
||||||
|
|
|
|
|
SW3 |
P |
5.1k |
|
+ |
|
22 |
|
22k |
|
|
|
|
|
|
|
2200p |
|
|
|
|
|
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|
|
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|
C |
|
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|
|
|
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||
|
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|
R2 |
|
|
|
|
OFF |
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
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|
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|
C2 |
|
|
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|
|||||
|
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|
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|
|||
|
|
|
|
|
|
|
10k |
|
|
|
|
|
|
|
|
|
|
|
|
|
+ |
|
|
|
|
||
|
|
|
|
|
|
|
0.47 |
|
|
|
B |
|
|
|
|
|
|
|
|
|
|
|
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|
|||
|
|
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|
|
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|
|
|
|
|
|
|
|
C6 |
R4 |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
ON |
C/B/OFF |
|
SW4 |
|
|
|
|
|
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
OFF |
SW10 |
|
|
|
|
|
|
|
|
|
|
|
2.2 |
10k |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
HA12162FP |
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
DC POWER |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
SOURCE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
63 of 11 page 1999, .Jun 3,.Rev
Series HA12134A with 22µF.=010C ,5C Note:
|
|
|
C11 |
|
|
M/R/P |
|
|
|
|
|
|
|
+ |
|
|
|
|
|
|
|
|
|
|
PB IN |
|
|
|
MPX |
REC |
|
|
|
|
|
|
|
|
PB OUT |
|
|
|
|
||||
|
|
0.47µ |
|
|
|
|
|
|
|
|
C9 |
|
R7 |
|
|
|
|
||||||
|
(L) |
|
+ |
|
|
OFF |
|
|
PB |
|
|
|
|
|
|
(L) |
|
|
|
|
|
||
|
|
R10 |
|
|
|
|
|
|
|
|
|
|
2.2µ |
10k |
|
|
|
|
|
|
|||
|
C12 |
|
|
To VCC |
|
|
|
|
|
|
|
|
|
|
|
|
|
C8 |
|
|
|||
|
0.47µ |
10k |
|
|
|
|
|
TP4 |
|
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REC IN |
+ |
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R8 |
TP3 |
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C18 |
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C19 |
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2.2µ |
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MPX |
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(L) |
R11 |
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2200p |
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REC OUT |
|||||
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R |
9 |
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22k |
R14 |
2200p |
R17 |
C17 |
C10 |
C16 |
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R6 |
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R15 |
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5.1k |
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R16 |
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560 |
2200p |
0.1µ |
0.1µ |
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(L) |
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18k |
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5.6k |
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10k |
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2.4k |
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22 22k 21 |
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30 |
29 |
28 |
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27 |
26 |
25 |
24 |
23 |
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20 |
19 |
18 |
17 |
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16 |
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16 |
15 |
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14 |
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13 |
12 |
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11 |
10 |
9 |
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HA12134A/5A/6A |
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(Dolby B NR) |
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HA12141/42/70 |
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(Dolby B-C NR) |
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1 |
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2 |
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3 |
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4 |
5 |
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6 |
7 |
8 |
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1 |
2 |
3 |
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4 |
5 |
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6 |
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7 |
8 |
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9 R18 |
10 |
11 |
12 |
13 |
14 |
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15 |
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C1 |
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C4 + |
+ |
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R12 |
R13 |
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22k |
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R19 |
C14 |
C5 |
C15 |
+ |
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0.47µ |
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C3 + |
1µ |
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2.4k |
5.6k |
C20 |
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C21 |
560 |
2200p |
0.1µ |
0.1µ |
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REC OUT |
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MPX |
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REC IN |
+ |
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100µ |
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C13 |
R3 TP1 |
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2200p |
2200p |
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C7 |
R5 |
(R) |
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(R) |
R1 |
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22µ |
22k |
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TP2 |
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2.2µ |
10k |
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5.1k |
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+ |
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OFF |
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PB IN |
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R2 |
C2 |
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B |
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+ |
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(R) |
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PB OUT |
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10k |
0.47µ |
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C/B/OFF |
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C6 |
R4 |
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(R) |
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SW4 |
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10k |
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2.2µ |
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VCC
Series) HA12141 Series, (HA12134A Diagram Connection |
HA12161FP, HA12170NT, HA12142NT, HA12141NT, |
|
HA12162FP |
|
|
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Pin Description (VCC = 12 V, Ta = 25°C, no signal, the value in the table show typical value.)
Pin No. |
Terminal |
|
DC |
|
|||||
DP |
SOP |
Name |
Zin |
Voltage Equivalent circuit |
Description |
||||
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1 |
1 |
REC IN |
75 kΩ |
VCC/2 |
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Recording input |
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75 k Ω |
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VCC/2 |
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30 |
28 |
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3 |
3 |
PB IN |
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Playback input |
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28 |
26 |
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2 |
2 |
VCC |
— |
V CC |
— |
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Power supply |
|||||
4 |
4 |
REF |
— |
V CC/2 |
— |
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Ripple filter |
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5 |
5 |
C/B/OFF |
— |
V CC/2 |
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Mode control pin for NR |
||
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– 0.7V |
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“H”→ |
C |
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“M”→ |
B |
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“L”→ |
NR OFF |
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20 k Ω |
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VCC /2 – 0.7 |
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100 k Ω |
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GND |
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||
7 |
7 |
NR IN |
— |
V CC/2 |
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NR processor input |
||
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24 |
22 |
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10 |
10 |
SS 1 |
— |
V CC/2 |
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Spectral skewing amp input |
|||
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21 |
19 |
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Rev.3, Jun. 1999, page 12 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Pin Description (VCC = 12 V, Ta = 25°C, no signal, the value in the table show typical value.) (cont)
Pin No. |
Terminal |
|
DC |
|
||||
DP |
SOP |
Name |
Zin |
Voltage Equivalent circuit |
Description |
|||
|
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12 |
12 |
CCR |
— |
V CC/2 |
Current controlled resistor |
|||
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19 |
17 |
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output |
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|||
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6 |
6 |
IA OUT — |
V CC/2 |
|
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|
Input amp. output |
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25 |
23 |
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V CC |
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GND |
|
8 |
8 |
|
VREF |
|
Reference voltage output |
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23 |
21 |
|
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9 |
9 |
|
PB OUT |
|
Playback (Decode) output |
|
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22 |
20 |
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11 |
11 |
|
SS 2 |
|
Spectral skewing amp. |
|
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20 |
18 |
|
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|
output |
|
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|
15 |
— |
REC |
Recording (Encode) output |
||
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|
16 |
— |
OUT |
|
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|
|
Rev.3, Jun. 1999, page 13 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Pin Description (VCC = 12 V, Ta = 25°C, no signal, the value in the table show typical value.) (cont)
Pin No. |
Terminal |
|
DC |
|
|
|||
DP |
SOP |
Name |
Zin |
Voltage Equivalent circuit |
|
Description |
||
|
|
|
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|
13 |
13 |
HLS DET — |
2.1 V |
|
Time constant pin for |
|||
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18 |
16 |
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rectifier |
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14 |
14 |
LLS DET |
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17 |
15 |
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26 |
24 |
M/R/P |
— |
2.1 V |
Mode control pin for REC/PB |
||||||||||||
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“H”→ REC |
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MPX OFF |
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“M”→ REC |
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MPX ON |
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2.1 V |
“L”→ PB |
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|||||
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100 k Ω |
GND |
|||||||
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|||||||||||
27 |
25 |
BIAS |
— |
0.24 V |
Reference current input |
||||||||||||
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GND
29 27 GND |
— |
0.0 V |
— |
Ground |
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|
Rev.3, Jun. 1999, page 14 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
I Q (mA)
16
REC-OFF REC-B REC-C
14 |
PB-OFF |
PB-B
PB-C
12
10
8
6
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
VCC (V)
Quiescent Circuit vs. Supply Voltage
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16 |
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26 |
22 k |
Measure |
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14 |
V |
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12 |
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[V] |
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MPX OFF |
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10 |
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Voltage |
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8 |
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Control |
6 |
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4 |
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REC |
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2 |
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04 |
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PB |
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6 |
8 |
10 |
12 |
14 |
16 |
18 |
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VCC [V] |
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Control Voltage vs. Supply Voltage (PB/REC/MPX)
Rev.3, Jun. 1999, page 15 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
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16 |
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5 |
22 k |
Measure |
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14 |
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V |
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(V) |
12 |
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Voltage |
10 |
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NR–C |
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8 |
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Control |
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6 |
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NR–B |
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4 |
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NR–OFF |
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2 |
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0 |
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4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
V CC (V)
Control Voltage vs. Supply voltage (NR-OFF/B/C)
HA12141NT
Encode Boost (dB)
12 |
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Vin = –0 dB |
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Vin = –10 dB |
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10 |
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Vin = –20 dB |
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7 V |
Vin = –30 dB |
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Vin = –40 dB |
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8
12 V, 16 V
6
4
2
0 |
500 1 k 2 k |
5 k 10 k 20 k |
100 200 |
Frequency (Hz)
Encode Boost vs. Frequency (NR-B VCC = 7V, 12 V, 16 V)
Rev.3, Jun. 1999, page 16 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
HA12141NT
Encode Boost (dB)
25 |
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Vin = –0 dB |
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20 |
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Vin = –20 dB |
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7 V |
Vin = –30 dB |
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Vin = –40 dB |
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15 |
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Vin = –60 dB |
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12 V, 16 |
V |
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10
5
0
–5
–10 |
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100 200 |
500 1 k 2 k |
5 k 10 k 20 k |
Frequency (Hz)
Encode Boost vs. Frequency (NR-C VCC = 7 V, 12 V, 16 V)
HA12141NT, HA12161FP
Decode Cut (dB)
0 |
Vout = –0 dB |
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Vout = –10 dB |
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–2 |
Vout = –20 dB |
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Vout = –30 dB |
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Vout = –40 dB |
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–4 |
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–6 |
12 V, 16 V |
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–8 |
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–10 |
7 V |
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–12 |
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100 200 |
500 1 k 2 k |
5 k 10 k 20 k |
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Frequency (Hz) |
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Decode Cut vs. Frequency (NR-B VCC = 7 V, 12 V, 16 V)
Rev.3, Jun. 1999, page 17 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
HA12141NT, HA12161FP
Decode Cut (dB)
10 |
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Vout = –0 dB |
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Vout = –20 dB |
5 |
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Vout = –30 dB |
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Vout = –40 dB |
0 |
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Vout = –60 dB |
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-5 |
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–10 |
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12 V, 16 V |
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–15 |
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7 V |
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–20 |
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–25 |
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100 |
200 |
500 |
1 k |
2 k |
5 k |
10 k |
20 k |
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Frequency (Hz) |
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Decode Cut vs Frequency (NR-C VCC = 7 V, 12 V, 16 V)
HA12141NT
Total Gain (dB)
20
16
12
8
4
VCC = 12 V
0
10 100 1 k 10 k 100 k
Frequency (Hz)
Total Gain vs. Frequency (REC MODE RECOUT NR-OFF)
Rev.3, Jun. 1999, page 18 of 63
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
HA12141NT, HA12161FP
Total Gain (dB)
20
18
16
OFF/B/C
14
12 |
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VCC = 12 V |
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10 |
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10 |
100 |
1 k |
10 k |
100 k |
Frequency (Hz)
Total Gain vs. Frequency (REC MODE PBOUT)
HA12141NT
Total Gain (dB)
24
22
20
OFF/B/C
18
16 |
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VCC = 12 V |
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14 |
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10 |
100 |
1 k |
10 k |
100 k |
Frequency (Hz)
Total Gain vs. Frequency (PB MODE RECOUT)
Rev.3, Jun. 1999, page 19 of 63