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UPC1892 Datasheet(PDF) 8 Page - NEC

Part # UPC1892
Description  MATRIX SURROUND SOUND PROCESSOR WITH SOUND PROCESSOR
PDF  42 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC1892 Datasheet(HTML) 8 Page - NEC

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µPC1892
8
Pin number/name
Equivalent circuit
Description
16 Treble control
(Pins 17, 18, 19 and 20 are same as pin 16.)
Sound control pin.
17 Bass control
18 L+R-ch volume control
19 Volume control
20 Balance control
23 Effect control
Surround effect control pin.
Input impedance: approx. 100 k
Ω.
24 Reference voltage
25 L-ch signal input
(Pin 26 is same as pin 25.)
Input impedance: approx. 40 k
Ω.
26 R-ch signal input
75 k
Ω
75 k
Ω
16
VCC
40 A
µ
50 k
Ω
50 k
Ω
23
VCC
40 A
µ
20 k
Ω
20 k
Ω
10 k
Ω
3 k
Ω
+
–
22 F
VCC
VCC
µ
24
+
–
22 F
VCC
VCC
VCC
µ
5 A
18.3 k
Ω
18.3 k
Ω
µ
25
1
2
Explanation of Pins (3/4)



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