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UPC1892 Datasheet(PDF) 23 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) 23 Page - NEC

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µPC1892
23
Electrical characteristics measurement:
µPC1892CT-02 Volume control, tone control block (3/3)
Parameter
Symbol
Test conditions
Surround
mode
VOL
BAL
TRE
BAS
L+R
EFF
Low-band cut control VBC
OFF
5.0
2.5
2.5
2.5
–
–
↓
L-channel
0.5
LIN (Pin 25) : f = 100 Hz, VIN = 0.5 Vr.m.s.
VREF : LOUT (Pin 14) (Bass control
voltage : 2.5 V)
VATT : LOUT (Pin 14) (Bass control
voltage : 0.5 V)
R-channel
RIN (Pin 26) : f = 100 Hz, VIN = 0.5 Vr.m.s.
VREF : ROUT (Pin 12) (Bass control
voltage : 2.5 V)
VATT : ROUT (Pin 12) (Bass control
voltage : 0.5 V)
High-band boost
VTB
OFF
5.0
2.5
2.5
2.5
–
–
control
↓
L-channel
4.5
LIN (Pin 25) : f = 10 kHz, VIN = 0.5 Vr.m.s.
VREF : LOUT (Pin 14) (Treble control
voltage : 2.5 V)
VBST : LOUT (Pin 14) (Treble control
voltage : 4.5 V)
R-channel
RIN (Pin 26) : f = 10 kHz, VIN = 0.5 Vr.m.s.
VREF : ROUT (Pin 12) (Treble control
voltage : 2.5 V)
VBST : ROUT (Pin 12) (Treble control
voltage : 4.5 V)
High-band cut
VTC
OFF
5.0
2.5
2.5
2.5
–
–
control
↓
L-channel
0.5
LIN (Pin 25) : f = 10 kHz, VIN = 0.5 Vr.m.s.
VREF : LOUT (Pin 14) (Treble control
voltage : 2.5 V)
VATT : LOUT (Pin 14) (Treble control
voltage : 0.5 V)
R-channel
RIN (Pin 26) : f = 10 kHz, VIN = 0.5 Vr.m.s.
VREF : ROUT (Pin 12) (Treble control
voltage : 2.5 V)
VATT : ROUT (Pin 12) (Treble control
voltage : 0.5 V)
Note 1. OFF: OFF mode
2. VOL: Volume control voltage, BAL: Balance control voltage, TRE: Treble control voltage, BAS: Bass control voltage,
L+R: L+R volume control voltage, EFF: Effect control voltage, –: Undefined
Note 1
Control pin voltage (V) Note 2
VATT
VTC = 20 log
VREF
VBST
VTB = 20 log
VREF
VATT
VBC = 20 log
VREF



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