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參數(shù)資料
| 型號： | UPC1892CT |
| 廠商： | NEC Corp. |
| 英文描述： | MATRIX SURROUND SOUND PROCESSOR WITH SOUND PROCESSOR |
| 中文描述： | 矩陣環(huán)繞聲處理器，音頻處理器 |
| 文件頁數(shù)： | 17/42頁 |
| 文件大?。?/td> | 299K |
| 代理商： | UPC1892CT |
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μ
PC1892
17
Electrical Characteristics Measurement List (Supplement) (at T
A
= 25
°
C, RH
≤
70 %, V
CC
= 12 V)
Recommended Operating Conditions
Parameter
Symbol
Conditions
Surround
mode
VOL
BAL
TRE
BAS
L+R
EFF
Input signal level 1
V
IN1
Input level when distortion factor of
L
OUT
(Pin 14) is 1 %,
L
IN
(Pin 25) : f = 1 kHz
Input level when distortion factor of
R
OUT
(Pin 12) is 1 %,
R
IN
(Pin 26) : f = 1 kHz
OFF
5.0
2.5
2.5
2.5
–
–
Input signal level 2
V
IN2
Input level when distortion factor of
L+R
OUT
(Pin 13) is 1 %,
L
IN
, R
IN
(Pin 25, 26) : f = 1 kHz
OFF
–
–
–
–
5.0
–
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
Electrical characteristics measurement: General
Parameter
Symbol
Test conditions
Surround
mode
VOL
BAL
TRE
BAS
L+R
EFF
Supply current
I
CC
Current flowing to V
CC
(Pin 1)
No signal
OFF
5.0
2.5
2.5
2.5
5.0
2.5
Distortion factor
T.H.D.
L-channel
Distortion factor of L
OUT
(Pin 14)
L
IN
(Pin 25) : f = 1 kHz, V
IN
= 0.5 V
r.m.s.
R-channel
Distortion factor of R
OUT
(Pin 12)
R
IN
(Pin 26) : f = 1 kHz, V
IN
= 0.5 V
r.m.s.
OFF
5.0
2.5
2.5
2.5
–
–
L+R distortion factor
T.H.D.
(L+R)
L+R-channel
Distortion factor of L+R
OUT
(Pin 13)
L
IN
(Pin 25), R
IN
(Pin 26) :
f = 1 kHz, V
IN
= 0.5 V
r.m.s.
OFF
–
–
–
–
5.0
–
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
Note 1
Control pin voltage (V)
Note 2
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