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參數(shù)資料
| 型號： | UPC1892 |
| 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)： | 12/42頁 |
| 文件大小： | 299K |
| 代理商： | UPC1892 |
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μ
PC1892
12
μ
PC1892CT Volume control, tone control block (1/1)
Parameter
Symbol
Test conditions
Note 1
MIN. TYP. MAX. Unit
Volume attenuation
ATT
VOL
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Volume control voltage: 0.2 V
0 dB: Volume control voltage = H
Filter: JIS-A
H
↓
0.2
M
M
M
OFF
–
–80
–72
dB
L+R volume attenuation
ATT
L+RVOL
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
L+R volume control voltage:
0.2 V
0 dB: L+R volume control
voltage = H
Filter: JIS-A
–
–
–
–
–
–
–85
–75
dB
Balance attenuation L-ch
ATT
BALL
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Balance control voltage: 4.5 V
0 dB: Balance control voltage = M
Filter: JIS-A
H
M
↓
4.5
M
M
OFF
–22
–18
–12
dB
Balance attenuation R-ch
ATT
BALR
V
IN
= 0.5 V
r.m.s.
, f = 1 kHz,
Balance control voltage: 0.5 V
0 dB: Balance control voltage = M
Filter: JIS-A
H
M
↓
0.5
M
M
OFF
–22
–18
–12
dB
Low-band boost control
V
BB
V
IN
= 0.5 V
r.m.s.
, f = 100 Hz,
Bass control voltage: 4.5 V
0 dB: Bass control voltage = M
H
M
M
M
↓
4.5
OFF
7
10
13
dB
Low-band cut control
V
BC
V
IN
= 0.5 V
r.m.s.
, f = 100 Hz,
Bass control voltage: 0.5 V
0 dB: Bass control voltage = M
H
M
M
M
↓
0.5
OFF
–13
–10
–7
dB
High-band boost control
V
TB
V
IN
= 0.5 V
r.m.s.
, f = 10 kHz,
Treble control voltage: 4.5 V
0 dB: Treble control voltage = M
H
M
M
↓
4.5
M
OFF
7
10
13
dB
High-band cut control
V
TC
V
IN
= 0.5 V
r.m.s.
, f = 10 kHz,
Treble control voltage: 0.5 V
0 dB: Treble control voltage = M
H
M
M
↓
0.5
M
OFF
–13
–10
–7
dB
Note 1.
H: 5.0 V, M: 2.5 V, L: 0 V, –: Undefined, The alphanumeric numbers in this table represent the level (V).
2.
OFF: OFF mode, –: Undefined
Note 2
S
Note 1
Control pin voltage
(V)
B
T
V
B
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