參數(shù)資料
型號: UPC1876GT
廠商: NEC Corp.
英文描述: US MTS DECODER
中文描述: 美國的多邊貿(mào)易體制解碼器
文件頁數(shù): 26/40頁
文件大小: 309K
代理商: UPC1876GT
μ
PC1876
26
Data Sheet S11666EJ4V0DS00
(2/2)
Parameter
Symbol
Test conditions
MIN.
TYP.
MAX.
Unit
SAP single frequency
characteristics 1
V
OSAP21
f = 1 kHz, 30% modulation
(f = 300 Hz : 0 dB)
Noise reduction : OFF
–0.5
0
+0.5
dB
SAP single frequency
characteristics 2
V
OSAP22
f = 3 kHz, 30% modulation
(f = 300 Hz : 0 dB)
Noise reduction : OFF
–0.5
0
+0.5
dB
SAP single frequency
characteristics 3
V
OSAP23
f = 8 kHz, 30% modulation
(f = 300 Hz : 0 dB)
Noise reduction : OFF
–1.0
0
+1.0
dB
Stereo channel separation 1
Sep
1
f = 300 Hz, 30% modulation
27
32
dB
Stereo channel separation 2
Sep
2
f = 1 kHz, 30% modulation
25
30
dB
Stereo channel separation 3
Sep
3
f = 3 kHz, 30% modulation
27
35
dB
Monaural total distortion rate
THD
MO
f = 1 kHz, 100% modulation
0.1
0.5
%
Stereo total distortion rate 1
THD
ST1
f = 1 kHz, 100% modulation
0.3
1.5
%
Stereo total distortion rate 2
THD
ST2
f = 8 kHz, 30% modulation
0.8
1.8
%
SAP total distortion rate
THD
SAP1
f = 1 kHz, 100% modulation
0.5
2.0
%
SAP single distortion rate
THD
SAP2
f = 1 kHz, 100% modulation,
Noise reduction : OFF
0.7
2.0
%
Cross talk 1
SAP
stereo
CT
1
SAP: f = 3 kHz, 30% modulation
Stereo: L-only,
f = 800 Hz, 30% modulation
–60
–50
dB
Cross talk 2
stereo
SAP
CT
2
SAP: f = 800 Hz, 30% modulation
Stereo: L-only,
f = 3 kHz, 30% modulation
–60
–50
dB
Total muting level
Mute
f = 1 kHz, 100% modulation
60
70
dB
LED driver saturation voltage
V
OSAT
I
D
= 10 mA
0.1
0.3
V
dbx timing current
I
T
Current flowing into STI, WTI pins
7.1
7.5
7.9
μ
A
Inter-mode DC offset 1
V
DOF1
Mute
Monaural
No signals
–50
0
+50
mV
Inter-mode DC offset 2
V
DOF2
Mute
Stereo
Input pilot signal only
–50
0
+50
mV
Inter-mode DC offset 3
V
DOF3
Mute
SAP1
Input 5f
H
signal only
–50
0
+50
mV
Monaural total S/N
S/N
MO
f = 300 Hz, 100% modulation
Pre-emphasis : ON
65
68
dB
Stereo total S/N
S/N
ST
f = 300 Hz, 100% modulation
Noise reduction : ON
65
68
dB
SAP total S/N
S/N
SAP
70
80
dB
Reference voltage
V
ref
1.5 V pin
1.35
1.50
1.65
V
DC output saturation voltage
V
OSAT2
DCO pin, I = 1 mA
0.1
0.3
V
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