參數(shù)資料
型號: MSP34X1G
廠商: Electronic Theatre Controls, Inc.
英文描述: Multistandard Sound Processor Family with Virtual Dolby Surround
中文描述: 多標準聲音處理器系列與虛擬杜比環(huán)繞聲
文件頁數(shù): 79/104頁
文件大?。?/td> 871K
代理商: MSP34X1G
PRELIMINARY DATA SHEET
MSP 34x1G
Micronas
79
BTSC Characteristics (MSP Standard Code = 20
, 21
)
with a minimum IF input signal level of 70 mVpp (measured without any video/chroma signal components)
S/N
BTSC
S/N of BTSC Stereo Signal
S/N of BTSC-SAP Signal
DACp_s,
SCn_OUT_s
1)
64
55
dB
dB
1 kHz L or R or SAP, 100%
modulation, 75
μ
s deempha-
sis, RMS unweighted 0 to 15
kHz
THD
BTSC
THD
+
N of BTSC Stereo Signal
THD
+
N of BTSC SAP Signal
0.15
0.8
%
%
1 kHz L or R or SAP, 100%
75
μ
s EIM
2)
, DBX NR or
MNR, RMS unweighted
0 to 15 kHz
fR
DBX
Frequency Response of BTSC
Stereo, 50 Hz...12 kHz
Frequency Response of BTSC-
SAP, 50 Hz...9 kHz
1.0
1.0
1.0
1.0
dB
dB
L or R or SAP,
1%...66% EIM
2)
, DBX NR
fR
MNR
Frequency Response of BTSC
Stereo, 50 Hz...12 kHz
2.0
2.0
dB
L or R 5%...66% EIM
2)
, MNR
Frequency Response of BTSC-
SAP, 50 Hz...9 kHz
2.0
2.0
dB
SAP, white noise, 10% Modu-
lation, MNR
XTALK
BTSC
Stereo
SAP
SAP
Stereo
75
75
dB
dB
1 kHz L or R or SAP, 100%
modulation, 75
μ
s deempha-
sis, Bandpass 1 kHz
SEP
DBX
Stereo Separation DBX NR
50 Hz...10 kHz
50 Hz...12 kHz
35
30
dB
dB
L or R 1%...66% EIM
2)
, DBX
NR
SEP
MNR
Stereo Separation MNR
30
dB
L = 300 Hz, R = 3.1 kHz
14% Modulation, MNR
1)
n
means
1
or
2
;
s
means
L
or
R
;
p
means
M
’’
or
‘‘
A
’’
2)
EIM refers to 75-
μ
s Equivalent Input Modulation. It is defined as the audio-signal level which results in a stated percentage modulation,
when the DBX encoding process is replaced by a 75-
μ
s preemphasis network.
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
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