參數(shù)資料
型號： LC074146LP
元件分類： 音頻／視頻放大
英文描述： 1 CHANNEL, AUDIO/VIDEO AMPLIFIER, QCC40
封裝： 5 X 5 MM, VQLP-40
文件頁數(shù)： 8/14頁
文件大?。?/td> 524K
代理商： LC074146LP
LA71582M
No.A0221-3/38
Continued from preceding page.
Ratings
Parameter
Symbol
In
Out
Conditions
min
typ
max
Unit
Y LPF frequency
characteristics (4)
YLPF4
T38A
T21
With VIN a standard multi-burst signal (1Vp-p)
measure the 4.43MHz response to a 500kHz signal
on T21.
-25
dB
Y LPF frequency
characteristics (5)
YLPF5
T38A
T21
With VIN a standard multi-burst signal (1Vp-p),
measure the 3.58MHz response to a 500kHz signal
on T21.
-25
dB
FM modulator output
level
VFM
T12
Measure the T12 output level with no input. Serial
00
01
10
11
270
300
330
360
mVp-p
Carrier frequency
(Expect M mode)
FFM1
T12
Measure the output frequency on T12 with no input.
3.77
3.80
3.90
MHz
Carrier frequency
(M mode)
FFM2
T12
Measure the output frequency on T12 with no input.
3.30
3.40
3.50
MHz
REC-FM output
second distortion
HMOD
T12
Measure the second distortion with the above state.
-40
-35
dB
Deviation 1
(Expect M mode)
DEV1
T38A
T12
With VIN a 100% white 1Vp-p signal, measure the
deviation on T5.
0.95
1.00
1.05
MHz
Deviation 2 (M mode)
DEV2
T38A
T12
With VIN a 100% white 1Vp-p signal, measure the
deviation on T12.
0.95
1.00
1.05
MHz
FM modulator linearity
LMOD
T20
T12
Let f2.85 be the output frequency when 2.85VDC is
applied to T20.
LMOD =
×100
-2
0
2
%
1/2 fH carrier shift
CS
T12
The output frequency change
6.5
8.2
9.5
kHz
Emphasis gain
GEMP
T20A
T18
With VIN a 500mVp-p 10kHz sine wave, measure the
ratio of the levels on T20A and T18.
-0.75
-0.25
0.25
dB
Detail enhancer
Characteristics (1)
GENH1
T20A
T18
With VIN a 158mVp-p 2MHz sine wave,
measure the ratio of the levels on T20A
and T18, and take the difference with
GEMP.
Serial
000: MIN
100: TYP
111: MAX
1.0
1.5
2.0
dB
Detail enhancer
Characteristics (2)
GENH2
T20A
T18
With VIN a 50mVp-p 2MHz sine wave,
measure the ratio of the levels on T20A
and T18, and take the difference with
GEMP.
Serial
000: MIN
100: TYP
111: MAX
3.0
4.0
5.0
dB
Detail enhancer
Characteristics (3)
GENH3
T20A
T18
With VIN a 15.8mVp-p 2MHz sine wave,
measure the ratio of the levels on T20A
and T18, and take the difference with
GEMP.
Serial
000: MIN
100: TYP
111: MAX
4.3
5.8
7.3
dB
Nonlinear emphasis
Characteristics (1)
GNLEMP1
T20A
T18
With VIN a 500mVp-p 2MHz sine wave,
measure the ratio of the levels on T20A
and T18, and take the difference with
GEMP. (Y-TEST)
Serial
01: MAX
10: TYP
11: MIN
0.5
dB
Nonlinear emphasis
Characteristics (2)
GNLEMP2
T20A
T18
With VIN a 158mVp-p 2MHz sine wave,
measure the ratio of the levels on T20A
and T18, and take the difference with
GEMP. (Y-TEST)
Serial
01: MAX
10: TYP
11: MIN
4
dB
Nonlinear emphasis
Characteristics (3)
GNLEMP3
T20A
T18
With VIN a 50mVp-p 2MHz sine wave,
measure the ratio of the levels on T20A
and T18, and take the difference with
GEMP. (Y-TEST)
Serial
01: MAX
10: TYP
11: MIN
6
dB
Main linear emphasis
Characteristics (1)
GME1
T20A
T18
With VIN a 50mVp-p 500kHz sine wave, measure the
ratio of the levels on T20A and T18, and take the
difference with GEMP. (Y-TEST)
10.5
11.0
11.5
dB
Main linear emphasis
Characteristics (2)
GME2
T20A
T18
With VIN a 50mVp-p 2MHz sine wave, measure the
ratio of the levels on T20A and T18, and take the
difference with GEMP. (Y-TEST)
13.1
13.6
14.1
dB
White clipping level
LWC
T38A
T18
With VIN a 1.0Vp-p 100% white video
signal, measure the white clipping level
on T18. (Y-TEST)
Serial
0
1
185
195
%
Continued on next page.
f2.85-(f3.1+f2.6)/2
f3.1-f2.6
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