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參數(shù)資料
| 型號： | LA7386 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | NTSC Video Signal Processing LSI for VCRs |
| 中文描述： | NTSC制式視頻信號處理LSI的錄像機(jī) |
| 文件頁數(shù)： | 5/13頁 |
| 文件大小： | 157K |
| 代理商： | LA7386 |
Continued from preceding page.
Parameter
Symbol
G
WNC3
Conditions
min
–10.5
typ
–9.0
max
–7.5
Unit
dB
Double noise canceller
characteristics (3)
Double noise canceller
characteristics (4)
Double noise canceller
characteristics (5)
Double noise canceller
characteristics (6)
PIC-CTL hard response
characteristics (1)
PIC-CTL hard response
characteristics (2)
PIC-CTL soft response
characteristics (1)
PIC-CTL soft response
characteristics (2)
PIC-CTL center response
characteristics
DOC loop gain Y
f = 2 MHz, 15.8 mVp-p
G
WNC4
f = 3.58 MHz, 158 mVp-p
–2.0
–1.5
–1.0
dB
G
WNC5
f = 3.58 MHz, 50 mVp-p
–5.1
–4.1
–3.1
dB
G
WNC6
f = 3.58 MHz, 15.8 mVp-p
–10.5
–8.5
–7.0
dB
G
PH1
f = 1 MHz, 158 mVp-p
3.5
4.5
5.5
dB
G
PH2
f = 2 MHz, 158 mVp-p
7
8
9
dB
G
PS1
f = 1 MHz, 158 mVp-p
–5.5
–4.5
–3.5
dB
G
PS2
f = 2 MHz, 158 mVp-p
–9
–8
–7
dB
G
PC
f = 2 MHz, 158 mVp-p
1.0
1.5
2.0
dB
G
DOC
T33A: 4 MHz, 300 mVp-p sine wave
T3A: 0.5 Vp-p video signal
I/O response 5H after instant when input at T33A
went to 0
With V
IN
= white 100% 0.5 Vp-p
Measure electric potential for each of the pin 28
video output sync tip, pedestal, and white peak,
and assign the measured values to L
SYN
, L
PED
,
and L
WHI
, respectively
Measure pin 28 DC voltage when 5 V is applied
to pin 26, and assign the measured value to
L
VDP
, and calculate the difference with L
SYN
V
DP
= L
SYN
– L
VDP
Measure pin 28 DC voltage when 2.5 V is applied
to pin 26, and assign the measured value to
L
HDP
, and calculate the difference with L
PED
H
DP
= L
PED
– L
HDP
Measure pin 28 DC voltage when 1.3 V is applied
to pin 26, and assign the measured value to
L
WHP
, and calculate the difference with L
WHI
W
HP
= L
WHI
– L
WHP
V
IN
= 0.5 Vp-p video signal
Pin 26 output pulse peak value
V
IN
= 0.5 Vp-p video signal
Pin 26 output pulse width
–1.0
0
+1.0
dB
Sync tip level,
pedestal level,
white level measurement (PB)
L
VOR
—
Pseudo V insertion level (PB)
V
DP
–80
0
+80
mV
Pseudo H insertion level (PB)
H
DP
–200
–100
0
mV
White insertion level (PB)
W
HP
40
140
240
mV
Sync separation output level
V
SYP
4.0
4.2
4.4
Vp-p
Sync separation output pulse
width
Sync separation output leading
edge delay time
[REC Mode Chroma]
REC chroma
Y/C separation output level
REC chroma low-band
conversion output level
Burst emphasis amount
PW
SYP
4.0
4.3
4.6
μs
T
SYP
V
IN
= 0.5 Vp-p video signal, measure delay time
of output SYNC versus input SYNC
1.4
1.6
1.8
μs
V
OR-21
V
IN
= standard color bar signal (1 Vp-p)
Measure burst level at T21
170
220
270
mVp-p
V
OR-14
V
IN
= standard color bar signal (1 Vp-p)
Measure burst level at T14A
230
330
430
mVp-p
G
BE
V
IN
= standard color bar signal (1 Vp-p)
Ratio of burst level at T14A when S35A is off
(SP/EP) and on (LP)
V
IN
= standard color bar signal (1 Vp-p),
measure T18 output amplitude (with an FET
probe)
V
IN
= standard color bar signal (1 Vp-p),
input +6 dB chroma signal level only, measure
T14A burst level, and calculate ratio with V
OR-14
5.5
6.0
6.5
dB
VXO oscillation level
V
VXO-R
360
450
540
mVp-p
REC ACC characteristics 1
ACC
R1
+0.2
+0.5
dB
Continued on next page.
LA7386
No.5472 - 5/13
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LA7390 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:VHS-format VCR Video Signal Processor |
| LA7390L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VHS-format VCR Video Signal Processor(295.40 k) |
| LA7390N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:VHS-format VCR Video Signal Processor |
| LA7391 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA7391A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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