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參數(shù)資料
| 型號(hào)： | LA76810HA |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP54 |
| 封裝： | 0.600 INCH, DIP-54 |
| 文件頁(yè)數(shù)： | 22/41頁(yè) |
| 文件大?。?/td> | 417K |
| 代理商： | LA76810HA |
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LA76810HA
No.A1143-29/41
Continued from preceding page.
Input signal
Symbol
Test point
Input signal
Test method
Bus bit/input signal
Vertical linearity@16
Vlin16
Y IN:
Horizontal/
vertical sync
signal
PAL
Monitor the pin 23 vertical ramp output and
measure the voltage at line 24, line 167 and 310.
Assign the respective measured values to Va, Vb
and Vc. Calculate as follows:
Vlin16 = (Vb-Va)/(Vc-Vb)
Vertical linearity@0
Vlin0
Y IN:
Horizontal/
vertical sync
signal
PAL
Monitor the pin 23 vertical ramp output and
measure the voltage at line 24, line 167 and 310.
Assign the respective measured values to Va, Vb
and Vc. Calculate as follows:
Vlin0 = (Vb-Va)/(Vc-Vb)
VLIN: 00000
Vertical linearity@31
Vlin31
Y IN:
Horizontal/
vertical sync
signal
PAL
Monitor the pin 23 vertical ramp output and
measure the voltage at line 24, line 167 and 310.
Assign the respective measured values to Va, Vb
and Vc. Calculate as follows:
Vlin31 = (Vb-Va)/(Vc-Vb)
VLIN: 11111
Continued on next page.
23
Line 310
Line 24
Line 167
Vertical
ramp
tt
Line 310
Line 24
Line 167
Vertical
ramp
tt
Line 310
Line 24
Line 167
Vertical
ramp
tt
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