M52721SP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M52721SP Datasheet PDF : 10 Pages
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MITSUBISHI ICs (Monitor)
M52721SP
WIDEBAND VIDEO PREAMPLIFIER WITH OSD MIX
V20th BLK input threshold voltage
Make sure that signal is not output in synchronization with SG7
(blanking portion).
Next, while monitoring this output, decrease the SG7 amplitude
gradually and measure the SG7 amplitude when the blanking
portion disappears.
Oaj1 OSD adjust control characteristics 1
Measure the amplitude of the output.
Oaj2 OSD adjust control characteristics 2
The conditions are the same as in Oaj1 above except that V18 is set
at 2V.
INPUT SIGNAL
SG No.
Signals
Sine wave with amplitude 0.7VP-P (100kHz, amplitude partially variable∗)
SG1
SG2
SG3
Sine wave with amplitude 0.7VP-P (f=100MHz)
Sine wave with amplitude 0.7VP-P (f=200MHz)
Pulse with amplitude 0.7VP-P (f=30kHz, duty=50%)
SG5
0.7VP-P
0.7VP-P
Pulse with amplitude 4.0VP-P and pulse width 3.0µs synchronous with the pedestal part of standard video stepped wave
(f=30kHz, pulse width and amplitude partially variable)
SG6
CP+
0V
3.0µs
4.0VP-P
SG7
BLK,
OSD
signals
Pulse with amplitude 4.0VP-P and pulse width 10µs synchronous with the image part of standard video stepped wave
(f=30kHz, amplitude partially variable∗)
10µs
4.0VP-P
0V
SG8
Standard
video
stepped
wave
Video signal with pulse width 0.7VP-P (f=30kHz, amplitude partially variable∗)
4
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