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Sample and Hold Circuit
Author booksir   Views 8   Posted at 2008/8/27 01:45  [View In Forum]
Suppose all switches are closed during power down mode. What is the problem with this circuit? Also there is still input signal which is going into another circuitry.nsoiyz
nsoiyz
nsoiyz
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Reply No. Replier Total Replies 7   [View All Replies]  [New Reply] Replied at
1 lassa Why are you keep all switches closed during power down mode?

we know that the control signal of the switches is diff. no overlapped
2008/8/27 01:45
2 mxg330 Input signal will get shorted to GND!! 2008/8/27 01:45
3 yvling So what is usually done in SHA circuit during power down mode?



Thanks
2008/8/27 01:45
4 398338 If the amplifier is in power down mode, the situation of switches is indifferent,

but output signal is uncertain.
2008/8/27 01:45
5 z315 2008/8/27 01:45
6 ai8957382 Wouldn't hold mode be better? And does it matter what the output signal is since the ADC is also disabled?



Thanks
2008/8/27 01:45
7 fujun2013 Which situation may this case happen in? It seems the input signal is shorted to ground. 2008/8/27 01:45
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