In a D/A converter, the usual way to solve the glitch is to use deglitcher. How is the Deglitcher designed?
A. By using a low pass filter
B. By using a S/H circuit
C. Both a& b
D. None of the mentioned
Answer:A
In a D/A converter, the usual way to solve the glitch is to use deglitcher. How is the Deglitcher designed?
A. By using a low pass filter B. By using a S/H circuit C. Both a& b D. None of the mentioned
Explanation: The usual way to remedy this problem is to use an S/H circuit designed to serve as a “deglitcher”. Hence the basic task of the S/H is to hold the output of the D /A converter constant at the previous output value until the new sample at the output o f the D /A reaches steady state, and then it samples and holds the new value in the next sampling interval. Thus the S/H approximates the analog signal by a series of rectangular pulses whose height is equal to the corresponding value of the signal pulse.