(b) Another of the blocks in the diagram is labelled sample-and hold. (i) Explain the purpose and operation of this device. (i) The sample period is 25us. Find the highest frequency component that may be present in the signal before aliasing осcurs.
(b) Another of the blocks in the diagram is labelled sample-and hold. (i) Explain the purpose and operation of this device. (i) The sample period is 25us. Find the highest frequency component that may be present in the signal before aliasing осcurs.
Introductory Circuit Analysis (13th Edition)
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hi question in photo, b (i) please the first question

Transcribed Image Text:(b)
Another of the blocks in the diagram is labelled sample-and hold.
(i)
Explain the purpose and operation of this device.
(i)
Find the highest frequency
The sample period is 25µs.
component that may be present in the signal before aliasing
осcurs.

Transcribed Image Text:1. The diagram below shows a typical data acquisition system where an analogue
signal from a transducer is converted to a digital form suitable for subsequent
digital signal processing.
Electrical
Physical
variable
signal
(analogue)
Digital
output
S/H
ADC
Transducer
Sample-and-Hold
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