Discuss the purpose of using sample-and-hold circuits in data acquisition systems.

What will be an ideal response?


Analysis:
A sample-and-hold circuits "freezes" (holds) the value of a signal at the input to an ADC to allow the ADC to convert the analog signal without its changing. The sample-and-hold circuit is necessary because of the finite conversion time of the ADC.

Trades & Technology

You might also like to view...

One of the most serious diseases that affects most blueberries is mummy berry

Indicate whether the statement is true or false

Trades & Technology

Which load(s) are energized all the time, even when the thermostat is not set to heat or cool and the fan is set to auto?

A) The indoor fan B) The compressor C) The condenser fan D) The transformer

Trades & Technology

Bamboo and cork are sustainable materials

Indicate whether the statement is true or false

Trades & Technology

Which control algorithm is typically used in HVAC equipment when the controlled variable changes slowly

over time? a. P b. PI c. PID d. PIE

Trades & Technology