Questions tagged [switched-capacitor]

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1answer
55 views

Switched capacitor circuit

I have been trying to debug this circuit for the last week but still cant seem to find the issue. The circuit I have is shown below: This circuit was implemented based on this paper The idea of the ...
1
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2answers
61 views

Switched Capacitors

In this link at Activity 0 i read some stuff that make me confuse : 1-At the first step he charges capacitor as we know, no problem 2-But when he ties BATTERY's POSITIVE terminal to CAPACITOR's ...
4
votes
1answer
177 views

Noise for a switched capacitor circuit

I have a switched capacitor circuit that looks like below: It operates at 80MHz to realize a 625k resistor. It works fine in the circuit. I tested with VDAC(input)=1.8V and the voltage at the right ...
2
votes
1answer
369 views

Charge Injection Confusion

I'm having some trouble understanding the effect that charge injection has on capacitors - more specifically, when there is unequal charge on a capacitor. Consider the following circuit: My ...
0
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2answers
73 views

Switched Capacitor Basics

[Taken from Razavi's Analog IC CMOS Design Book] My confusion is with the line that says "Such an arrangement is indeed practical if the circuit senses only high-frequency signals." Firstly, I'm a ...
1
vote
1answer
114 views

Do switched capacitor integrators have lower drift?

Im interested on getting long analog integration times, the continuous-time integrator drifts due to DC offset errors such as voltage offset, bias current and offset current, limiting its useful ...
0
votes
2answers
438 views

What is the main advantage of Switched-Capacitor filters?

What is the main advantage of Switched-Capacitor filters compared with passive LC filters and active RC filters?