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Movement Sensor circuit

I have this PIR sensor circuit, can someone explain what each of the capacitors do in the circuit?
user355274's user avatar
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1 answer
243 views

Can I replace the ceramic capacitor with tantalum?

In the following topology, a 2200nF multilayer ceramic capacitor (SR305E225MAR) is used in the compensation network. Can I replace it with a tantalum capacitor with equivalent voltage and capacitance? ...
WeTech's user avatar
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1 answer
107 views

Feedback loop design (buck converter): Output capacitance- effective value or nominal value to be considered?

In this TI datasheet of TPS62180, it was mentioned that the LC filter combination should be selected from a set of predefined values. I understand this is usually the case for an internally ...
Dynamic_equilibrium's user avatar
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What is the term Flc in LM27402?

Hi while going through LM27402 IC, inorder to find compensate components of cc1,cc2 and so on, there is term called Flc, can anyone explain what it is?
Selva97's user avatar
  • 543
1 vote
1 answer
771 views

Parallel plate capacitor level sensor

Hey all. in a typical design of a capacitive sensor for level measurements, compensation capacitors are added as a reference. I struggle to understand why we need a reference capacitance to measure ...
Zero304's user avatar
  • 11
0 votes
1 answer
690 views

Type of capacitor for feedback / external compensation

Referring to the capacitor between the output and the inverting pin in an op-amp, in parallel with the feedback resistor --- should I use ceramic (NP0), or thin film? We're talking bandwidth in the ...
Cal-linux's user avatar
  • 2,175
1 vote
1 answer
773 views

Increase in compensation capacitor for op-amp

I am currently learning to design an op-amp, and understand that using compensation capacitors help to maintain stability of the op-amp. Currently, my compensation capacitor has a value around 10 pf. ...
samheihey's user avatar
  • 125