Questions tagged [decoupling-capacitor]
A capacitor, usually ceramic, used to provide instantaneous energy to a local circuit.
558 questions
3 votes
2 answers
492 views
Op-amp output distorted after adding decoupling capacitors to ±12 V power rails (and need alternative noise filter)
I’m working on a non-inverting op-amp circuit with: AC input: 1 Vpk at 1 kHz DC offset: 2 V in series with the AC signal Gain: 3 V/V ±12 V power rails There is significant simulated noise on the ...
- 411
-1 votes
1 answer
101 views
How should I select capacitors for stitching ground and power planes near a differential pair for USB 2.0 480Mbps?
My PCB stackup is SIG1/GND/VCC1/VCC2/GND/SIG2. At the title says, how should I select capacitors for stitching ground and power planes near a differential pair for ...
- 585
2 votes
2 answers
248 views
Determination of Target Frequency in Decoupling
There is a plan to do PDN decoupling simulation for the KSZ9897RTXI power rails. It has various power supply like 1.8V, 2.5V& 1.2V. While doing the simulation, what is the maximum frequency range ...
- 1,821
0 votes
2 answers
116 views
SMD vs through hole capacitor for decoupling?
I am prototyping a signal processing project on perfboard. Since I am very new to electrical stuff (high schooler), I'm not able to solder smd comps very well. I need to decouple a couple of ...
- 49
1 vote
3 answers
239 views
SMD capacitors 0603 vs 0805 which one is better for decoupling
I was discussing about decoupling capacitors for ADC in this forum. One user commented as shown below. The thing is, the smaller 0603 SMD capacitors have a higher internal resistance compared to the ...
- 4,047
4 votes
4 answers
656 views
Change in the value of capacitors capacitance when the voltage is applied
I am using ceramic capacitors of values 0.1 µF and 4.7 µF in parallel as the local storage and decoupling on my STM32 microcontroller IC. I have one 0.1 µF for each Vdd pin as recommended in the ...
- 493
1 vote
1 answer
53 views
MK66FN2M0VLQ18 decoupling capacitor help?
Where do I find the decoupling capacitors to use for the MK66FN2M0VLQ18? Whenever I look for more general help, I am told to just check the datasheet. I can not find the information on the datasheet ...
- 59
0 votes
1 answer
97 views
Bypass and Couppeling capacitors for Electret microphone bias Voltage
Following this reference I have designed a low noise electret microphone amplifier. I will feed it from a standard 9V battery and was wondering if adding capacitors C2 and C3 would have a significant ...
- 139