![I'm making an active low-pass butterworth filter in OrCAD pspice. This error shows up, I've confirmed that all the connections are joined but there seem to be an error still. Can you I'm making an active low-pass butterworth filter in OrCAD pspice. This error shows up, I've confirmed that all the connections are joined but there seem to be an error still. Can you](https://i.redd.it/6qrmg2h2jn671.png)
I'm making an active low-pass butterworth filter in OrCAD pspice. This error shows up, I've confirmed that all the connections are joined but there seem to be an error still. Can you
![Reconnection–less reconfigurable low–pass filtering topology suitable for higher–order fractional–order design - ScienceDirect Reconnection–less reconfigurable low–pass filtering topology suitable for higher–order fractional–order design - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2090123220301314-ga1.jpg)
Reconnection–less reconfigurable low–pass filtering topology suitable for higher–order fractional–order design - ScienceDirect
![SOLVED: I want to calculate the vout, gain, center frequency and cut-off frequency please Frequency Response of an RLC Circuit using PSpice Objectives: To examine the frequency behaviour of an RLC circuit, SOLVED: I want to calculate the vout, gain, center frequency and cut-off frequency please Frequency Response of an RLC Circuit using PSpice Objectives: To examine the frequency behaviour of an RLC circuit,](https://cdn.numerade.com/ask_images/12d9bd7519864b9896e5d409c42c0c02.jpg)
SOLVED: I want to calculate the vout, gain, center frequency and cut-off frequency please Frequency Response of an RLC Circuit using PSpice Objectives: To examine the frequency behaviour of an RLC circuit,
![Frequency response of low pass and high pass filter results from PSPICE... | Download Scientific Diagram Frequency response of low pass and high pass filter results from PSPICE... | Download Scientific Diagram](https://www.researchgate.net/publication/341536215/figure/fig6/AS:893454364205058@1590027528421/Frequency-response-of-low-pass-and-high-pass-filter-results-from-PSPICE-experiments.jpg)