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[SOLVED] - very basic doubt about ring oscillator Should it oscillate at 0 Hz ? For example, if a positive dc input causes a positive dc output, this state is stable and holds if both nodes (input and output) are connected to each other
Why does my opamp, configured as a buffer, oscillate? why my op amp oscillate? Hi all, I designed a folded cascode op amp with a class-AB output stage to drive a large capacitor When I configure it as a buffer, it oscillates I did the pz analysis, and find out that the frist pole is +16 3369MHz What should I do? Thank you for you help!
Why could the control voltage my PLL oscillating as shown? What possible reasons would the control voltage in the PLL oscillate as shown? I am trying to simulate my PLL for the 3 different process corners For the fast corner, I get a result as shown: Why is the Vcont (Control voltage driving the VCO) oscillating like this? It should lock at 40
PSS simulation problem in Cadence - Forum for Electronics When I run PSS simulation of a vco, PSS is not successful for some cases But when I run transient simulation, the vco does oscillate and everything is fine The beat frequency is also correct So does anybody know what's the problem and how to fix it? Thanks
[SOLVED] - Problem with oscillator in HB with ADS Hello everybody! I'm working with this oscillator in ADS and I need some help in harmonic balance simulation: Those square blocks are MOSFETs and the right part of the circuit is just a buffer to isolate the tank part from my probes The problem I have with this circuit in HB simulation is
[SOLVED] - Crystal Oscillator problem | Forum for Electronics Your circuit as originally posted certainly has some unusual component selections, and I noticed that though it does oscillate, it dies down very quickly E-design's circuit is different from yours, and is a Colpitts variation
how to make crystal work at the third overtone? In the circuit that I send, the transistor do the job to make the cristal to oscillate If the resonance is putted near the third overtone, the transistor will oscillate in this frequency
Some doubts in Oscillations in normal amplifiers and ring oscillators There are some questions that I have in oscillations I will address oscillations that take place in amplifiers as normal oscillations and the one using inverters as ring oscillators In normal oscillations we need 360 phase shift or in other words both input and feedback signal should in
Op-amp stability criteria confusion- unity gain of what? Hey there, There have been a couple of similar questions before on this topic, but not exactly what I'm looking for So, having read the criteria from several sources, for an op amp to oscillate you need the following from the bode plot of the LOOP GAIN (ie AB): 1) 180 degrees phase shift