Hello, I came across this Relaxation Oscillator topology but I cannot figure out its working. Can somebody please explain its functioning & how to derive its frequency expression?
l have been thinking about this and there are the basic equations that would define the circuit.
I have the circuit oscillating with L1=1mh & L2=10mh with coupling coefficient k= 0.999. With Drain & Gate capacitance of 1p & 10p. I have attached the netlist.
I think the equations are correct. The next step would be to break the whole cycle into regions where we can break the JFET into regions of operation and solve these equations in those regions to calculate the whole cycle time period and hence the frequency.
I am thinking about this, will post as I progress. Seems to be a very interesting exercise.