I don't know why I said MPLab, I meant MultiSim. -- Sincerely, James Burkart *Filmmaker & Documentarian* *Burkart Studios* 925.667.7175 | Personal 415.738.2071 | Office *Web:* burkartstudios.com *Facebook:* facebook.com/burkartstudios On Mon, Sep 11, 2017 at 6:40 AM, James Burkart wrote: > Hello all! > > I am working on a lab for a class and we are given a simple self-biased > N-channel JFET circuit: Rd =3D 4.7k, Rs =3D 1k, Rg =3D 2M, Q1 =3D 2N4860,= Vdd =3D > +15V. > > Then we are given the scenario: Vds =3D 66.5mV, Vd =3D 15V, Vs =3D 14.9V. > > Assuming only one component can be bad, what is the likely problem? > > I built the circuit in MPLab and tried everything I could think of to > recreate the voltages, but everything I tried does not work. Shorting Rd > was my first thought, but that also results in Vds being 12.6V. What am I > missing? Can anyone get me on the right track? I have shorted and opened > all resistors, the only thing I can't do (or don't know how to do) is > recreate a faulty FET. > > -- > Sincerely, > > James Burkart > *Filmmaker & Documentarian* > > *Burkart Studios* > 925.667.7175 <(925)%20667-7175> | Personal > 415.738.2071 <(415)%20738-2071> | Office > > *Web:* burkartstudios.com > *Facebook:* facebook.com/burkartstudios > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .