On 11/14/19 10:26 AM, dwight via cctalk wrote: > My point was that lumping them all together is like lumping propeller plane, > jet planes and rockets as all the same. They all use the principles of > throwing mass in the opposite direction of desired motion. They are still > quite different when you look just a little closer. > I have a clever way of using two junction FETs, N and P types, to make a nice > negative resistance device. Without much extra things, it can make a nice low > power FM jammer. I never did look to see how high a frequency it would go. No > need to buy an expensive tunnel diode. > Dwight
So, Shockley et al. didn't invent the IGBT either. JFETs are enormously useful as constant-current devices as well as small signal switches. I've got a bunch of tunnel diodes; never found a practical use for them for me. --Chuck
