Semiconductor Devices

Gunn Diode – Features, Operation & Applications

Features of a Gunn Diode A gunn diode is made up of only N-type semiconductor which is typically sandwiched between…

9 months ago

Schottky Diode – Features & Applications

Schottky diode is fabricated as a metal-to-N junction rather than a P-N semiconductor junction. Also referred to as hot-carrier diodes,…

12 months ago

The Shockley Diode Features & Operation

The Shockey diode is a four layer sandwich of PNPN semiconductor material very similar to the SCR but without a…

1 year ago

Unijunction Transistor Features and Operation

The unijunction transistor (UJT) is a three terminal, single-junction device which exhibits negative resistance and switching characteristics totally unlike those…

1 year ago

The Junction Field Effect Transistors (JFET)

The bipolar transistor has several disadvantages: it has low input impedance because of forward biased emitter junction, it has small…

2 years ago