Hackaday

Circuit Challenge: Two Transistor 3.3V Regulator

[Kevin Darrah] wanted to make a simple 3.3V regulator without using an integrated circuit. He wound up using two common NPN transistors and 4 1K resistors. The circuit isn’t going to beat out a cheap ...
Nature

Stretchable transistors and functional circuits for human-integrated electronics

$$g_{\rm{m}} = \frac{{{\mathrm{d}}I_{\rm{D}}}}{{{\mathrm{d}}V_{\rm{G}}}} = \left\{{\begin{array}{ll} \frac{W}{L}\mu C_{\rm{i}}V_{\rm{D}}&{\mathrm{when}}\;V_{\rm{D ...
EDN

In-Circuit Tester for SCR, Diodes, and Transistors

The circuit has been constructed to provide an in-circuit system that will test the integrity of electronic components such as Silicon Controlled Rectifiers, diodes, and PNP or NPN transistors. 4093 – ...
Electronic Design

What’s the Difference Between PNP and NPN Transistors?

The transistor is probably the most important invention in electronic engineering and the basis for nearly all integrated circuits (ICs). The transistor is a three-terminal electronic device that can ...
Nature

CMOS-based carbon nanotube pass-transistor logic integrated circuits

Field-effect transistors based on carbon nanotubes have been shown to be faster and less energy consuming than their silicon counterparts. However, ensuring these advantages are maintained for ...