Circuit schematic collection 004

Diagrams subject to change pages as I add more.

https://www.youtube.com/electronzap Subscribe! Become a Patron! https://www.amazon.com/shop/electronzapdotcom

BJT and common JFET schematic symbols

Common schematic symbols bipolar junction transistors BJTs and Junction field effect transistor JFET diagram by electronzap electronzapdotcom
Common schematic symbols bipolar junction transistors BJTs and Junction field effect transistor JFET diagram by electronzap electronzapdotcom



A lot of the components that I use are in this diode and transistor semiconductor kit.

BJT switch

NPN Bipolar Junction Transistor BJT switch with pull down resistor schematic diagram by electronzap electronzapdotcom
NPN Bipolar Junction Transistor BJT switch with pull down resistor schematic diagram by electronzap electronzapdotcom

Quick NPN BJT switch circuit – Bipolar Junction Transistor

Brief PNP BJT switch circuit – Bipolar Junction Transistor

PNP Bipolar Junction Transistor BJT switch with pull down resistor schematic diagram by electronzap electronzapdotcom
PNP Bipolar Junction Transistor BJT switch with pull down resistor schematic diagram by electronzap electronzapdotcom

Pull up resistor

BJT timed off switch

Brief NPN BJT timed off fade circuit- RC time constant

NPN BJT fade off using capacitor circuit schematic diagram by Electronzap Electronzapdotcom
NPN BJT fade off using capacitor circuit schematic diagram by Electronzap Electronzapdotcom

008 NPN Bipolar Junction Transistor BJT switch including capacitor timed fade off



Art of electronics is my favorite book!

Brief PNP BJT timed fade off switch – 2N3906 bipolar junction transistor

PNP Bipolar Junction Transistor BJT switch with capacitor fade off schematic diagram by Electronzap Electronzapdotcom
PNP Bipolar Junction Transistor BJT switch with capacitor fade off schematic diagram by Electronzap Electronzapdotcom
Voltage out almost = voltage in

 

Bipolar Junction Transistor Common Collector Emitter Follower circuit basics schematic diagram by electronzap electronzapdotcom
Bipolar Junction Transistor Common Collector Emitter Follower circuit basics schematic diagram by electronzap electronzapdotcom

Brief NPN BJT emitter follower set by trimpot using 2N3904 bipolar junction transistor

Brief PNP BJT emitter follower common collector – 2N3906 bipolar junction transistor

Brief improved NPN PNP BJT emitter follower with no BE drop circuit

BJT current mirror
PNP BJT current mirror schematic diagram by electronzap electronzapdotcom
PNP BJT current mirror schematic diagram by electronzap electronzapdotcom

 

Adjustable voltage drop (BJT simuated zener diode)
NPN BJT adjustable semiconductor voltage drop or reference voltage similar to zener diode circuit schematic diagram by electronzap electronzapdotcom
NPN BJT adjustable semiconductor voltage drop or reference voltage similar to zener diode circuit schematic diagram by electronzap electronzapdotcom

Next page. Circuit schematic collection 005

Home page