In the earlier post I have explained comprehensively about how a unijunction transistor works, in this post I will elucidate a few interesting application circuits using this amazing device called UJT. The example application circuits using UJT which are explained in the article are: 1) Square Wave Pulse Generator The first design below demonstrates a […]
Unijunction
Unijunction Transistor (UJT) 2N2646 Datasheet
The 2N2646 is a type of Unijunction Transistor (UJT), which is commonly used in various oscillator based electronic circuit application. The following paragraphs provide the datasheet and the main specifications of the device: Pin Configuration: The following diagram shows the pinout configuration of the UJT 2N2646. General Characteristics: Electrical Specifications: Advantages and Disadvantages Common Applications […]
Unijunction Transistor (UJT) – Comprehensive Tutorial
A unijunction transistor is a 3 terminal semiconductor device which is unlike a BJT has only a single pn junction. It is basically designed to be used as a single-stage oscillator circuit for generating pulsed signals suitable for digital-circuit applications. UJT Relaxation Oscillator Circuit The unijunction transistor could be typically wired in the form of […]