EDN

In Circuit Transistor Checker

This simple circuit has helped me out on many occasions. It is able to check transistors, in the circuit, down to 40 ohms across the collector-base or base-emitter junctions. It can also check the ...
elektormagazine

In-Circuit Transistor Tester

46 IN-CIRCUIT TRANSISTOR TESTER by A. Rigby In electronic troubleshooting a transistor is generally not above suspicion until it responds correctly to the usual diode-tests with an ohmmeter. Before ...
elektormagazine

Circuit: Simple Transistor Tester with LED or Piezo Buzzer indicator

A transistor tester can be a handy addition to your electronics workbench. This versatile transistor tester design, first presented a decade ago, enables you to quickly assess the functionality of NPN ...
elektormagazine

130544-1 Platino Transistor Tester

A Platino-based Transistor Tester to test transistors in a simple and portable way. Since it is tedious to read the markings on the transistor devices and to look up to its characteristics in ...
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

Test Setup Checks Transistors’ hFEs When Tight Control Is Important

This file type includes high resolution graphics and schematics. The spread of h FE values in a batch of transistors may be wide enough to cause unreliable performance during mass production of a ...
IEEE

Hybrid AI-Optimization Method for Latent Defect Detection Through Test Transistor Insertion in Analog Circuits

Abstract: This paper shows that latent defects manifesting as pinholes in the gate oxide of transistors, can effectively be detected by inserting extra test transistors in the circuit under test, ...