Optocoupler is an electronic component that has a light source at its input side and a light detector or sensor … What is Optocoupler and How it WorksRead more
Optocoupler
Common Application of Optocoupler in Today’s Electronic Circuits
The most common application of Optocoupler is signal isolation. It provides complete isolation because its input side is not electrically … Common Application of Optocoupler in Today’s Electronic CircuitsRead more
Disadvantage of using Optocoupler with Low CTR for Switch Operation
In optocoupler, CTR stands for current transfer ratio. This is comparable to the current gain beta in BJT. This is … Disadvantage of using Optocoupler with Low CTR for Switch OperationRead more
Optocoupler Device CTR and Circuit CTR Explained
When you already heard about Optocoupler devices, you may be heard also about CTR. CTR stands for current transfer ratio. … Optocoupler Device CTR and Circuit CTR ExplainedRead more
Optocoupler Operation as Switch Tutorials with Design Sample
The optocoupler operation as switch is similar on how to configure BJT as switch. For a BJT to operate as … Optocoupler Operation as Switch Tutorials with Design SampleRead more
How to Determine Optocoupler Operation Saturation or Linear
There are several ways on how to determine Optocoupler operation. The old school method is to build an actual circuit … How to Determine Optocoupler Operation Saturation or LinearRead more
Optocoupler Circuit Design and Detailed Analysis
Actually, Optocoupler circuit design is not that difficult as some thought. It’s just like you are designing a BJT circuit. … Optocoupler Circuit Design and Detailed AnalysisRead more
How to Bias Optocoupler: The Complete Course
How to bias optocoupler is even simpler than bipolar junction transistors. However such device is not well discussed in the universities … How to Bias Optocoupler: The Complete CourseRead more
Factors Affecting Current Transfer Ratio of Optocoupler
Current transfer ratio is comparable to BJT’s HFE or beta (β). This is the ratio of the optocoupler’s collector current … Factors Affecting Current Transfer Ratio of OptocouplerRead more
Opto Coupler CTR Explanation
Opto coupler CTR explanation is not well elaborated by other authors and before I was also having hard time of … Opto Coupler CTR ExplanationRead more