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
Electronics
MOSFET Advantages Over BJT in Switching Converters
Way back several years ago, power supply designers and engineers are continuously searching for innovation. Long time ago what is … MOSFET Advantages Over BJT in Switching ConvertersRead more
Comprehensive Relay Kickback Voltage Analysis
Relay is made up of two elements; the coil and the contact. The coil needs to be energized so that … Comprehensive Relay Kickback Voltage AnalysisRead 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
Designing MOSFET Switch – Comprehensive
MOSFET is not well discussed in the undergrads; much more how to designing MOSFET switch. MOSFET stands for metal oxide … Designing MOSFET Switch – ComprehensiveRead more
How to Analyze Optocoupler in Feedback System
One of the usual applications of optocoupler is to provide isolation between two ground reference. That is why it is … How to Analyze Optocoupler in Feedback SystemRead more
How to Drive a Transistor into Hard Saturation
How to drive a transistor into hard saturation? In using a transistor to operate as a switch you must drive … How to Drive a Transistor into Hard SaturationRead more
BJT Operation Modes
BJT operation modes are at cut-off, saturation and active or linear. At cut-off, simply the BJT is not operating, say the base-emitter … BJT Operation ModesRead more