This electronics video tutorial provides a basic introduction into the common emitter amplifier which uses a NPN bipolar junction transistor. This video explains how to calculate the voltage gain, current gain, and power gain of the CE amplifier circuit. Got Questions ! Your Answers> What is the ...
Passive Emitter and Rear Contact (PERC) photovoltaic cells can be monocrystalline or polycrystalline. The difference betweenPERCand traditional cSi solar cells isn’t in the type of silicon used. Rather, it’s the application of a passivation layer of antireflective material (silicon nitride) to th...
Note the equation at the bottom of the diagram above: The formula to calculate the voltage out of a voltage divider is: Voltage Out = Voltage In * resistance below the output / total resistance We can calculate the voltage out of the voltage divider by multiplying the Voltage in * R2 / ...
To calculate the parameters safely we must take care of the following considerations: Current Sharing with Emitter Resistors: The voltage drop across each emitter resistor is supposed to be approximately equal. The value of the emitter resistors can be calculated with regards to the desired current ...
When the transistor switches off, the magnetic field produced by the coil collapses, inducing a voltage spike. The flywheel diode provides a path for this spike, protecting the transistor from damage. If you want to learn more about how the transistor works and how to calculate the base resist...
• The adjustment range of the VCOM voltage is thus from V(AVDD)/4 to V(AVDD)/2. Capacitor C1 makes a low-pass filter with the output resistance of the level shifter. The minimum output resistance of the level shifter is 50 kΩ, and this value must be used to calculate the filter...
We recommend a value of 10k, but any value from 1k to 100k would be acceptable. Now that the desired collector current has been found, you can calculate the final component value. RC is calculated using Kirchhoff's voltage law, drawing a loop through the base-emitter junction of the ...
To be precise the emitter voltage will be just 0.7 V behind the base voltage. For example, if the base voltage is 6 V, the emitter will 6 - 0.7 = 5.3 V and so on. The 0.7 V difference is due to the minimum forward voltage drop rating of the transistor across the base emitter. ...
(V/I) response is measured. Next, identify all the nodes and choose a reference that connects important components or voltage sources. Calculate all the unknown node voltages (variables) using Kirchhoff’s current law (KCL) and verify if the values match. If you observe any discrepancies for ...
His simulated circuit is a slight variation (for measurement purposes). The resistor to ground on the base stabilizes the bias and the ratio of R1 and R2 set the output voltage (0.6 volts across R2 gives about 8 volts across R1). He put in an emitter resistor just for good measure. Sam...