In power systems, these harmonics can cause problems ranging from telephone transmission interference to conductor degradation; therefore, it is important to control the total THD. A lower THD means a lower peak current, less heating, lower electromagnetic emissions, and less core loss in motors. R...
The following circuit diagram shows how to correctly connect two or more transistors in parallel. The emitter resistors make sure that the current sharing across the transistors is uniform and thus a thermal runaway situation is avoided. How to Calculate the Emitter Current Limiting Resistor in Para...
measured in amps, represents how fast the energy moves through a circuit. For example, you might use horsepower and voltage to find the current in a motor. In order to calculate the current from the horsepower and voltage, you must also know the efficiency of the circuit...
Skin effect:Skin effect is a phenomenon due to which higher frequency components start traveling closer to the outside of a circuit board conductor rather than within it. High-frequency signals are also responsible for generating waveforms with varying current values. Such signals have their self-in...
How to fool people to work on circuit lower boundsRan Raz
However, the power dissipation in the resistor increases with the square of the current and the additional voltage drop must be accounted for. In addition, resistors add inductive reactance to the circuit. And don't forget that the differential probe input capacitance appears in parallel with the...
To reduce voltage in half, we simply form a voltage divider circuit between 2 resistors of equal value (for example, 2 10KΩ) resistors. To divide voltage in half, all you must do is place any 2 resistors of equal value in series and then place a jumper wire in between the resistors....
Suppose I have a 5ohm resistive load hooked up to a 10v battery. The current drawn by the load would be equal to the current through the circuit, right?(assuming the load is connected in series). Using ohm's law, the current through the circuit would hence be 2A. ...
In both cases we consider a basic unit of a PV module with minimal number of cells coupled to a single secondary battery cell. These units can be part of a larger panel or system or used individually. Calculations are performed for battery open circuit voltage range of 3.1–4.6 V relevant...
CTE along the X and Y axes is typically between 10 and 20 ppm due to the material’s woven glass structure. This restricts the material’s expansion in X and Y directions, allowing it to expand in the Z direction perpendicular to the surface layer of a circuit board. ...