By Cyrielle Marjolaine. Diagram. Publised at Sunday, November 19th 2017, 23:35:54 PM. Inductors are usually represented by either a series of curved bumps, or loopy coils. International symbols may just define an inductor as a filled-in rectangle.
By Valentine Sybille. Power. Published at Monday, October 16th 2017, 15:16:58 PM. Load regulation refers to the ability of a voltage regulator to maintain a constant voltage as the load current varies and is expressed as a percentage. Ideally, the load regulation would be zero percent meaning that the output voltage is perfectly independent of the load current. The equation for load regulation is as follows.
By Lydie Honorine. Circuit. Published at Friday, October 13th 2017, 13:12:13 PM. Most electronic circuits can be represented as a system with an input and an output. The input signal is typically a voltage that is generated by a sensor or by another circuit. The output signal is also
By Madeleine Catherine. Diagram. Published at Thursday, October 12th 2017, 12:26:33 PM. In a digital circuit, power supply voltage levels are constrained to two distinct values – “logic high voltage” (called LHV or Vdd) and “logic low voltage” (called LLV or GND). The GND node in any circuit is the universal reference voltage against which all other voltages are measured (in modern digital circuits, GND is typically the lowest voltage in the circuit). In a schematic, it is often difficult to show lines connecting all GND nodes; rather, any nodes labeled GND are assumed to be connected into the same node. Often, a downward pointing triangle symbol, is attached to a GND node in addition to (or instead of) the GND label. The Vdd node in a digital circuit is typically the highest voltage, and all nodes labeled Vdd are tied together into the same node. Vdd may be thought of as the “source” of positive charges in a circuit, and GND may be thought of as the “source” of negative charges in a circuit. In modern digital systems, Vdd and GND are separated by anywhere from 1 to 5 volts. Older or inexpensive circuits typically use 5 volts, while newer circuits use 1-3 volts.
By Valentine Sybille. Circuit. Published at Tuesday, October 10th 2017, 11:14:52 AM. When multiple components are connected in series, each component must carry the same current. When multiple components are connected in parallel, the total current is the sum of the currents flowing through each individual component. These statements are generalized as Kirchoff’s Current Law (KCL), which states that the sum of currents entering and exiting a node must be zero.
By Charlotte Myriam. Circuit. Published at Monday, October 09th 2017, 11:02:09 AM. A simple low-pass filter circuit, which allows low frequency signals to pass through the circuit while attenuating high-frequency signals, can be made using a resistor and capacitor in series.The transfer function of this filter can be determined by analyzing the circuit as a voltage divider,
By Bertille Solange. Circuit. Published at Thursday, October 05th 2017, 10:31:38 AM. The concept of complex impedance introduces a unified representation for resistors, capacitors, and inductors, whereby a circuit’s frequency response from input to output can be determined using KVL and KCL, where each element is assigned the appropriate impedance. The key assumption to this point is that the input to the circuit must consist solely of DC and/or sinusoidal signals. Now, this analysis is be extended to include arbitrary input signals by using the mathematical techniques of Laplace transforms.
By Cyrielle Marjolaine. Diagram. Published at Monday, October 02nd 2017, 09:03:01 AM. Voltage nodes are single-terminal schematic components, which we can connect component terminals to in order to assign them to a specific voltage level. These are a special application of net names, meaning all terminals connected to a like-named voltage node are connected together.
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