Computes the gain and the input and output resistances and automatically sends the results to the output file. To specify the transfer function, choose Setup from the Analysis menu and open the Transfer Function dialog box. In the Output Variable box specify the output voltage, and in the Input Source box type the input source name. The transfer f
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unction analysis can be used conveniently to obtain the Thevenin`s equivalent circuit. The use of this analysis to obtain the Thevenin`s equivalent circuit is demonstrated in the following example We want to obtain the Thevenin`s equivalent circuit with respect to the 3. 5 W resistor. The 3. 5 W resistor is replaced by an open circuit. Since in PSpice two or more elements must be connected to each node, the 3. 5 W resistor is replaced by an infinitely high value resistor as shown. A VIEWPOINT is added at node 4 to display the open-circuit voltage (Thevenin`s voltage). To obtain the output or Thevenin`s resistance, the transfer Function is enabled. In the Output variable box we type V(4), and in the Input Source box, we type V1. DC voltage or current sources may be swept over a range through the use of the DC Sweep Analysis. The DC Sweep is similar to the node voltage analysis, but adds more flexibility. In the DC sweep, the input variable is varied over a range of values. For each value of the input variable, the DC operating point is computed. If the transfer function is also enabled the small-signal DC gain and the input/output resistances are also computed. For the circuit shown print and plot the voltage V23, IR2, and IR3 as the input voltage is varied from 0 to 100 V in 5 V increment. Select the Setup from the analysis menu, click the DC Sweep dialog button. The DC Sweep dialog box appears. For the Sweep Variable type...
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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