The third and fourth examples specify a 5 mA DC current source between node 1 and ground. Circuit with Dependent Source . 14.8 a. The direction of current is from node 1 to ground. The transresistance amplifier is often referred to as a transimpedance amplifier, especially by semiconductor manufacturers.. 14.12, the gyrator used in Sec. Figure 1 above shows an example of a circuit with a current controlled voltage source. It is responding depending on the input voltage. So, it is a current source but instead of having a constant current value, it is current is always two times of the voltage drop across the at top left (). In Sec. This circuit is a Howland voltage-controlled current source. The first two examples specify a DC voltage source of 5 V connected between node 1 and ground. Voltage-controlled voltage source where the output is V, and A V is the constant of proportionality (voltage gain), and V CD is the parameter being sensed. https://www.daycounter.com/Circuits/Voltage-Servo/Voltage-Servo.phtml The following equation is associated with a voltage-controlled voltage source: ... An example problem for the circuit shown in Figure 1 would be to find the following: A. Voltage-Controlled Current Source Circuit. As a footnote, the only controlled source which has not been considered in the above worked examples is the current-controlled voltage source. Note that the dependent source is found in the Here, we’ve specified a gain of 100, and a controlling current of R1.nA, meaning the current into terminal nA of resistor R1: 14.11 was replaced with a pair of voltage-controlled current sources as shown in Fig. This type of current source can be very useful in industrial applications. The Ohms law is applied in this scenario. 14.8 b. For example, when the input voltage is .4V, the op-amp will respond to have the same voltage .4V in his feedback pin. Open a new PSPICE project and enter this schematic. Voltage Control is a facilitation agency that helps teams work better together with custom-designed meetings and workshops, both in-person and virtual. For example: The current source at right side bottom is a voltage controlled current source. Based in Austin, Voltage Control designs and … Current Controlled Voltage Source CCVS H Analog Figure 1. A gyrator is shown in Fig. Voltage Controlled Dependent Voltage Source; Voltage Controlled Dependent Current Source; Current Controlled Dependent Current Source; Current Controlled Dependent Voltage Source; Using PSpice to find the Thévenin Equivalent Circuit; 3rd Tutorial: Subcircuits. AC Sources AC current and voltage sources are impulse functions used for an AC analysis. 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