# Seven Times Voltage Rectifier Circuit 2 Basiccircuit Circuit

## Seven Times Voltage Rectifier Circuit 2 Basiccircuit Circuit

Figure **2**.43: **Voltage** sweep for V(**2**). Example **2**.3 **Circuit** with VCVS. As an example consider the **circuit** of Fig. **2**.46.This **circuit** is composed by an independent DC **voltage** source with a value of 10 v, three resistors, and a VCVS whose **voltage** is 7 **times** the **voltage** drop across resistor R2.

This, of course, comes from Equation (**2**.1) and Equation (**2**.28). If we now apply Thevenin's Theorem to the portion of the **circuit** to the right of the dotted line, we obtain the equivalent **circuit** shown in Figure **2**.13(b). Notice that the resistance in our equivalent **circuit** has the same **voltage** (**2** VpK) on both ends, which produces a net **voltage** of 0.

A common-collector (CC) amplifier is shown in Fig **2**.22. The complete amplifier **circuit** is shown in Fig **2**.22A, while the small signal version is in Fig **2**.22B. The open **circuit** de base **voltage** is 5 V, so the emitter bias current is 4.4 mA, leading to r.=5.91 n. The follower of Fig **2**…

Two other basicrelationshipsalso apply in a simple dc **circuit**: 1. The currentvalue is tlte samethrough every part of the **circuit**, unlessa part of the **circuit** involves parallel-connectedpaths. Thus, in a **circuit** (A) of Fig. 3-**2**, all the resistorsin the **circuit** are connectedin seriesso that the sirmecurrent will flow through eachresistor.

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As a result,the current in an inductive **circuit** lags behind the **voltage** by 90. This is shown vectoriallyin Fig. **2**-8B, and as a pair of sine waves in Fig. **2**-8C.The ac **circuit** that contains a resistance and an inductance (Fig. **2**-9B) shows aphase shift (), shown vectorially in Fig. **2**-9A, other than the 90 difference seen inpurely inductive circuits.