22 r 3 r 2 r in 03 0 determine the voltage gain of the circuit shown in figure

General
1

22 r 3 r 2 r in 03 0 determine the voltage gain of the circuit shown in figure

2

22 r 3 r 2 r in 03 0 determine the voltage gain of the circuit shown in figure

Answer:
To determine the voltage gain of the circuit, we need to analyze the components and configuration of the circuit depicted in the figure. Although the figure is not provided here, I will outline the general steps to determine the voltage gain for common circuit configurations. If you have a specific type of amplifier or circuit, the details might vary slightly, but the foundational approach will generally remain consistent.

  1. Identify the type of amplifier or circuit:

    • Determine whether the circuit is a common emitter, common base, op-amp inverting/non-inverting, or any other specific configuration.

  2. Classify the resistors (R1, R2, R3, etc.):

    • In the context provided, we have resistors denoted as 22 Ω, 3 Ω, and 2 Ω. Assign these to their appropriate places in the circuit, such as input resistors, feedback resistors, load resistors, etc.

  3. Apply the appropriate voltage gain formula:

    • Depending on the type of amplifier, the voltage gain formula will differ.

Example 1: Common Emitter Amplifier

  1. Identify the components:

    • Let’s assume R1 = 22 Ω, R2 = 3 Ω, and R3 = 2 Ω
    • For a common emitter amplifier, typically R1 and R2 might be part of a voltage divider biasing network, and R3 could be the emitter resistor.

  2. Voltage gain formula:

    • For a common emitter (CE) amplifier without an emitter bypass capacitor, the voltage gain (Av) is given by:

      A_v = - \left(\frac{R_C}{R_E}\right)

      where (R_C) is the collector resistor and (R_E) is the emitter resistor.

  3. Simplified example with given resistors:

    • Assume (R_C = 22) Ω and (R_E = 2) Ω (As indicated by the provided resistance values):

      A_v = - \left(\frac{22}{2}\right) = - 11

      Hence, the voltage gain for this simplified example of a common emitter amplifier is (-11).

Example 2: Operational Amplifier (Inverting)

  1. Identify the components:

    • For an inverting op-amp configuration, we have input resistor ((R_{in})) and feedback resistor ((R_f)).

  2. Voltage gain formula:

    • The voltage gain ((A_v)) for an inverting amplifier is given by:

      A_v = - \left(\frac{R_f}{R_{in}}\right)

  3. Simplified example with given resistors:

    • Assume (R_{in} = 2) Ω and (R_f = 22) Ω:

      A_v = - \left(\frac{22}{2}\right) = -11

Hence, the voltage gain for this simplified example of an inverting op-amp is (-11).

To Conclude:

Final Answer:
The voltage gain of the circuit depends on the specific configuration of the circuit elements. For a common emitter amplifier with the given resistor values, the voltage gain would be (-11). For an inverting operational amplifier with the same resistor values, the voltage gain is also (-11). If the circuit involves different components and configurations, please provide more details for a precise calculation.