Output Voltage Gain of Active Loaded CE Amplifier Calculator

Formula Used:

\[ \text{Output Voltage Gain} = -\text{Transconductance} \times \text{Output Resistance} \] \[ G_{ov} = -g_m \times R_o \]

Output Voltage Gain (G_ov):

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1. What is Output Voltage Gain of Active Loaded CE Amplifier?

The Output Voltage Gain of an Active Loaded CE (Common Emitter) Amplifier represents the amplification factor of the amplifier circuit. It quantifies how much the output voltage changes relative to the input voltage, with the negative sign indicating phase inversion.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ G_{ov} = -g_m \times R_o \]

Where:

\( G_{ov} \) — Output Voltage Gain
\( g_m \) — Transconductance (Siemens)
\( R_o \) — Output Resistance (Ohm)

Explanation: The formula calculates the voltage gain by multiplying the transconductance with the output resistance, with a negative sign indicating signal inversion.

3. Importance of Output Voltage Gain Calculation

Details: Accurate calculation of output voltage gain is crucial for designing and analyzing amplifier circuits, ensuring proper signal amplification, and maintaining circuit stability in electronic systems.

4. Using the Calculator

Tips: Enter transconductance in Siemens and output resistance in Ohms. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why is the output voltage gain negative?
A: The negative sign indicates that the output signal is 180 degrees out of phase with the input signal, which is characteristic of common emitter amplifier configurations.

Q2: What is typical range for transconductance values?
A: Transconductance values typically range from microsiemens (μS) to millisiemens (mS) depending on the transistor type and operating conditions.

Q3: How does active loading affect the amplifier performance?
A: Active loading increases the output resistance, which in turn increases the voltage gain of the amplifier compared to resistive loading.

Q4: What factors affect the output resistance?
A: Output resistance is affected by the transistor's Early voltage, bias conditions, and the specific configuration of the active load circuit.

Q5: Can this calculator be used for other amplifier configurations?
A: This specific formula is designed for active loaded CE amplifiers. Other amplifier configurations may require different formulas for voltage gain calculation.