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How to calculate the gain of a circuit

Step 1: Identify the input and output voltages.

The input voltage is the voltage that is applied to the circuit at the input terminals. The output voltage is the voltage that is produced at the output terminals of the circuit.

Gain = Vout / Vin

where:

The following example shows how to calculate the gain of a simple amplifier circuit:

+-------+

| Vin |

+-------+

| Vout |

+-------+

• Vout is the output voltage

The gain of this circuit is calculated using the following formula:

• Voltage gain: The voltage gain of a circuit is the ratio of the output voltage to the input voltage.

• Current gain: The current gain of a circuit is the ratio of the output current to the input current.

The gain of a circuit is an important parameter that determines how much the circuit will amplify or attenuate a signal. The gain of a circuit can be calculated by dividing the output voltage by the input voltage. There are three main types of gain: voltage gain, current gain, and power gain. Gain is used in a wide variety of electronic circuits, including amplifiers, oscillators, and filters.