Question

202. The output voltage of an ampifier is 5V
when an input voltage is 50mV. Its voltage gain
is​

Answer 1

Answer:

An ideal op amp has infinite gain for differential input signals. ... modern system designs, supply voltages are dropping rapidly, and 3-5V total supply ... lower limit of VOUT is simply 50mV.

Answer 2

The voltage gain of the amplifier is 100

The voltage gain of an amplifier is defined as the ratio of the output voltage to the input voltage.

In this case, the output voltage is 5V and the input voltage is 50mV, so the voltage gain can be calculated as follows:

Voltage gain = Output voltage / Input voltage

= $5V / 50mV$

= 100

Therefore, the voltage gain of the amplifier is 100.

This means that for every 1mV increase in the input voltage, the output voltage will increase by 100mV.

• Voltage gain is an important characteristic of amplifiers, as it determines the magnitude of the output signal compared to the input signal.
• A high voltage gain means that the amplifier can amplify a small input signal to a large output signal, making it useful for applications such as audio amplifiers, RF amplifiers, and instrumentation amplifiers.

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