Voltage Gain

A simplified small-signal equivalent circuit of a BJT-based amplifier is given below. The small-signal voltage gain Vo/Vs (in V/V) is _________.

For the closed loop amplifier circuit shown below, the magnitude of open loop low frequency small signal voltage gain is 40. All the transistors are biased in saturation. The curre...

In the circuit shown below, the transistors M₁ and M₂ are biased in saturation. Their small signal transconductances are g_m1 and g_m2 respectively. Neglect body effect, channel le...

The $\frac{V_{OUT}}{V_{IN}}$ of the circuit shown below is

The h-parameters of a two port network are shown below. The condition for the maximum small signal voltage gain $\frac{V_{out}}{V_s}$ is

Three identical amplifiers with each one having a voltage gain of 50, input Resistance of 1 KΩ and output resistance of 250Ω, are cascaded. The open circuit voltage gain of the com...

An Amplifier using an Op-Amp with a Slew-Rate SR = V/$$\mu $$sec, has a gain of 40 dB. If this amplifier has to faith fully amplify sinsoidal signals from dc to 20 KHz. Without int...

The ideal Op-Amp has the following characteristics.

In a series regulated power supply circuit, the voltage gain A v of the ‘pass’ transistor satisfies the condition: