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What is the voltage gain of common collector?
unity
What is voltage follower?
A voltage buffer amplifier is used to transfer a voltage from a first circuit, having a high output impedance level, to a second circuit with a low input impedance level.If the voltage is transferred unchanged (the voltage gain Av is 1), the amplifier is a unity gain buffer; also known as a voltage follower because the output voltage follows or tracks the input voltage. Although the voltage gain of a voltage buffer amplifier may be (approximately) unity, it usually provides considerable current gain and thus power gain
What is voltage gain?
Voltage gain is the ratio of the output voltage of an amplifier to its input voltage.
What are the three factors that effect the electrical parameters of a op-amp?
Supply voltage , temperature , frequency are factors that effect the electrical parameters of opamp
What is the voltage gain of voltage follower?
A: Voltage follower imply that the output will follow the input without any gain.
Why voltage gain is high in op amp?
A practical opamp is designed to approach the characteristics of the ideal opamp as closely as possible. The open loop voltage gain of an ideal opamp is infinite, so while this is actually impossible to achieve practical opamps are built with as high an open loop voltage gain as possible.
What is the voltage gain of common collector?
unity
An emitter follower has a voltage gain that is?
.7v less than unity for DC operation but unity for AC.
What is voltage follower?
A voltage buffer amplifier is used to transfer a voltage from a first circuit, having a high output impedance level, to a second circuit with a low input impedance level.If the voltage is transferred unchanged (the voltage gain Av is 1), the amplifier is a unity gain buffer; also known as a voltage follower because the output voltage follows or tracks the input voltage. Although the voltage gain of a voltage buffer amplifier may be (approximately) unity, it usually provides considerable current gain and thus power gain
Common collector amplifier does not have voltage gain but still provide power gain?
It still has a current gain significantly high though the voltage gain is close to unity.
Give the definition of output offset voltage of Op-Amp?
The output voltage of a opamp when the input of inverting and non inverting terminals are grounded
What is the use of offset null in an opamp?
A: Any offset whether is voltage or current is an output error to contend with.
What are the disadvantages of using common emitter amplifier?
Disadvantages of CE amplifier:1. It has a high output resistance.2. It responds poorly to high frequencies.3. It has high thermal instabilities.4. It's voltage gain is very unstable.
What is voltage gain?
Voltage gain is the ratio of the output voltage of an amplifier to its input voltage.
The voltage gran of an amplifier is 200 The decibel voltage gain is?
The voltage gain of an amplifier is 200. The decibel voltage gain is? Answer Gain in dB = 20 * log 200 = 46 dB
When the closed loop gain of op amp is unity?
A: As frequency increases the performance of the amplifier decreases to point where because of its internal make it reaches no gain or unity gain. Or it can be unity gain as designed like for a signal buffer
If the gain of a non-inverting amplifier equals Rf over Ri plus 1 Then what if Rf equals 0 and Ri equals infinite What is this type of op-amp?
It will have a fixed gain of 1. It is known as a voltage follower or a unity gain buffer.
