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What is the effect of emitter resistance in common emitter amplifier?
The gain of a common-emitter amplifier is collector resistor divided by emitter resistor, or hFe, whichever is less. Since hFe depends on temperature, designing the amplifier to be dependent on resistance ratio makes it more stable. As such, the emitter resistance serves to stabilize the amplifier.
What is effect of an unbypassed resistor on the common emitter amplifier circuit?
An emitter resistor in a common emitter circuit will cause the stage to experience the effects of degenerative feedback if it is unbypassed. The degenerative feedback reduces gain. This is probably the primary effect in the described circuit.
When emitter resistors is bypassed with a capacitor how is the gain of the amplifier affected?
Bypassing the emitter resistor with a capacitor in an amplifier configuration effectively removes the negative feedback provided by the resistor at high frequencies. This results in an increase in voltage gain, as the gain is primarily determined by the ratio of the collector and emitter resistances. However, the capacitor only provides this effect at certain frequencies, allowing for improved gain without affecting low-frequency stability. Thus, the overall gain of the amplifier increases at higher frequencies while maintaining lower frequency performance.
What effect does the amplifier have on the frequency of the signal?
No effect on frequency but increases it's amplitude.
What are the feature that effect the frequency response of an amplifier?
all reactive elements in the amplifier, including stray capacitances and inductances.
What is the effect of emitter resistance in common emitter amplifier?
The gain of a common-emitter amplifier is collector resistor divided by emitter resistor, or hFe, whichever is less. Since hFe depends on temperature, designing the amplifier to be dependent on resistance ratio makes it more stable. As such, the emitter resistance serves to stabilize the amplifier.
What is effect of an unbypassed resistor on the common emitter amplifier circuit?
An emitter resistor in a common emitter circuit will cause the stage to experience the effects of degenerative feedback if it is unbypassed. The degenerative feedback reduces gain. This is probably the primary effect in the described circuit.
What effect does an amplifier have on the frequency of the signal?
A; An amplifier will have no effect on the input frequency however its output may not follow the input frequency at the hi end due to the amplifier limitations
What are the component of electronics?
Electronic have two type of components Active components and Passive components. Active components are those which increase the power of a signal and must be supplied with the signal and a source of power. Passive components do not increase the power of a signal. Active components are Bipolar transistor, Operational amplifier, field effect transistors etc and Passive components are semiconductor, resistor, capacitor, inductor etc
When emitter resistors is bypassed with a capacitor how is the gain of the amplifier affected?
Bypassing the emitter resistor with a capacitor in an amplifier configuration effectively removes the negative feedback provided by the resistor at high frequencies. This results in an increase in voltage gain, as the gain is primarily determined by the ratio of the collector and emitter resistances. However, the capacitor only provides this effect at certain frequencies, allowing for improved gain without affecting low-frequency stability. Thus, the overall gain of the amplifier increases at higher frequencies while maintaining lower frequency performance.
What effect does the amplifier have on the frequency of the signal?
No effect on frequency but increases it's amplitude.
How does a jfet input operational amplifier work?
A: an operational amplifier has two input A+ and a - input feeding to a base of a transistor ideally both diodes are matched with a current source to make them equal so basically they are both balanced or virtually at the same potential increasing one potential to one will inversely effect the other. usually these junctions are transistor base to emitter but it could that one is just a plain diode working on the exponential curve of the diodes
What are the feature that effect the frequency response of an amplifier?
all reactive elements in the amplifier, including stray capacitances and inductances.
What is the effect of negative feedback in a noninverting amplifier?
Negative feedback in a noninverting amplifier results in improved stability and reduced drift.
What are the applications of jfet transistor?
The Junction Field Effect Transistor (JFET)exhibits characteristics which often make it more suited to a particular application than the bipolar transistor. Some of these applications are: - High Input Impedance Amplifier - Low-Noise Amplifier - Differential Amplifier - Constant Current Source - Analogue Switch or Gate - Voltage Controlled Resistor
What is the purpose of source resistor and gate resistor?
The source resistor in a transistor circuit helps to stabilize the operating point by providing negative feedback, which reduces distortion and improves linearity by controlling the amount of current flowing through the transistor. The gate resistor, on the other hand, is used to limit the input current to the gate terminal of a field-effect transistor (FET) or to reduce oscillations in amplifier circuits, ensuring stable operation and protecting the gate from voltage spikes. Together, these resistors enhance circuit performance and reliability.
What does the heater resistor blower effect on a 99 mercury sable?
A bad heater blower motor resistor would effect one or more blower speeds other than high.
