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How do you bias a 2N5777 photo-transistor?
connect the base of the transistor to a variable resistor and to a normal resistor
How to draw NOT gate using NPN transistor?
RTL logic: NPN transistor. Emitter grounded. Input connected to base through a resistor. Vcc also connected to base through a resistor. If the input is high or open, the transistor is on. If the input is low, the transistor is off. Connect a resistor from Vcc to the collector. The collector is the ouput. You have to play around with resistor values to setup your fan-in and fan-out properties.
What happen if the base resistor of transistor has zero resistance?
If the base resistor of a transistor has zero resistance, it effectively creates a direct short circuit between the base and the power supply. This can lead to excessive current flowing into the base, potentially damaging the transistor and causing it to enter saturation, where it cannot function properly. Additionally, the transistor may overheat and fail due to the lack of current limiting. Therefore, a base resistor is essential for controlling the base current and ensuring safe operation.
What is swamp resistor?
Resistor placed in the emitter lead of a transistor circuit to minimize the effects of temperature on the emitter-base junction resistance.
What is hie for a transistor?
hie is input impedance when signal applied at its base.
How do you bias a 2N5777 photo-transistor?
connect the base of the transistor to a variable resistor and to a normal resistor
How do you bias a 2N5777 photo transistor?
connect the base of the transistor to a variable resistor and to a normal resistor
How to draw NOT gate using NPN transistor?
RTL logic: NPN transistor. Emitter grounded. Input connected to base through a resistor. Vcc also connected to base through a resistor. If the input is high or open, the transistor is on. If the input is low, the transistor is off. Connect a resistor from Vcc to the collector. The collector is the ouput. You have to play around with resistor values to setup your fan-in and fan-out properties.
What happen if the base resistor of transistor has zero resistance?
If the base resistor of a transistor has zero resistance, it effectively creates a direct short circuit between the base and the power supply. This can lead to excessive current flowing into the base, potentially damaging the transistor and causing it to enter saturation, where it cannot function properly. Additionally, the transistor may overheat and fail due to the lack of current limiting. Therefore, a base resistor is essential for controlling the base current and ensuring safe operation.
Why transistor is called so?
transistor. This word is a blended form of transfer of resistor. The legs of transistor (collector, emitter,base) transfer the resistance. So it is called as transistor
Why the base bias Q-point in transistor circuits changes with temperature?
why we use base resistor in emitter bias
What is swamp resistor?
Resistor placed in the emitter lead of a transistor circuit to minimize the effects of temperature on the emitter-base junction resistance.
What is hie for a transistor?
hie is input impedance when signal applied at its base.
What is a transistor that is normally on with no applied signal?
The PNP transistors conducts when there is no signal at base (0V or grounded), when base current is increased the conduction of PNP transistor decreases.
Why do you have to connect a resistor to collector of transistor?
Type your answer here... to properly bias the junction for current flow thru the transistor. The voltage potential must be different on the base than the collector
Draw a simple circuit of a CE transistor amplifier?
A common-emitter (CE) transistor amplifier circuit typically includes a NPN transistor, a biasing resistor network, an input coupling capacitor, and an output coupling capacitor. The input signal is fed into the base of the transistor through the coupling capacitor, while the collector is connected to a power supply through a load resistor. The emitter is usually grounded or connected to a resistor. This configuration allows for voltage amplification, where the output is taken from the collector.
What is emitter biasing?
Emitter biasing is when you add a resistor between the emitter of a transistor and the 0v rail so that any voltage developed across the emitter will subtract from the voltage on the base and effectively turn the transistor OFF. We are talking about an NPN transistor and the transistor is an "ordinary transistor" or BJT (bi-polar Junction Transistor). For more information on transistor biasing see: Talking Electronics website.
