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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


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 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.


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.


Why are fixed resisters used in many circuts?

Hi, where there is no need of changing the value of resistor then why do you place variable resistor instead a fixed resistor. After all the selection of resistor depends on the cause of use in application. by the way wide range of resistor values are avilable in the market. if the application requires tuning operation then variable resistor is need to be mounted. nothing is mandatory unless the application requires. Regards, Manjunath A.V

Related Questions

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


What are the basics of how flashlights work?

You need a conductor, power source and a resistor. You need a conductor, power source and a resistor. You need a conductor, power source and a resistor.


What are the different types of biasing technique for amplifier?

Base resistor method (or) Fixed bias methodBiasing with feedback resistor (or) Collector to base bias methodVoltage divider bias (or) Self 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 are ways to reduce bias?

Increase the collector-base feedback resistor.


Ism there 0 ohm resister available in market then its colour coding what?

Why would you buy something that does absolutely nothing? If you need a "zero ohm resistor", just don't connect any resistor at all.Why would you buy something that does absolutely nothing? If you need a "zero ohm resistor", just don't connect any resistor at all.Why would you buy something that does absolutely nothing? If you need a "zero ohm resistor", just don't connect any resistor at all.Why would you buy something that does absolutely nothing? If you need a "zero ohm resistor", just don't connect any resistor at all.


Circuit diagram for fixed bias circuit?

need to use BC107 transistor which has three terminals base, collector and emitter........ collector is connected with 6.8k ohm resistor other end of this resistor is connected with 3.7 ohm resistor and it is connected to the base of the transistor which is already connected to a capacitor of 1 micro F and a positive of function generator......and in the output side i.e in the collector and emitter side connect the 1 micro F capacitor and 10 kohm resistor and connect the CRO...... then other to the ground.......


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 the base bias Q-point in transistor circuits changes with temperature?

why we use base resistor in emitter bias


If you have a 12point6V battery and a 9V receiver how can you work out which resistor is needed?

you better not. you need a 9V regulator for this, not a resistor!


How do you calculate the correct resistor value needed using 12vdc to run 6vdc circuit?

You need to drop 6 volts across the resistor. -- The resistor you need is 6/(the current in amps that your 6vdc device uses to operate) ohms. Example: If the device uses 1/2 Amp when it's running, then you need a 6/0.5 = 12-ohm resistor. -- And the power-dissipation rating of the resistor has to be at least 36/resistance watts. Example: For the 12-ohm resistor in the last example, it needs to be a (3-watt or more) resistor.