What is the need for biasing?

1 Answer

Answer :

To get proper collector current

Proper base emmiter voltage

Proper emmiter collector voltage

In short to maintain operating point such as faithful amplification is produced

Related questions

Description : What are the types of biasing?

Last Answer : Biasing is classified into 2 types.The 2 types are 1) Forward biasing 2) Reverse biasing

Last Answer : The proper flow of zero signal collector current and the maintenance of the proper collector emmiter voltage during passage of single called as transistor biasing

Description : State the need of biasing and describe the concept of DC load line

Last Answer : Need of Biasing for Transistor: The transistor should be biased in the active region if it is to be used for amplification and in saturation and cut off if it is used as a switch. 2. The Q ... The position of operating point on the load line is dependent on the application of the transistor.

Description : Define: i) Q point ii) DC loadline iii) Need of biasing iv) Current gain

Last Answer : i) Q point: It is the point on the load line which represents the dc current through a transistor (ICQ) and the voltage across it (VCEQ), when no ac signal is applied.  ii) DC load line: The ... region is as desired.  iv) Current Gain: It is a ratio of output current to input current.

Description : State the need of biasing of BJT.

Last Answer : Need of biasing: The basic need of transistor biasing is to keep the base-emitter (B-E) junction properly forward biased and the collector-emitter (C-E) junction properly reverse biased ... transistor biasing is necessary for normal and proper operation of transistor to be used for amplification. 

Description : How could I have asked this question without biasing the answers?

Last Answer : There are closed (yes/no) questions, open questions and leading questions. Closed and leading questions are safe because you can control and predict the reactions and outcomes. Open questions are risky ... to run that risk. Unfortunately that means you didn't get the honest reactions you wanted.

Description : What is Biasing ?

Last Answer : : Biasing is the external DC supply that is given to activate a transistor.

Description : How many types of biasing ?

Last Answer : : There are two types of biasing: 1) forward biasing 2) reverse biasing.

Description : In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes ... of the signal while it isolates the biasing of each stage. D. good frequency response.

Last Answer : Answer: C

Description : RC time constant characteristics, as shown in the illustration, are important in _____________. EL-0086 A. bridge rectifiers for alternator excitation B. timing and pulse shaping circuits C. transistor power amplifier biasing D. motor controller overload protection

Last Answer : Answer: B

Description : What is biasing?

Last Answer : To use the transistor in any application it is necessary to provide sufficient voltage and current to operate the transistor. This is called biasing.

Description : What are the requirements for biasing circuits?

Last Answer : · The q point must be taken at the Centre of the active region of the output characteristics. · Stabilize the collector current against the temperature variations. · Make the q point independent of the transistor parameters. · When the transistor is replaced, it must be of same type.

Description : What are the methods of transistor biasing?

Last Answer : 1. fixed bias 2.collector to base bias 3. self bias or voltage divider bias 4. emitter bias

Description : Write about the biasing of a transistor.

Last Answer : Emitter base junction is forward biased while collector base junction is reverse biased.

Description : When is a p-n junction said to be forward biased or what is meant by forward biasing of p-n junction? How does it affect resistance?

Last Answer : When the positive terminal of a cell is connected to p-side and negative terminal to the n-side of a p-n junction then it is said to be forward biased. It offers low resistance.

Description : What is Biasing?

Last Answer : Ans- Biasing is process of applying potential across any electronic equipment in order to make it operate as we require.

Description : Which biasing method is the most unstable?

Last Answer : Base current bias or fixed bias.

Description : Besides eliminating the emitter-base battery, what other advantages can different biasing methods offer?

Last Answer : Compensation for slight variations in transistor characteristics and changes in transistor conduction because of temperature variations.

Description : rid-leak biasing in effect rectifies the input ac signal. What feature

Last Answer : Unequal charge and discharge paths of the coupling capacitor Cc.

Description : In a circuit using grid-leak biasing, the coupling capacitor (Cc) chargcharge path?

Last Answer : rkg, the cathode to grid resistance.

Description : When a circuit uses cathode biasing, the input signal can cause varia

Last Answer : Through the use of a bypass capacitor

Description : Explain with circuit diagram, voltage divider biasing method and state its two advantages.

Last Answer : a)Here R1 and R2 forms voltage divider biasing arrangement. b)voltage drop across R2 ,forward biases the base emitter junction. c)so base current flows and hence collector ... Operating point stabilized against shift in temperature. · Operating point is almost independent of β variation

Description : List various transistor biasing methods.

Last Answer : Types of biasing methods: i. Base bias (or fixed bias) ii. Base bias with emitter feedback. iii. Base bias with collector feedback iv. Voltage divider bias (or self bias) v. Emitter bias. 

Description : Draw circuit diagram of voltage divider biasing list two advantages of voltage divider biasing of BJT.

Last Answer : Two advantages of voltage divider biasing of BJT. 1. It is very simple method of transistor biasing. 2. The biasing conditions can be very easily set. 3. there is no loading of ... 5. The resistor RE introduces a negative feedback. So all the advantages of negative feedback are obtained. 

Description : Define biasing of transistor

Last Answer : Biasing of transistor is the process that makes the base emitter junction of transistor always forward biased and collector junction reverse biased for achieving the faithful amplification .

Description : A bipolar junction transistor (BJT) is used as a power control switch by biasing it in the cut-off region (OFF state) or in the saturation region (ON state). In the ON state, for ... base-collector junction is reverse biased (D) both the base-emitter and base-collector junctions are forward biased

Last Answer : A BJT is as a power control switch by biasing it in cut-off region (OFF state) or in the saturation region (ON state). In  ON state, for BJT both the base-emitter and base- collector junctions are forward biased

Description : Which of the following statements is wrong for transistor biasing methods:  1. The base resistor method does not provide stabilization of operating point 2. The biasing with feedback ... than collector feedback method 4.Voltage divider bias is widely used because it has stable operating point

Last Answer : Which of the following statements is wrong for transistor biasing methods:  1. The base resistor method does not provide stabilization of operating point 2. The biasing with feedback ... than collector feedback method 4.Voltage divider bias is widely used because it has stable operating point 

Description : While biasing JFET if drain and source are interchanged, then (A) device will work normally (B) device will get damaged (C) device will work but value of drain current will affected (D) device will not operate at all

Last Answer : B