Justify the reasons for using current sources in integrated circuits.

Justify the reasons for using current sources in integrated circuits.
by

1 Answer

Answer :

(i) Superior insensitivity of circuit performance to power supply variations and temperature. 

(ii) More economical than resistors in terms of die area required to provide bias currents of small value.

(iii) When used as load element, the high incremental resistance of current source results in high voltage gain at low supply voltages.
by

Related questions

Mention the advantages of integrated circuits over discrete components.

Description : Mention the advantages of integrated circuits over discrete components.

Last Answer : *Miniaturisation and hence increased equipment density. *Cost reduction due to batch processing. *Increased system reliability due to the elimination of soldered joints. *Improved functional performance. *Matched devices. *Increased operating speeds. *Reduction in power consumption.

‘IC’ in computers stands for (1) Integrated Charge (2) Integrated Current (3) Integrated Circuits (4) Internal Circuits

Description : ‘IC’ in computers stands for (1) Integrated Charge (2) Integrated Current (3) Integrated Circuits (4) Internal Circuits

Last Answer :  Integrated Circuits

What are the applications of current sources?

Description : What are the applications of current sources?

Last Answer : Transistor current sources are widely used in analog ICs both as biasing elements and as load devices for amplifier stages.

This component is required to process data into information and consists of integrated circuits. 1) Hard disk 2) RAM 3) CPU 8 4) ROM 5) None of these

Description : This component is required to process data into information and consists of integrated circuits. 1) Hard disk 2) RAM 3) CPU 8 4) ROM 5) None of these

Last Answer : Answer :3

MSI stands for A) Medium Scale Integrated Circuits B) Medium System Integrated Circuits C) Medium Scale Intelligent Circuit D) Medium System Intelligent Circuit

Description : MSI stands for A) Medium Scale Integrated Circuits B) Medium System Integrated Circuits C) Medium Scale Intelligent Circuit D) Medium System Intelligent Circuit

Last Answer : Answer : A

Who invented Integrated Circuits? A) Jack Kilby B) Robert Noyce C) Both of above D) None of above

Description : Who invented Integrated Circuits? A) Jack Kilby B) Robert Noyce C) Both of above D) None of above

Last Answer : Answer : C

The main electronic component used in first generation computers was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above

Description : The main electronic component used in first generation computers was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above

Last Answer : Answer : B

Chief component of first generation computer was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above

Description : Chief component of first generation computer was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above

Last Answer : Answer : B

Integrated Circuits (ICs) are related to which generation of computers? A) First generation B) Second generation C) Third generation D) Fourth generation

Description : Integrated Circuits (ICs) are related to which generation of computers? A) First generation B) Second generation C) Third generation D) Fourth generation

Last Answer : Answer : C

The element of used in making integrated circuits is

Description : The element of used in making integrated circuits is

Last Answer : silicon.

Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Last Answer : Vacuum Tubes and Valves

MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit

Description : MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit

Last Answer : Medium Scale Integrated Circuits

MSI stands for a) Medium Scale Integrated Circuits b) Medium System Integrated Circuits c) Medium Scale Intelligent Circuit d) Medium System Intelligent Circuit

Description : MSI stands for a) Medium Scale Integrated Circuits b) Medium System Integrated Circuits c) Medium Scale Intelligent Circuit d) Medium System Intelligent Circuit

Last Answer : a) Medium Scale Integrated Circuits

Integrated circuits contained 1) 10 to 20 components 2) 20 to 30 components 3) 25 to 25 components 4) 35 to 25 components

Description : Integrated circuits contained 1) 10 to 20 components 2) 20 to 30 components 3) 25 to 25 components 4) 35 to 25 components

Last Answer : 1) 10 to 20 components

Integrated circuits contained 1 10 to 20 components 2 20 to 30 components 3 25 to 25 components 4 35 to 25 components

Description : Integrated circuits contained 1 10 to 20 components 2 20 to 30 components 3 25 to 25 components 4 35 to 25 components

Last Answer : 1 10 to 20 components

.Give the variety of Integrated Circuits?

Description : .Give the variety of Integrated Circuits?

Last Answer : _ More Specialized Circuits _ Application Specific Integrated Circuits(ASICs) _ Systems-On-Chips

Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Last Answer : b. Vacuum Tubes and Valves

MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit

Description : MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit

Last Answer : b. Medium System Integrated Circuits

Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Last Answer : b. Vacuum Tubes and Valves

MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit

Description : MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit

Last Answer : a. Medium Scale Integrated Circuits

List any 4 advantages and any 4 disadvantages of Integrated circuits.

Description : List any 4 advantages and any 4 disadvantages of Integrated circuits.

Last Answer : Advantages of Integrated circuits:- 1. Extremely small size. 2. Very small weight . 3. Very low cost . 4. More reliable . 5. Lower power consumption . 6. Easy replacement ... achieved.  9.Large value of saturation resistance of transistors. 10.Voltage dependence of resistor and capacitors.

ASIC stands for A. Application-System Integrated Circuits B. Application-Specific Integrated Circuits C. Application-System Internal Circuits D. Application-Specific Internal Circuits

Description : ASIC stands for A. Application-System Integrated Circuits B. Application-Specific Integrated Circuits C. Application-System Internal Circuits D. Application-Specific Internal Circuits

Last Answer : B. Application-Specific Integrated Circuits 

Who amongst the following was awarded Nobel Prize for developing the technology used in integrated circuits used in PCs? (1) Robert F. Furchgott (2) Horst L. Stormer (3) Jack Kilby (4) John a. Pople

Description : Who amongst the following was awarded Nobel Prize for developing the technology used in integrated circuits used in PCs? (1) Robert F. Furchgott (2) Horst L. Stormer (3) Jack Kilby (4) John a. Pople

Last Answer : Jack Kilby

Which of the following was used as circuitry for first generation of computers? (1) Vacuum tube (2) Transistors (3) Integrated circuits (4) Microprocessors

Description : Which of the following was used as circuitry for first generation of computers? (1) Vacuum tube (2) Transistors (3) Integrated circuits (4) Microprocessors

Last Answer : Vacuum tube

Virus in a computer is a (1) Chemical that attacks silicon (2) Micro-organism that disturbs integrated circuits (3) Programme that damages the computer software (4) None of the above

Description : Virus in a computer is a (1) Chemical that attacks silicon (2) Micro-organism that disturbs integrated circuits (3) Programme that damages the computer software (4) None of the above

Last Answer : Programme that damages the computer software

A computer virus is (1) a chemical that attacks silicon. (2) a micro-organism that destroys integrated circuits. (3) data that the computer fails to handle. (4) a special kind of computer programme.

Description : A computer virus is (1) a chemical that attacks silicon. (2) a micro-organism that destroys integrated circuits. (3) data that the computer fails to handle. (4) a special kind of computer programme.

Last Answer :  a special kind of computer programme.

For integrated circuits photolithography is used to remove areas of a protective layer so that...

Description : For integrated circuits photolithography is used to remove areas of a protective layer so that (a) Chemical reactions can take place in exposed areas. (b) Chemical reactions can take place in ... can take place in transparent areas. (d) Chemical reactions can take place in translucent areas.

Last Answer : Chemical reactions can take place in exposed areas

There is a pressing need for using renewable energy sources in India.' Justify the statement. -SST 10th

Description : There is a pressing need for using renewable energy sources in India.' Justify the statement. -SST 10th

Last Answer : 1. Energy, the basic requirement of our everyday lives as well as the national economy constitutes the necessity of this input in every aspect. 2. The developmental plans since ... caused serious environmental problems which strongly points towards the need to use renewable sources of energy.

There is a pressing need for using renewable energy sources in India.' Justify the statement. -SST 10th

Description : There is a pressing need for using renewable energy sources in India.' Justify the statement. -SST 10th

Last Answer : Need to use Renewable Energy Sources are: (i) The growing consumption of energy has resulted in the country becoming increasingly dependent on fossil fuels such as coal, oil and gas. (ii) ... to use renewable energy sources like solar energy, wind, tide, biomass and energy from waste material.

What are the two common methods for obtaining integrated capacitors?

Description : What are the two common methods for obtaining integrated capacitors?

Last Answer : • Monolithic junction capacitor • Thin-flim capacitor

Strong interference from one particular station can be eliminated by the use of A. noise limiters B. squelch circuits C. negative feedback D. wave traps in the antenna circuitry

Description : Strong interference from one particular station can be eliminated by the use of A. noise limiters B. squelch circuits C. negative feedback D. wave traps in the antenna circuitry

Last Answer : D. wave traps in the antenna circuitry

Three identical circuits having 10 dB signal noise-to-noise ratio each are connected in tandem with each other, what is the overall S/N? A. 5.23 dB B. 14.77dB C. 30 dB D. 40 dB

Description : Three identical circuits having 10 dB signal noise-to-noise ratio each are connected in tandem with each other, what is the overall S/N? A. 5.23 dB B. 14.77dB C. 30 dB D. 40 dB

Last Answer : A. 5.23 dB

And ITU-T specification code that deals with the telephone circuits. A. X series B. T series C. V series D. I series

Description : And ITU-T specification code that deals with the telephone circuits. A. X series B. T series C. V series D. I series

Last Answer : C. V series

______ is a term in the test language for noise testing in telephone circuits that means a one-syllable word consisting of a consonant, a vowel, and another consonant. A. Logatom B. Nosfer C. Ore D. Belcore

Description : ______ is a term in the test language for noise testing in telephone circuits that means a one-syllable word consisting of a consonant, a vowel, and another consonant. A. Logatom B. Nosfer C. Ore D. Belcore

Last Answer : A. Logatom

Three telephone circuits, each having an S/N ratio of 44 dB, are connected in tandem. What is the overall S/N ratio? A. 44 dB B. 39.2 dB C. 41 dB D. 43.52 dB

Description : Three telephone circuits, each having an S/N ratio of 44 dB, are connected in tandem. What is the overall S/N ratio? A. 44 dB B. 39.2 dB C. 41 dB D. 43.52 dB

Last Answer : B. 39.2 dB

One of the following is a possible cause for a slow drift of frequency in a self-exited transmitter oscillator circuits resulting to a poor frequency stability. A. Loose shielding B. Heating of capacitor in the oscillator C. Poor soldered connections D. Faulty capacitor, resistor, tubes or resistors

Description : One of the following is a possible cause for a slow drift of frequency in a self-exited transmitter oscillator circuits resulting to a poor frequency stability. A. Loose shielding B. ... capacitor in the oscillator C. Poor soldered connections D. Faulty capacitor, resistor, tubes or resistors

Last Answer : B. Heating of capacitor in the oscillator

What do you call the phenomenon in digital circuits that describe the duration of time a digital signal passes a circuit? A. Transmission time B. Elapsed time C. Propagation delay D. Travel delay

Description : What do you call the phenomenon in digital circuits that describe the duration of time a digital signal passes a circuit? A. Transmission time B. Elapsed time C. Propagation delay D. Travel delay

Last Answer : C. Propagation delay

One of the following is a possible cause of an abrupt frequency variation in a self exited transmitter oscillator circuits resulting to a poor frequency stability to hold a constant frequency oscillation. A. Heating and expansion of oscillator coil B. DC and RF ac heating of resistors which cause change in values C. Heating of capacitor in the oscillatorD. Loose connections in the oscillator, amplifier, or antenna circuits.

Description : One of the following is a possible cause of an abrupt frequency variation in a self exited transmitter oscillator circuits resulting to a poor frequency stability to hold a constant frequency ... capacitor in the oscillator D. Loose connections in the oscillator, amplifier, or antenna circuits.

Last Answer : D. Loose connections in the oscillator, amplifier, or antenna circuits.

Which of the following is one of the possible causes for a slow drift of frequency in a self exited transmitter oscillator circuits resulting to a poor frequency stability? A. Poor soldered connections B. Power supply voltage changes C. Loose connections in the oscillator, amplifier, or antenna circuits D. DC and RF heating of resistors, causing then to change values.

Description : Which of the following is one of the possible causes for a slow drift of frequency in a self exited transmitter oscillator circuits resulting to a poor frequency stability? A. Poor soldered connections ... , or antenna circuits D. DC and RF heating of resistors, causing then to change values.

Last Answer : D. DC and RF heating of resistors, causing then to change values.

Synchronous modems cost more than asynchronous modem because _______. A. They have larger bandwidth B. They are larger C. The production volume is larger D. They have clock recovery circuits

Description : Synchronous modems cost more than asynchronous modem because _______. A. They have larger bandwidth B. They are larger C. The production volume is larger D. They have clock recovery circuits

Last Answer : D. They have clock recovery circuits

What are the requirements for biasing circuits?

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.

What are the types of filter circuits?

Description : What are the types of filter circuits?

Last Answer : The types of filter circuits are Inductor filter Capacitor filter LC filter CLC or π filter

In the phase shift method, How many circuits must be balanced? A. None of these B. 1 C. 4 D. 2

Description : In the phase shift method, How many circuits must be balanced? A. None of these B. 1 C. 4 D. 2

Last Answer : D. 2

What are the areas of application of non-linear op- amp circuits?

Description : What are the areas of application of non-linear op- amp circuits?

Last Answer : 1. Industrial instrumentation 2. Communication 3. Signal processing

Define input offset current. State the reasons for the offset currents at the input of the op-amp.

Description : Define input offset current. State the reasons for the offset currents at the input of the op-amp.

Last Answer : The difference between the bias currents at the input terminals of the op-amp is called as input offset current. The input terminals conduct a small value of dc current to bias the input transistors.Since the input transistors cannot be made identical,there exists a difference in bias currents.

Indicate which of the following reasons for using metal counterpoise with antennas is false. A. Impossibly of a good ground connection B. Protection of personnel working underneath C. Provision of an earth for the antenna D. Rockiness of the ground itself

Description : Indicate which of the following reasons for using metal counterpoise with antennas is false. A. Impossibly of a good ground connection B. Protection of personnel working underneath C. Provision of an earth for the antenna D. Rockiness of the ground itself

Last Answer : B. Protection of personnel working underneath

The main power sources for a satellite are A. batteries B. solar cells C. fuel cells D. thermoelectric generators 58. The maximum height of an ellip

Description : The main power sources for a satellite are A. batteries B. solar cells C. fuel cells D. thermoelectric generators 58. The maximum height of an ellip

Last Answer : B. solar cells

Sources of impulse noise induced in communication channels. A. Erroneous digital coding bit caused by an error on a transmission facility B. Transients due to relay operation C. Crosstalk from dc signaling systems D. All of these

Description : Sources of impulse noise induced in communication channels. A. Erroneous digital coding bit caused by an error on a transmission facility B. Transients due to relay operation C. Crosstalk from dc signaling systems D. All of these

Last Answer : D. All of these

Indicate the noise whose sources are in category different from that of the other three? A. Solar noise B. Cosmic noise C. Atmospheric noise D. Galactic noise

Description : Indicate the noise whose sources are in category different from that of the other three? A. Solar noise B. Cosmic noise C. Atmospheric noise D. Galactic noise

Last Answer : C. Atmospheric noise