Digital to Analog Converter (DAC)
Last Answer : Digital to Analog Converter (DAC) Digital means binary (1 0) and 1 and 0 may be true and false or on and off or high and low. Analog means continuous signal or information ... wave. Phase Shift Keying (PSK) is transmit digital data by changing the phase of carrier wave.
Show More
202 views
1 answer
asked
Aug 9, 2017
by
anonymous
.jpg)
Compare analog and digital instruments .
Last Answer : Parameter Analog Instrument Digital Instrument 1 Principle The instrument that displays analog signals is called as on analog instrument. The instrument that displays ... , etc. Logical analyzer, signature analyzer, computers, microprocessor based instruments, etc.
Show More
185 views
1 answer
asked
Aug 21, 2019
by
anonymous

Compare analog CRO with digital storage oscilloscope (DSO).
Last Answer : Analog CRO DSO 1 High bandwidth Less bandwidth due to aliasing effect 2 High writing speed about 15 GHz Limited speed 3 No memory Has memory ... Less storage time. The digital oscilloscope is capable of an infinite storage time, using its digital memory.
Show More
95 views
1 answer
asked
Aug 21, 2019
by
anonymous

State two advantages of digital system over analog system.
Last Answer : 1. They are less susceptible to noise. 2. The effect of fluctuation in the characteristic of the components, ageing of components etc. is very small in digital circuits. 3. Digital circuits have capability of memory which makes them suitable for computers. 4. More accurate.
Show More
130 views
1 answer
asked
Jul 31, 2019
by
anonymous

Compare analog & digital multimeter.
Last Answer : Analog multi-meter DMM Power supply is not required Power supply is required Less suffered from electric noise More suffered from electric Noise Less isolation problems. More ... visual indication Visual indication is not that much better. Less cost More cost
Show More
78 views
2 answers
asked
Sep 5, 2018
by
anonymous

Can you convert analog signal to digital?
Show More
102 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between analog and digital electronics?
Show More
86 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is digital and analog electronics?
Show More
68 views
0 answers
asked
Mar 10, 2018
by
anonymous

Flash or Parallel ADC
Last Answer : Flash or Parallel ADC
Show More
127 views
1 answer
asked
Aug 9, 2017
by
anonymous

Which is the fastest type of analogue to digital converter?
Last Answer : Flash converter is the fastest type of analogue to digital converter (ADC).
Show More
88 views
1 answer
asked
May 4, 2018
by
anonymous

Define ADC and DAC. Write two applications of each.
Last Answer : ADC An analog to digital converter (ADC), converts any analog signal into quantifiable data, which makes it easier to process and store, as well as more accurate and reliable by ... signal, hence any analog circuit can work with digital system Application - Microcontroller, washing machine
Show More
194 views
2 answers
asked
Aug 15, 2019
by
anonymous

Which type of ADC gives high resolution?
Last Answer : Sigma Delta, successive approximation and integrating type analogue to digital converter gives very high resolution but they have slower speed.
Show More
109 views
1 answer
asked
May 4, 2018
by
anonymous

The ADC having highest conversion speed is (A) Dual-slope ADC (B) Successive approximation ADC (C) Flash ADC (D) Servo ADC
Last Answer : The ADC having highest conVersion speed is Flash ADC
Show More
126 views
1 answer
asked
Apr 28, 2018
by
anonymous

The number of comparators required in a 4 bit comparator type ADC is (A) 16 (B) 15 (C) 17 (D) 12
Last Answer : The number of comparators required in a 4 bit comparator type ADC is 15
Show More
456 views
1 answer
asked
Apr 28, 2018
by
anonymous

Last Answer : ADC-Amplifier interface: In most data acquisition system analog to digital converter (ADC) is interfaced with the amplifier. There are different interface architectural schemes. Operational ... . The interaction between analog to digital converter and amplifier affects the system performance.
Show More
121 views
1 answer
asked
Mar 2, 2018
by
anonymous

Describe the various blocks and their functions in pipelined ADC architecture.
Show More
85 views
0 answers
asked
Mar 2, 2018
by
anonymous

Integrating or Dual Slope ADC
Last Answer : Operation: At the start of measurement the counter is reset to zero. So output of flip-flop is zero. This is applied to the switch control. The switch control now connects input voltage (Vin) to ... Then the data from counter is passed to the digital readout for display purpose.
Show More
343 views
3 answers
asked
Aug 9, 2017
by
anonymous

In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in (A) voltage notching (B) harmonic distortion (C) voltage sag (D) voltage swell
Last Answer : In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in voltage notching
Show More
174 views
1 answer
asked
Apr 28, 2018
by
anonymous

Define Analog Transducer and give examples of it
Last Answer : Analog Transducer: An analog transducer is a device that converts the input signal into a continuous DC signal of voltage or current. Examples: * Strain gauge * L.V.D.T * Thermocouple * Thermistor
Show More
114 views
1 answer
asked
May 2, 2020
by
anonymous

Analog signal
Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
Show More
100 views
1 answer
asked
Jul 6, 2019
by
anonymous

Explain the essential toques in analog type measuring instruments.
Last Answer : List of torques in analog instruments: 1. Deflecting torque 2. Controlling / Restraining torque. 3. Damping torque. 1. Deflecting torque: To create deflection proportional to ... the speed higher will be the damping torque bringing the pointer to the equilibrium position quickly.
Show More
406 views
1 answer
asked
Sep 6, 2018
by
anonymous

The standard for long distance analog signal transmission in process control industry is (A) 4-20 mV (B) 0-20 mA (C) 4-20 mA (D) 0-5 V
Last Answer : The standard for long distance analog signal transmission in process control industry is 4-20 mA
Show More
2.6k views
1 answer
asked
Apr 26, 2018
by
anonymous

What is an example of an analog device?
Show More
69 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is an analog voltage?
Show More
62 views
0 answers
asked
Mar 10, 2018
by
anonymous

What are the analog components?
Show More
71 views
0 answers
asked
Mar 10, 2018
by
anonymous
.jpg)
What is analog in terms of electronics?
Show More
631 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the analog circuit?
Show More
64 views
0 answers
asked
Mar 10, 2018
by
anonymous

How to Build a Static 3 Phase Converter
Last Answer : How to Build a Static 3 Phase Converter Static 3 phase converters enable offices and residents to conserve energy efficiently. In fact, electricity is available in 3 power phases, which enables ... converter and the necessary appliances that are needed in building the main and the remote appliances.
Show More
6 views
1 answer
asked
May 12, 2021
by
anonymous

Draw circuit diagram of symmetrical configuration of bridge converter.
Last Answer : circuit diagram of symmetrical configuration of bridge converter
Show More
83 views
1 answer
asked
May 21, 2020
by
anonymous

Give the operation of single phase full wave bridge controlled converter with RL load with a neat diagram. Also draw its waveform.
Last Answer : Single phase fully control bridge converter with RL load: 1. During positive half cycle of input voltage, T1 and T2 are forward biased and during negative half cycle, T3 and T4 are forward biased. Therefore, T1-T2 ... cycle till the firing of next pair of SCRs as shown in the waveform.
Show More
898 views
1 answer
asked
Jul 25, 2019
by
anonymous
.jpg)
Give the effect of source impedance on converter operation.
Last Answer : Effect of source impedance on converter operation: For single-phase fully controlled bridge converter, the SCRs are triggered in pairs alternately. During positive half-cycle of input, SCRs T1 and T2 are triggered ... increases and as a consequence, the output dc voltage decreases.
Show More
916 views
1 answer
asked
Jul 25, 2019
by
anonymous

Draw a neat diagram of 1Ф half wave controlled converter with RL load. Give its operation.
Last Answer : Single phase fully controlled half wave converter: The circuit diagram of single-phase half-wave controlled rectifier with RL load and without freewheeling diode is shown in Fig. (a). The SCR T is ... , when again pulse is applied, the SCR is turned on & the above cycle is repeated.
Show More
3.0k views
2 answers
asked
Jul 25, 2019
by
anonymous

The percent resolution of an 8 -bit D/A converter is
Last Answer : The percent resolution of an 8 -bit D/A converter is 0.392
Show More
201 views
1 answer
asked
May 3, 2018
by
anonymous
.jpg)
A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is
Last Answer : Please show the solution for this question
Show More
522 views
2 answers
asked
Apr 29, 2018
by
anonymous

The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a firing delay angle, α and flux, Φ (A) directly proportional to α and Φ (B) ... proportional to α and inversely proportional to Φ (D) directly proportional to Φ and inversely proportional to α
Last Answer : The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a firing delay angle, α and flux, Φ directly proportional to α and inversely proportional to Φ
Show More
150 views
1 answer
asked
Apr 28, 2018
by
anonymous
.jpg)
A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is (A) 4.5 V (B) 6.75 V (C) 9 V (D) 13.5 V
Last Answer : A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is 9 V
Show More
184 views
1 answer
asked
Apr 28, 2018
by
anonymous

In a 230 V, 50 Hz single-phase SCR bridge converter operating at a firing delay angle, α and with large R-L load, the input source current is (A) sinusoidal current (B) constant dc current (C) continuous rectangular pulses (D) alternating rectangular pulses
Last Answer : In a 230 V, 50 Hz single-phase SCR bridge converter operating at a firing delay angle, α and with large R-L load, the input source current is alternating rectangular pulses
Show More
179 views
1 answer
asked
Apr 28, 2018
by
anonymous

In voltage source converter based HVDC transmission system the active power is controlled by changing (A) phase angle of the converter ac input voltage (B) supply frequency of the converter ac input voltage (C) magnitude of the converter ac input voltage (D) DC voltage at the inverter terminals
Last Answer : In voltage source converter based HVDC transmission system the active power is controlled by changing phase angle of the converter ac input voltage
Show More
136 views
1 answer
asked
Apr 28, 2018
by
anonymous
.jpg)
Last Answer : A rotory converter can also be run as a synchronous motor.
Show More
78 views
1 answer
asked
Mar 20, 2018
by
anonymous

Describe the gate circuit for a single phase full converter.
Show More
71 views
0 answers
asked
Mar 11, 2018
by
anonymous

Why the power factor of semiconverter is better than full converter?
Last Answer : Power factor of semiconverter is better than full converter
Show More
2.9k views
1 answer
asked
Mar 8, 2018
by
anonymous

Explain buck or step down converter and draw its waveforms.
Last Answer : Buck converter or Step down converter: Buck converter is a step-down converter. The buck converter step-down the output voltage and step up the output current. Buck converter is a DC to DC converter. ... load. The output voltage is controlled by controlling on period and off period.
Show More
144 views
1 answer
asked
Feb 12, 2018
by
anonymous
.jpg)
Explain the operation of full bridge converters with their different operating modes. State its advantages and disadvantages.
Last Answer : Full bridge converter: Full bridge converter provides isolation between input and output. Full bridge converter is used for step up or step down the input voltage. Full bridge converter consists of four power semiconductor ... Require filter on both input and output.
Show More
258 views
1 answer
asked
Feb 12, 2018
by
anonymous

single phase full converter
Last Answer : single phase full converter
Show More
122 views
1 answer
asked
Nov 16, 2017
by
anonymous

Explain flyback converter and draw its waveforms.
Last Answer : Flyback converter: A flyback converter is used for getting DC output and for isolating input mains and output voltage. A flyback converter is like a buck-boost converter with input and output isolated. There ... during the off time transformer transfer the energy to load.
Show More
178 views
1 answer
asked
Sep 18, 2017
by
anonymous

Explain buck boost converter and draw its waveforms.
Last Answer : Buck-Boost converter: The buck-boost converter consists of a transistor for switching purpose, diode, inductor, and capacitor. Buck-boost converter is the combination of the buck converter and boost ... In buck-boost converter both input current and diode current are discontinuous.
Show More
350 views
1 answer
asked
Sep 18, 2017
by
anonymous

what is Cuk converter and draw its waveforms.
Last Answer : Cuk converter: Cuk converter is the series combination of boost and the buck converter. The Cuk converter is the DC to DC converter whose output voltage is greater than or less the than the input ... controlling the switch duty cycle the output voltage can be controlled.
Show More
503 views
1 answer
asked
Aug 6, 2017
by
anonymous

Digital Multimeter (DMM)
Last Answer : Digital Multimeter (DMM) Digital multimeter is the combination of Voltmeter (for measuring voltage) Ammeter (for measuring current) and Ohmmeter (for measuring resistance ... ;in the range of mega ohms.VISIT AT YOUTUBEBUY BOOKS AT EEE STORE
Show More
123 views
1 answer
asked
Aug 9, 2017
by
anonymous

An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be: (1) 1.05V (2) 6.74V (3) 10.10V (4) 5.15V
Last Answer : An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be: 6.74V.
Show More
771 views
1 answer
asked
Apr 9, 2018
by
anonymous

Tecchies! What is the least expensive way to download analog video to my computer and cut a dvd? Ditto vinyl and audiotape to CD?
Last Answer : answer:hmmmmm .. There are older video cards that have S-video connections (the kind used for vcrs and dvd players before HDMI), that can probably be used as an input device to capture video ... watch?v=TEJdG2vTuWE http://www.digitaldjtips.com/2010/12/rip-tunes-vinyl-mp3/ Never done either though.
Show More
2 views
1 answer
asked
Feb 28
by
anonymous
