applications of Schottky diode.
Last Answer : 1) To rectify very high frequency signals. 2) As a switching device in digital computers. 3) In clipping & and clamping circuits. 4) In low power schottky TTL circuits. 5) In mixing and detecting circuits used in communication systems. 6) In low voltage power supply circuits.
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60 views
1 answer
asked
Aug 19, 2019
by
anonymous
What is the use of laser diode?
Last Answer : laser diodes are use in telecommunication, rangefinders, barcode readers etc.
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102 views
1 answer
asked
Dec 9, 2017
by
anonymous
What is the use of fast recovery diode?
Last Answer : Fast recovery diode are used in high frequency rectification. Fast recovery diode also used for freewheeling. Fast recovery diode also used for DC to DC converter.
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98 views
1 answer
asked
Dec 9, 2017
by
anonymous
Last Answer : It is semiconductor diode with a low forward voltage drop and very high switching action
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80 views
1 answer
asked
Sep 13, 2017
by
anonymous
What is the use of diode in the circuit?
Last Answer : Diode is a device which allows the flow of current in one direction and blocks the current in opposite direction.
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125 views
1 answer
asked
Mar 22, 2018
by
anonymous
Write the function of freewheeling diode.
Last Answer : Function of Freewheeling Diode (FWD): a) Freewheeling diode is used across inductive loads such as coils, dc motor armature etc. to prevent voltage spikes across these loads when the switching ... current is shifted from switching device, it is turned off easily and regain its blocking ability.
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123 views
1 answer
asked
Oct 13, 2019
by
anonymous
Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?
Last Answer : Parasitic Diode: The parasitic diode is in between drain and source. The MOSFET structure itself contains parasitic diode or body drain diode. This parasitic diode allows the reverse flow of current when the ... of MOSFET as a BJT collector. Parasitic BJT operates in the cut-off region.
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2.6k views
1 answer
asked
Feb 6, 2018
by
anonymous
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Justify the statement. Antiparallel diode is connected across MOSFET.
Last Answer : In MOSFET current is flow from drain to source but when the load is inductive the current may flow in opposite direction. To avoid the opposite flow of current and to protect MOSFET the antiparallel diode is connected across MOSFET.
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161 views
1 answer
asked
Feb 2, 2018
by
anonymous
What would cause a diode to fail?
Last Answer : Supply voltage beyond its limit
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127 views
1 answer
asked
Dec 9, 2017
by
anonymous
Can we use a zener diode as a rectifier?
Last Answer : Yes we can use zener diode as rectifier but it have limitations better to use normal diode. Zener diode have some different applications.
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2.6k views
1 answer
asked
Dec 9, 2017
by
anonymous
What does a Shockley diode do?
Last Answer : It is diode have low forward voltage drop and very high switching action
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92 views
1 answer
asked
Dec 9, 2017
by
anonymous
What is the use of Tunnel diode ?
Last Answer : Tunnel diode is use in frequency converters and detectors, ultra high speed switching, amplifiers, etc.
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150 views
1 answer
asked
Dec 9, 2017
by
anonymous
Last Answer : PN junction of zener diode is heavily doped than ordinary diode. For the occurrence of Zener effect the zener diode is heavily doped. If the zener diode is not heavily doped then Zener effect ... breakdown voltage is sharp. If the diode is lightly doped the diode will have higher breakdown voltage.
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263 views
1 answer
asked
Sep 13, 2017
by
anonymous
Last Answer : Yes dynamic impedance of zener diode vary.
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776 views
1 answer
asked
Sep 13, 2017
by
anonymous
Last Answer : Yes, Zener diode is a voltage regulator. Zener diode maintain constant reverse Biased Voltage. If the current is varying then also zener diode maintain constant voltage.
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109 views
1 answer
asked
Sep 13, 2017
by
anonymous
Last Answer : Yes it can be, and it will act like a normal PN junction diode. The characteristic of ZENER diode is exactly same as PN junction diode in forward Bias.
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151 views
1 answer
asked
Sep 13, 2017
by
anonymous
Which device use to convert DC to AC?
Last Answer : Rectifier
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7.4k views
18 answers
asked
Dec 9, 2017
by
anonymous
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Suggest the diode material suitable to rectify 0.5V AC signal.
Last Answer : The diode material suitable to rectify 0.5V AC signal is silicon
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194 views
1 answer
asked
May 16, 2020
by
anonymous
Draw symbols of zener diode and LED.
Last Answer : Symbol of zener diode : Symbol of LED
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426 views
1 answer
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May 16, 2020
by
anonymous
57 views
0 answers
asked
Feb 21, 2020
by
anonymous
While studying the V-I characteristics of a zener diode, there are two different values of resistors connected in series with it. In case of the forward characteristics, a ~70 ohm resistor is connected ... ~510 ohm resistor. What is the reason behind it ? Is the difference really necessary ?
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117 views
0 answers
Diode VI characteristics
Last Answer : Diode VI characteristics
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228 views
1 answer
asked
Oct 19, 2019
by
anonymous
applications of P-N junction diode
Last Answer : 1.It is used as rectifier in DC power supply 2.It is used as free wheel diode across relay or inductive load 3.It is used as switch in logic circuits used in computers 4.It is used as detector in demodulation circuits of communication receiver
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72 views
1 answer
asked
Aug 19, 2019
by
anonymous
Avalanche diode
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%; }
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61 views
1 answer
asked
Jul 6, 2019
by
anonymous
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99 views
0 answers
asked
Oct 25, 2018
by
Sai
96 views
0 answers
asked
Sep 24, 2018
by
anonymous
State any two applications of zener diode.
Last Answer : Applications of Zener Diode: i) As a voltage regulator. ii) As a fixed reference voltage provider in transistor biasing circuits. iii) As peak clippers or limiters in wave shaping circuits.
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159 views
1 answer
asked
Sep 5, 2018
by
anonymous
List specification of zener diode
Last Answer : 1. Zener Voltage 2. Maximum Zener current 3. Power dissipation 4. Operating temperature 5. Dynamic Resistance
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92 views
1 answer
asked
Sep 5, 2018
by
anonymous
Define ripple factor and PIV of diode.
Last Answer : 1. Ripple factor: It is define as ratio of R.M.S. value of AC component to the DC component in the output. 2. PIV : It is maximum reverse voltage that diode can withstand without destroying junction.
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114 views
1 answer
asked
Sep 5, 2018
by
anonymous
Explain the operating principle of LASER and list applications of LASER diode.
Last Answer : A basic construction of Laser diode is as shown . A PN junction is formed by two layers of doped gallium arsenide. There is highly reflective surface at one end of PN junction and ... 6. laser scanning and light beam illumination. 7. Military applications 8. Medical surgery 9.Diamond cutting
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284 views
1 answer
asked
Sep 5, 2018
by
anonymous
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω
Last Answer : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω
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2.7k views
1 answer
asked
Jun 18, 2018
by
anonymous
A diode in which the change in reverse bias voltage varies the capacitance is called as A) Varactor diode B) Switching diode C) Tunnel diode D) Zener-diode
Last Answer : A diode in which the change in reverse bias voltage varies the capacitance is called as Varactor diode
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157 views
1 answer
asked
Jun 18, 2018
by
anonymous
Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
Last Answer : Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
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203 views
1 answer
asked
Apr 28, 2018
by
anonymous
What is a diode clamper circuit?
Last Answer : Tha faction of diode
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143 views
1 answer
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Mar 22, 2018
by
anonymous
Which side of the diode is positive?
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80 views
0 answers
asked
Mar 15, 2018
by
anonymous
How can you identify a zener diode?
Last Answer : It conducts current in either direction.
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238 views
2 answers
asked
Mar 15, 2018
by
anonymous
How do we test a diode?
Last Answer : test
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73 views
1 answer
asked
Mar 15, 2018
by
anonymous
Write short notes on diode.
Last Answer : Diode is made from semiconductor material like silicon or germanium. Diode may use as rectifier which convert AC to DC. It is a electronic component. It is two terminal device, one is anode and second is ... in one direction. Diode is made from P-type and N-type material. Diode have a PN junction.
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119 views
1 answer
asked
Mar 9, 2018
by
anonymous
what is the minimum voltage required to turn on a diode ?
Last Answer : 0.7 v sil and 0.3 v for gr
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158 views
1 answer
asked
Dec 28, 2017
by
anonymous
How much time a diode takes to switch ON in forward bias condition.
Last Answer : t=0 sec.
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139 views
1 answer
asked
Dec 25, 2017
by
Nitin
what is diode ?
Last Answer : Semiconductor device. That allows flow of current in one direction
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178 views
2 answers
asked
Dec 25, 2017
by
anonymous
Last Answer : In Reverse bias of diode when the cathode is connected to positive and anode is connected to negative very small current flows this very small current is known as leakage current of diode.
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87 views
1 answer
asked
Sep 27, 2017
by
anonymous
Last Answer : Diode conducts when the anode voltage is greater than the cathode voltage.
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83 views
1 answer
asked
Sep 21, 2017
by
anonymous
Last Answer : Diode have two terminals.
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116 views
4 answers
asked
Sep 21, 2017
by
anonymous
What is the use of a thyristor in a circuit?
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2.9k views
0 answers
asked
Mar 19, 2018
by
anonymous
What is the use of SCR?
Last Answer : SCR are use in lamp dimming, power regulators, motor control, rectifications of high power AC, control of welding machines and also use as switch these are some uses of silicon controlled rectifier.
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92 views
1 answer
asked
Dec 9, 2017
by
anonymous
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What are the most important advantages of the Schottky barrier diode?
Last Answer : Lower forward resistance and low noise.
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5 views
1 answer
asked
Aug 19, 2021
by
anonymous
List applications of Schottky diode and Laser diode.
Last Answer : Application of Schottky diode: It is used in rectification of very high frequency signals. It is used in communication system circuits. It is used in AC to DC converters. It is used in Radar ... etc. It is used in welding. It is used as a light source in fibre optic communication.
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16 views
1 answer
asked
Mar 18, 2021
by
anonymous
Draw construction of Schottky diode and state it’s four applications.
Last Answer : Applications :- 1. RF mixer and detector diode: 2. Power rectifier 3. Voltage clamping 4. Stand alone photovoltaic systems in order to prevent batteries from discharging purpose for the solar panels at night 5. Rectifiers in power supplies.
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16 views
1 answer
asked
Mar 18, 2021
by
anonymous
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Describe working of schottky diode with neat construction
Last Answer : Applications: 1) RF mixer and Detector Diode. 2) Power Rectifier 3) Voltage Clamping 4) Stand-alone photovoltaic system in order to prevent batteries from discharging purpose for the ... . 7) Low Voltage Power Supply Circuits. 8) To rectify very high frequency signals.
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16 views
2 answers
asked
Mar 17, 2021
by
anonymous
