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What is the function of a coupling capacitor?
A coupling capacitor is used to block the flow of direct current while allowing alternating or signal currents to pass, hence mainly used for joining two stages in radio and amplifier circuits.Also known as blocking capacitor or stopping capacitor. They are also used in substations within a "wave trap" where communication is done by a.c. power line and any d.c. signals need to be attenuated or blocked.
What electronic circuit use a small current to control a large current?
current amplifier
What is difference between capacitor and super capacitor?
Super capacitor have high capacitance compare to normal capacitor. Super capacitor use two layer of dielectric medium whereas in normal capacitor single medium dielectric. Because of this super capacitor use as alternate power source for RTC when computer is off.
The use of swamping resistor in differential amplifier?
the use of swamping resisters in amplifier is in order to protect the amplifier from high temperatures
How one can know that what kind of capacitor to use in circuit?
paper capacitor
What is the purpose of a coupling capacitor?
A coupling capacitor does the same work as its name suggests, that is coupling one stage of the electronic circuit with another. It does that without passing the DC bias voltages between stages so that these stages are not affected by each other.To block or avoid the flow of D.C and to allow only A.C
Loading effect in RC coupled amplifier?
Loading of Rc coupled amplifier occurs, if you doesnt use coupling capacitors...... If avoiding input coupling capacitor the amplifier will load the function generator.. For more details go to http://mycircuits9.blogspot.com
Why you need RC coupled amplifier?
Rc coupled amplifier is used where good frequency response required. in case of multistage amplification system,To prevent resistance of one stage to come in parallel with next stage, it is used. we use capacitor as a coupling element between two consecutive stages.
What is the use of coupling capacitor?
It allows AC current to go through, but blocks DC current.
Resistor and capacitor built circuit for alarm switch?
I wanna use resistor , capacitor and amplifier 7173 for switch alarm circuit. How can i choice resistor and capacitor value because i wanna use 24V DC.
Why capacitor is used in circuit board?
use as coupling in some circuts and and as a filter in rectifier circuit. use as DC current blocking.
Do you need a drum amplifier for Alesis DM6 Electronic Drum?
you need an amplifier for any electronic drumset unless u wanna use earphones
What is the function of a coupling capacitor?
A coupling capacitor is used to block the flow of direct current while allowing alternating or signal currents to pass, hence mainly used for joining two stages in radio and amplifier circuits.Also known as blocking capacitor or stopping capacitor. They are also used in substations within a "wave trap" where communication is done by a.c. power line and any d.c. signals need to be attenuated or blocked.
What are the steps behind installing a car audio capacitor?
First, the capacitor must be charged. Use a voltmeter, and when it reaches 12 volts, the capacitor is charged. The capacitor should then be installed near the car audio amplifier. Keep the negative wire attached to the battery. Then, a ground wire from the negative post on the capacitor to the car's chassis on the chassis's bare metal ground point. Next, the power wire needs to be disconnected from the amplifier's power input. Connect the wire to the positive post on the capacitor. A new power wire needs to be connected from the capacitor's positive post to the amplifier's power input. Install a 16 gauge wire from the capacitor's remote turn-on post to the amplifier's remote input. Then disconnect the negative wire from the battery.
Is paper capacitor use in transistor amplifier?
It can be, but may not be required. Capacitors are used for biasing purposes, to remove DC from inputs, and for filtering in amplifier circuits (just to name a few).
Why you do not use capacitor in a transistor as switch?
The capacitor is there to block any dc voltage that might be applied to the input terminal, which could cause damage or upset the biassing if it was allowed through to the base.
How many type of coupling?
For most parts of electronics is concerned,there are two types of coupling in any alternating current source (AC) circuits: 1)capacitive coupling(Also known as the AC coupling) 2)Inductive Coupling(Also known as the Transformer coupling) Two circuits of different amplification factors and different hybrid parameter values can be merged or coupled by means of a capacitor (capacitive coupling) or an inductor or a transformer (inductive coupling).There are coupling coefficients involved with the transformer.But Capacitor blocks DC and allows AC most of the time.We use ceramic capacitors for this purpose.However never replace the ceramic capacitor with an electrolytic capacitor .Electrolytic capacitors are strictly polar while ceramic capacitors are not.Electrolytic capacitors are used as bypass capacitors.They bypass the current from the resistances that are parallel to them during high frequencies.This is so because the reactance of the capacitor is low at such high frequencies.Also current takes the least resistance path.As reactance gives the AC equivalent of the resistance,current flows into the capacitor while resistance and capacitors are connected end-end and thus the current reaches the other node(its like a diversion or a detour or a shortcut on the road for vehicles-analogously it is the simplest path a current can follow on the conductor
