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The wording are confusing an op-amp is an op-amp a comparator is another animal. an op-amp can be used as square wave generator by overdriving it but the results are not desirable. However a comparator will be a switch on-off at the set level.
Schottky diodes are often used for RF radio frequency applications as a mixer or detector diode. Another common application for the Schottky diode is in power applications as a rectifier.
Two types used at microwave frequencies are gunn and PIN diodes.
it is a mechanical comparator with magnification in range of 300 to 5000
Diodes can be used in the following domains:In rectifier circuitsin display circuitsas switches
Zener diodes are a form of semiconductor diode that are widely used in electronics circuits as voltage references. Zener diodes provide a stable and defined voltage and as a result Zener diode circuits are often used in power supplies when regulated outputs are needed. Zener diodes are cheap and they are also easy to use and as a result they are used in many applications and many circuits.
It is a semiconductor and therefore can be used to make diodes and transistors for digital circuits which are robust mechanically and electrically. Silicon is inexpensive and widely available, and there is now a well developed industry in handling and manipulating it.
com[arator is apricision instrument it is used to compare the actual size of workpeice there r 4 types of comparator 1: mechanical comparator 2:electrical comparator 3:optical comparator 4:penumatic comparator
diodes are commonly used for rectification
No. Diodes are diodes. One diode can be USED as a half-wave rectifier. Four diodes can be used to build a bridge rectifier.
Diodes
Today, all diodes are semiconductor diodes. However, the first diodes were piles of washers of different metals that together made a diode, and specially constructed vacuum tubes. There may still be markets for other types of diodes in very high voltage circuits, but you or i are unlikely to come in contact with them.
Solid state electronics (diodes and transistors primarily)
The common name is electronics or microelectronics. These resistors, diodes, capacitors, and integrated circuits (chips) are typically mounted on cards or a "motherboard."
Resistors, capacitors, inductors, transformers, diodes, transistors, integrated circuits, power sources are the basic building blocks.
Schmitt Trigger
A comparator is used to compare two things and state whether they are equal, or one is greater than or less than the other.