# Electronics **URL:** https://forumautomation.com/c/electronics/45.md [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) --- ## [About the Electronics category](https://forumautomation.com/t/about-the-electronics-category/7282)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0
(Replace this first paragraph with a brief description of your new category. This guidance will appear in the category selection area, so try to keep it below 200 characters.) Use the following paragraphs for a longer d… --- ## [Difference between Varistors and Thermistors](https://forumautomation.com/t/difference-between-varistors-and-thermistors/14504)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [October 15, 2026, 3:35pm UTC](https://forumautomation.com/t/difference-between-varistors-and-thermistors/14504 "2026-10-15T15:35:35Z")
Difference between Varistors and Thermistors Thermistors and varistors are important components used in electronic circuits, but they respond to different electrical conditions. Understanding their characteristics helps … --- ## [Why is holding or latching required for motor control?](https://forumautomation.com/t/why-is-holding-or-latching-required-for-motor-control/11256)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [June 21, 2023, 12:17pm UTC](https://forumautomation.com/t/why-is-holding-or-latching-required-for-motor-control/11256 "2023-06-21T12:17:38Z")
For motor control, latching (or) holding is often required to keep the motor in a certain position or to stop inappropriate movement. Here are several reasons for this: 1). Position maintenance 2). Energy Conservati… --- ## [12V Battery Charger Circuit](https://forumautomation.com/t/12v-battery-charger-circuit/14001)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [April 9, 2026, 4:11am UTC](https://forumautomation.com/t/12v-battery-charger-circuit/14001 "2026-04-09T04:11:23Z")
Electric power lines do not behave like simple wires. They have four important properties that affect how electricity flows. Resistance (R) Resistance (R) is like friction in the wire. It slows down current and convert… --- ## [What is Switch De-bouncing?](https://forumautomation.com/t/what-is-switch-de-bouncing/13996)
**Author:** [@TSRS](https://forumautomation.com/u/TSRS)\ **Replies:** 0\ **Last updated:** [April 7, 2026, 1:15am UTC](https://forumautomation.com/t/what-is-switch-de-bouncing/13996 "2026-04-07T01:15:04Z")
What is Switch De-bouncing? When a mechanical switch is pressed, the transition from OFF to ON is not perfectly smooth. Because of the internal metal contacts, the signal briefly oscillates between ON and OFF for a few m… --- ## [How to set parameters for ABB ACS880 drive?](https://forumautomation.com/t/how-to-set-parameters-for-abb-acs880-drive/8602)
**Author:** [@ashlin](https://forumautomation.com/u/ashlin)\ **Replies:** 0\ **Last updated:** [September 12, 2020, 9:57am UTC](https://forumautomation.com/t/how-to-set-parameters-for-abb-acs880-drive/8602 "2020-09-12T09:57:38Z")
This drive has a new panel while compared to the previous version of ABB ACS800, this device also has a bigger LCD display. It also has a USB port so we can connect a PC to this. First press the local remote key to, do … --- ## [Difference Between Speed Sensor & Proximity Sensor](https://forumautomation.com/t/difference-between-speed-sensor-proximity-sensor/13335)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [June 20, 2025, 12:46pm UTC](https://forumautomation.com/t/difference-between-speed-sensor-proximity-sensor/13335 "2025-06-20T12:46:19Z")
\[color=#ff0000\] Difference Between Speed Sensor and Proximity Sensor\[/color\] Parameters Speed Sensor Proximity Sensor Purpose Determines the speed of a rotating (or) moving object. Determines whether an object… --- ## [Difference between Buck and Boost Converters](https://forumautomation.com/t/difference-between-buck-and-boost-converters/13263)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 21, 2025, 1:30pm UTC](https://forumautomation.com/t/difference-between-buck-and-boost-converters/13263 "2025-05-21T13:30:35Z")
Buck Converter (Step-Down) Purpose: Reduces the input DC voltage to the lower output DC voltage. Output Voltage (Vout): V out \< V in ​Typical Application: Powering 5V (or) 3.3V devices with a 12V supply. Working Pr… --- ## [7 Segment Display](https://forumautomation.com/t/7-segment-display/13152)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [April 10, 2025, 10:16am UTC](https://forumautomation.com/t/7-segment-display/13152 "2025-04-10T10:16:48Z")
7 Segment Display A 7-segment display is an electronic display device that employs 7 LEDs (Light Emitting Diodes) placed in a certain arrangement to show numerals and characters by lighting up various combinations of s… --- ## [Advanced Wireless Control Using RF Technology](https://forumautomation.com/t/advanced-wireless-control-using-rf-technology/12869)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [November 28, 2024, 2:46pm UTC](https://forumautomation.com/t/advanced-wireless-control-using-rf-technology/12869 "2024-11-28T14:46:21Z")
The electromagnetic spectrum’s frequencies related to radio wave propagation are referred to as Radio Frequency (RF). When directed to an antenna that transmits the applied signal into space, radio frequency current … --- ## [What is the difference between firing angle control and pulse width modulation control in PWM inverters?](https://forumautomation.com/t/what-is-the-difference-between-firing-angle-control-and-pulse-width-modulation-control-in-pwm-inverters/12818)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [November 20, 2024, 4:15pm UTC](https://forumautomation.com/t/what-is-the-difference-between-firing-angle-control-and-pulse-width-modulation-control-in-pwm-inverters/12818 "2024-11-20T16:15:07Z")
What is the difference between firing angle control and pulse width modulation control in PWM inverters? --- ## [What is holding current in SCR?](https://forumautomation.com/t/what-is-holding-current-in-scr/12726)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [October 21, 2024, 3:34pm UTC](https://forumautomation.com/t/what-is-holding-current-in-scr/12726 "2024-10-21T15:34:37Z")
What is Holding Current? Holding current in a Silicon Controlled Rectifier (SCR), also known as a thyristor, is an important parameter that determines the lowest current necessary to keep the device conducting. Below … --- ## [CMOS Interview Questions](https://forumautomation.com/t/cmos-interview-questions/12314)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [July 23, 2024, 4:20am UTC](https://forumautomation.com/t/cmos-interview-questions/12314 "2024-07-23T04:20:13Z")
What is latch up? Latch-up pertains to a failure mechanism wherein a parasitic thyristor (such as a parasitic silicon controlled rectifier, or SCR) is inadvertently created within a circuit, causing a high amount of cu… --- ## [Telecommunication Systems: Cable Specifications](https://forumautomation.com/t/telecommunication-systems-cable-specifications/12241)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [July 3, 2024, 11:30am UTC](https://forumautomation.com/t/telecommunication-systems-cable-specifications/12241 "2024-07-03T11:30:46Z")
Telecommunication Systems: Cable Specifications --- ## [Is it possible to connect one FX Loop to another FX Loop on an amplifier?](https://forumautomation.com/t/is-it-possible-to-connect-one-fx-loop-to-another-fx-loop-on-an-amplifier/12222)
**Author:** [@NicholasDeo](https://forumautomation.com/u/NicholasDeo)\ **Replies:** 1\ **Last updated:** [June 27, 2024, 2:26pm UTC](https://forumautomation.com/t/is-it-possible-to-connect-one-fx-loop-to-another-fx-loop-on-an-amplifier/12222 "2024-06-27T14:26:54Z")
Is it possible to connect one FX Loop to another FX Loop on an amplifier? --- ## [What types of Sensors are used in a Digital Mold Incubator?](https://forumautomation.com/t/what-types-of-sensors-are-used-in-a-digital-mold-incubator/12201)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [June 24, 2024, 4:25pm UTC](https://forumautomation.com/t/what-types-of-sensors-are-used-in-a-digital-mold-incubator/12201 "2024-06-24T16:25:14Z")
Digital mold incubators use a variety of sensors to monitor & manage the environmental conditions required for mold culture growth and study. The main types of sensors utilized in a digital mold incubator are: \[colo… --- ## [Difference Between Capacitor and Battery](https://forumautomation.com/t/difference-between-capacitor-and-battery/9473)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 2\ **Last updated:** [June 14, 2024, 5:14pm UTC](https://forumautomation.com/t/difference-between-capacitor-and-battery/9473 "2024-06-14T17:14:51Z")
How does a capacitor charge and discharge is it enitrely different from the battery charging --- ## [What are the signs of a bad RV converter?](https://forumautomation.com/t/what-are-the-signs-of-a-bad-rv-converter/12164)
**Author:** [@TSRS](https://forumautomation.com/u/TSRS)\ **Replies:** 1\ **Last updated:** [June 14, 2024, 5:02pm UTC](https://forumautomation.com/t/what-are-the-signs-of-a-bad-rv-converter/12164 "2024-06-14T17:02:11Z")
What are the signs of a bad RV converter? --- ## [What is a DC-to-DC converter? Why do we need a DC-DC converter? What are the types of DC to DC converter?](https://forumautomation.com/t/what-is-a-dc-to-dc-converter-why-do-we-need-a-dc-dc-converter-what-are-the-types-of-dc-to-dc-converter/7915)
**Author:** [@ashlin](https://forumautomation.com/u/ashlin)\ **Replies:** 1\ **Last updated:** [June 12, 2024, 12:56pm UTC](https://forumautomation.com/t/what-is-a-dc-to-dc-converter-why-do-we-need-a-dc-dc-converter-what-are-the-types-of-dc-to-dc-converter/7915 "2024-06-12T12:56:34Z")
What is a DC to DC converter and why do we use a DC to DC converter DC to DC converters are widely used in industrial applications, the performance of these applications can be improved by using a variable DC supply. By… --- ## [What is the number of pins on an Integrated Circuit (IC)?](https://forumautomation.com/t/what-is-the-number-of-pins-on-an-integrated-circuit-ic/12157)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [June 12, 2024, 12:38pm UTC](https://forumautomation.com/t/what-is-the-number-of-pins-on-an-integrated-circuit-ic/12157 "2024-06-12T12:38:26Z")
\[color=#ff7700\]What is an Integrated circuits (ICs)? \[/color\] Integrated circuits (ICs) are commonly referred to as chips. They are complicated circuitry etched onto tiny semiconductor chips (silicon). The silicon chip … --- ## [What is a Modular Sensor System and how does it work?](https://forumautomation.com/t/what-is-a-modular-sensor-system-and-how-does-it-work/12151)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [June 10, 2024, 3:26pm UTC](https://forumautomation.com/t/what-is-a-modular-sensor-system-and-how-does-it-work/12151 "2024-06-10T15:26:42Z")
What is a Modular Sensor System? A modular sensor system is a versatile, scalable sensor configuration made up of interchangeable sensor modules linked to a central processing unit (or) controller. Each module is simply … --- ## [What are the Best Textbooks to study Power Semiconductor Devices?](https://forumautomation.com/t/what-are-the-best-textbooks-to-study-power-semiconductor-devices/12141)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [June 6, 2024, 5:03pm UTC](https://forumautomation.com/t/what-are-the-best-textbooks-to-study-power-semiconductor-devices/12141 "2024-06-06T17:03:45Z")
To study power semiconductor devices, you need to first understand their concepts, design, and applications. Here are some of the greatest textbooks that cover a range of topics relating to power semiconductor devices, i… --- ## [Difference Between Zener Diode and Diode](https://forumautomation.com/t/difference-between-zener-diode-and-diode/12112)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 30, 2024, 4:32pm UTC](https://forumautomation.com/t/difference-between-zener-diode-and-diode/12112 "2024-05-30T16:32:51Z")
Zener diodes are specifically intended for applications that require accurate voltage regulation & clamping, and they operate predictably in reverse bias at their designated breakdown voltage. Regular diodes, on the oth… --- ## [Why is a transistor called a current control device?](https://forumautomation.com/t/why-is-a-transistor-called-a-current-control-device/12055)
**Author:** [@TSRS](https://forumautomation.com/u/TSRS)\ **Replies:** 1\ **Last updated:** [May 10, 2024, 3:04pm UTC](https://forumautomation.com/t/why-is-a-transistor-called-a-current-control-device/12055 "2024-05-10T15:04:50Z")
Why is a transistor called a current control device? --- ## [Difference between Secured and Unsecured External USB Hard drives](https://forumautomation.com/t/difference-between-secured-and-unsecured-external-usb-hard-drives/12052)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 9, 2024, 5:58pm UTC](https://forumautomation.com/t/difference-between-secured-and-unsecured-external-usb-hard-drives/12052 "2024-05-09T17:58:56Z")
The primary difference between secured & unsecured external USB hard drives is in the security features & data protection procedures used by every type. Here is an overview of the important distinctions: Categor… --- ## [Power Dissipation in CMOS Circuitry](https://forumautomation.com/t/power-dissipation-in-cmos-circuitry/12036)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 6, 2024, 6:33am UTC](https://forumautomation.com/t/power-dissipation-in-cmos-circuitry/12036 "2024-05-06T06:33:22Z")
What is CMOS, and why is it used? CMOS - Complementary Metal-Oxide Semiconductor It is a type of technology utilized in the production of Computer processors, Memory chips, and Other electronic devices. Overall po… --- ## [How do you derive the class D Power Amplifiers Efficiency?](https://forumautomation.com/t/how-do-you-derive-the-class-d-power-amplifiers-efficiency/12025)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 1, 2024, 5:48am UTC](https://forumautomation.com/t/how-do-you-derive-the-class-d-power-amplifiers-efficiency/12025 "2024-05-01T05:48:35Z")
Efficiency of a Class D Power Amplifier The efficiency of a Class D power amplifier can be calculated by looking at its working principle & the probable waveforms involved. Class D amplifiers function as switching amplif… --- ## [Why is a Freewheeling Diode placed across a Solenoid (of any SDV, ON/OFF Valves, etc.)?](https://forumautomation.com/t/why-is-a-freewheeling-diode-placed-across-a-solenoid-of-any-sdv-on-off-valves-etc/11906)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [March 25, 2024, 1:00pm UTC](https://forumautomation.com/t/why-is-a-freewheeling-diode-placed-across-a-solenoid-of-any-sdv-on-off-valves-etc/11906 "2024-03-25T13:00:02Z")
What is Freewheeling Diode? A freewheeling diode, which is additionally known as a fly-back diode or a snubber diode, is frequently used to protect electronic equipment connected to a solenoid from voltage spikes (or) tr… --- ## [How Harmonic Distortion is reduced by a 12-Pulse Rectifier?](https://forumautomation.com/t/how-harmonic-distortion-is-reduced-by-a-12-pulse-rectifier/11794)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [February 16, 2024, 5:48am UTC](https://forumautomation.com/t/how-harmonic-distortion-is-reduced-by-a-12-pulse-rectifier/11794 "2024-02-16T05:48:24Z")
The harmonics decrease as the number of pulses increases. In order to understand inverter and converter terminology, consider the number of pulses in the system configuration. The number of pulses is determined by t… --- ## [Empowering Circuits: The Function of Latching Current in Power Electronics](https://forumautomation.com/t/empowering-circuits-the-function-of-latching-current-in-power-electronics/11712)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [January 16, 2024, 4:26am UTC](https://forumautomation.com/t/empowering-circuits-the-function-of-latching-current-in-power-electronics/11712 "2024-01-16T04:26:00Z")
What is Latching Current? A latching current is the minimal current required to keep a component conducting or latched in power electronics. This perspective is frequently connected with semiconductor devices such as th… [Next page](https://forumautomation.com/c/electronics/45.md?page=1)