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electrotechonline

Current Circuit: MOSFET bridge rectifier with low forward drop

January 21, 2017 By Aimee Kalnoskas

by “Crutschow“, forum member on Electro-Tech-Online.com The lowest input to output voltage drop you can get with a standard bridge rectifier is nearly a volt through the two conducting diodes for each half cycle, even with Schottky diodes in the bridge. That can generate a dissipation of about a watt per amp of output current in […]

Power Electronic Tips

Filed Under: EE Forums, Featured, Industry Experts, Power Electronic Tips Tagged With: electrotechonline

Unravelling the RS-232 standard

January 17, 2017 By Aimee Kalnoskas Leave a Comment

by Val Gretchev, Electro-Tech-Online forum member One of the most confusing interface standards must be RS-232. Since its introduction in 1962, it has undergone numerous changes as it was put to use in many applications not originally envisioned. Over the years, many products were designed by engineers who interpreted the specifications in their own way […]

Filed Under: Applications, Featured, Telecommunications Tagged With: electrotechonline

From the circuit vault on Electro-Tech-Online: Audio

January 15, 2017 By Aimee Kalnoskas Leave a Comment

Forum members at EEWorld’s online engineering community Electro-Tech-Online have been sharing their electronic circuit ideas with other members for years. Now we’re featuring some of those circuits and projects you can build on EEWorldonline. Look for future posts featuring power, robotics, high voltage and audio circuits, as well as many others — all created by our […]

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Filed Under: Analog ICs, Applications, Automotive/Transportation, Consumer, EE Forums, Featured Tagged With: electrotechonline

Practical electromagnet design

December 26, 2016 By Aimee Kalnoskas 3 Comments

By “Spec“, Electro-tech-online.com forum member Magnetic theory can get a bit convoluted and before you know where you are, you can end up knee-deep in variables, constants, differentials, and integrals.This article reduces the theory down to a simple formula which, hopefully, will give you a feel for electromagnets and allow you to easily design a simple […]

Filed Under: FAQ, Featured Tagged With: electrotechonline

From the circuit vault on Electro-Tech-Online: robotics

November 22, 2016 By Aimee Kalnoskas Leave a Comment

Forum members at EEWorld’s online engineering community Electro-Tech-Online have been sharing their electronic circuit ideas with other members for years. Now we’re featuring some of those circuits and projects you can build on EEWorldonline. Look for future posts featuring power, robotics, high voltage and audio circuits, as well as many others — all created by our […]

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Filed Under: EE Forums, Featured Tagged With: electrotechonline

Current Circuit: A bipolar AC/DC MOSFET low-side switch

November 20, 2016 By Aimee Kalnoskas

by Crutschow, Electro-Tech-Online.com community member Here’s a circuit that uses two back-to-back N-MOSFETs and one PNP BJT to form a low-side bipolar switch for either AC or plus/minus DC sources. This has much lower On voltage drop and power loss than a TRIAC (for example a Triac will typically dissipate >10W at 10Arms current whereas […]

Power Electronic Tips

Filed Under: EE Forums, Featured, Industry Experts, Power Electronic Tips Tagged With: electrotechonline, eto

From the circuit vault on Electro-Tech-Online: Power Supplies

October 14, 2016 By Aimee Kalnoskas

Forum members at EEWorld’s online engineering community Electro-Tech-Online have been sharing their electronic circuit ideas with other members for years. Now we’re featuring some of those circuits and…

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Filed Under: EE Forums, Featured, Power Electronic Tips Tagged With: electrotechonline, eto

From the circuit vault on Electro-Tech-Online: Automotive

October 6, 2016 By Aimee Kalnoskas Leave a Comment

Forum members at EEWorld’s online engineering community Electro-Tech-Online have been sharing their electronic circuit ideas with other members for years. Now we’re featuring some of those circuits and projects you can build on EEWorldonline. Look for future posts featuring power, robotics, high voltage and audio circuits, as well as many others — all created by our […]

Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7

Filed Under: Applications, Automotive/Transportation, EE Forums, Featured, Industry Experts, Tools Tagged With: electrotechonline

How to build a power supply with two different output voltages

August 24, 2016 By Aimee Kalnoskas 12 Comments

by Electro-Tech-Online forum member Crutschow The schematic to the right shows a simple way to get two full-wave rectified voltages from one center-tapped transformer winding and one bridge rectifier. Adding a capacitor filter at the center-tap gives roughly half the DC voltage from the center-tap output to ground as compared to the bridge output to ground. This […]

Filed Under: Featured, Power Electronic Tips Tagged With: electrotechonline

PIC 16F and register banking explained

July 27, 2016 By Aimee Kalnoskas

by Jon Wilder As some of you have noticed, the internal RAM in the PIC 16F appears to be arranged in “banks”. Each bank holds 128 RAM registers…

The post PIC 16F and register banking explained appeared first on Microcontroller Tips.

Filed Under: Featured, Microcontroller Tips Tagged With: electrotechonline

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