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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 5 years ago12 replieslatest reply 5 months ago1720 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

Very low op voltage low current SMPS

Started by johnpote 2 weeks ago5 replieslatest reply 2 weeks ago14 views
Hi everyone,Just wondered if any of you have ideas on designing a very low voltage low power SMPS. It's for a 1 off home build fun project for my shed. I've inherited...

motorola HC05 mask sets

Started by danielek 3 weeks ago2 replieslatest reply 3 weeks ago16 views
Hi all,I am a hardware repair technician, and deal with the below MCU with mask sets: Im in need of some help of possibly an engineer that may know?MC68HC705X32...

Serial Peripheral Interface. Master/Slave with FIFO

Started by Ali23 5 months ago1 replylatest reply 5 months ago28 views
Dear Forum participants,I am working on an implementation SPI hardware interface in VIVADO. I have already read a lot of basic information about it.My planThe bus...

Triac not triggering

Started by Julian104 6 months ago1 replylatest reply 6 months ago27 views
I am trying to reproduce an electric fence unit that was discarded by a neighbour. It was left open in all weathers and very muddy. I've cleaned it enough to identify...

Audio system - wrong caps installed at factory?

Started by SpiderKenny 8 months ago5 replieslatest reply 8 months ago24 views
I do some pro-bono repairs from time to time.This week I had a sound desk from a local church in to look at. It's a digital desk with automated-everything - but...

Single channel synchronous rectifier

Started by sbkenn 8 months ago4 replieslatest reply 8 months ago22 views
I posted this as part of a previous note:  Is anyone aware of an integrated single channel synchronous rectifier ?  I want to turn on a MosFET whenever the parasitic...

Programable monostable

Started by sbkenn 9 months ago2 replieslatest reply 8 months ago33 views
Hi.  Is anyone aware of a programmable monostable from about 100nS pulse width, upwards.Is anyone aware of a MOSFet that incorporates a control for synchronous...

butterworth filter for H-Bridge

Started by sampath177 2 years ago1 replylatest reply 1 year ago49 views
hi,enthusiasm to know why high current H-Bridges uses only butterworth filter (with LC ) in filtering PWM wave to get original signal.I have gone through Class-D...

OT: Laughing in the Face of Adversity

Started by stephaneb 2 years ago14 replieslatest reply 2 years ago331 views
Humor helps us take back control and to connect - two things we have lost in our fight against the pandemic. Feel free to share your best finds. they're playing...

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