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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 5 years ago12 replieslatest reply 6 months ago1755 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...

EMC and Crystal Oscillators

Started by EEFmc7 14 hours ago6 views
I am designing an acquisition system that has two parts, a hub and an acquisition part that collects the signals. The two parts communicate through FPGA Serdes.The...

Very low op voltage low current SMPS

Started by johnpote 2 months ago5 replieslatest reply 2 months ago16 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 2 months ago2 replieslatest reply 2 months ago21 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 6 months ago1 replylatest reply 6 months ago30 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 7 months ago1 replylatest reply 7 months ago29 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 9 months ago5 replieslatest reply 9 months ago25 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 9 months ago4 replieslatest reply 9 months ago23 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 10 months ago2 replieslatest reply 9 months ago36 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 ago57 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...

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