Categories

Posts Tagged ‘Murata’

App note: Noise suppression for wireless headphones

Sunday, January 13th, 2019

Wireless headphone interference investigation from muRata. Link here Recently, the popularity of wireless headsets has been growing as the number of situations where people “play sports while listening to music” increases. Bluetooth is frequently used for communication between smartphones and headsets. However, audio can skip due to communication errors, so...

Tags: , , ,
Posted in app notes | No Comments »

App note: High-Power backup

Sunday, January 7th, 2018

App note from Murata on application of Electrical double layer capacitors (EDLCs). Link here (PDF) When you consider backup function in your product, Murata’s supercapacitors (also known as EDLCs, Supercaps) are suitable for backup energy device. Murata’s supercapacitors can discharge in high power up to 10A. Therefore they can cover...

Tags: , , ,
Posted in app notes | No Comments »

App note: Implementing a line frequency meter

Sunday, October 2nd, 2016

Circuit from Murata about line frequency measurement utilizing Murata's DMS series digital voltmeters, LM2917 frequency-to-voltage converter and a transformer for isolation. Link here (PDF)

Tags: , ,
Posted in app notes | No Comments »

App note: Engineering scaling

Sunday, October 2nd, 2016

Scaling large values to be fed on limited input digital meters, application note from Murata. Link here (PDF) It is oftentimes necessary to attenuate “large” input signals down to a level that more closely matches the input range of a selected meter. For example, suppose the signal to be measured is...

Tags: , ,
Posted in app notes | No Comments »

App note: Transformers

Sunday, April 24th, 2016

All about transformers and its different uses in this application note from Murata. Link here (PDF)

Tags: , ,
Posted in app notes | No Comments »

App note: Inductors

Sunday, April 24th, 2016

Murata's application note about inductors and its specifications. Link here (PDF) Reading a specification for an inductor is considered a simple task, however, there is often some confusion even over the meaning of relatively straight forward parameters.

Tags: , ,
Posted in app notes | No Comments »

App note: The LED versus LCD decision

Sunday, April 17th, 2016

Choosing between two display types, LED and LCD discussed in this application note from Murata. Link here (PDF) Users of contemporary digital panel meters (DPMs) have a variety of options available to them. While options are nice, they invariably mean more choices have to be made. After determining what meter...

Tags: , , ,
Posted in app notes | No Comments »

App note: Tracking/Sequence for point-of-load DC/DC converters

Sunday, April 12th, 2015

Another app note (PDF) for power sequencing from Murata Whereas in the old days, one master switch simultaneously turned on the power for all parts of a system, many modern systems require multiple supply voltages for different on-board sections. Typically the CPU or microcontroller needs 1.8 Volts or lower. Memory...

Tags: , ,
Posted in app notes | No Comments »

App note: Output capacitive load considerations

Sunday, April 5th, 2015

App note(PDF) from Murata on output capacitors loading when in a switch mode power supply There are numerous factors to consider when adding external capacitors to switched-mode power supplies (SMPS). This article will discuss noise, startup, ESR, stability, pre-bias applications, Sense inputs, On/Off (remote enable) controls and other topics. Many...

Tags: , , ,
Posted in app notes | 1 Comment »

App note: EMC design guidelines

Sunday, April 5th, 2015

A great guide (PDF) to electromagnetic compatibility from Murata International regulations regarding electromagnetic compatibility (EMC) affect many aspects of circuit and system design. However, there are many techniques that can be applied generally to reduce both the emissions from and susceptibility to, electromagnetic interference (EMI). As a manufacturer of electronic...

Tags: , ,
Posted in app notes | 7 Comments »

Recent Comments

  • Edward Mallon: A teacher friend asked us for faster build that was less dependent on soldering because they didn't have the budget for that kit. So we've...
  • lostengineer: hahaha an entire article just saying to heat-shrink your wires or glue them if they might move around a lot. When did common sense die?
  • readybrek: They're tasty tasty very very tasty... they're very tasty.
  • hli: Sunday++
  • Chamod: Check on your buddy. Make sure they don't forget their lunchbox.