An analog electrical engineer from Cleveland, OH. Writes Reviews on Semiconductors and Articles on Enginnering in his Tech Blog.
Chris Gammell – Analog Design Notes
Consult Chris Gammell for your Product Design.
Analog circuit design, including signal conditioning, amplification, control loops, input protection and power circuitry. Digital hardware design for your embedded project.
Interface – @Chris_Gammell
Archive of posts filed under the Analog Design category.
Chris Gammell – Analog Design Notes
Products for portable ECG designs – Analog
Products for portable ECG designs – Analog
“ADI microcontroller and integrated amplifier technologies support ultra low power, small size, and AAMI-EC13 performance level requirements for portable ECG designs.”
AD8235: 40µA Micropower Instrumentation Amplifier in WLCSP Package
The AD8235 is the industry’s smallest, lowest power instrumentation amplifier. It has rail to rail inputs and outputs and can operate on [...]
Mixed Circuits Analog with Digital
Mixed Circuits Analog with Digital
Here are some circuits that have both Analog and Digital Signals in them. At one time i wanted to make reed relays, it was a good spot to be in, as it was used in Telecommunications. Even Small Office EPABX systems would have quite a Few of them. It was Simple, [...]
Mixed Electronic Designs
Analog Designs have to handle Linear Signals, Like 2.03 V and 35.3812 mA. Waveforms of all shapes from Straight Line DC Levels to the Jittery and Multi-Frequency Audio Waveforms. Digital Designs manage Digital Signals, Like 0 and 5V Logic levels. All families of digital Logic, have some Threshold Limits and Voltage windows to determine Data [...]
Mixed and Interface Circuits
Mixed and Interface Circuits : Most of the sensor interface and instrument inputs are analog; even if it event based like a limit switch, analog circuit protection and signal conditioning is required before it reaches the level sensitive digital circuit blocks. Starting with Schmitt triggers and to the VCO and A-D Converters, are grades [...]
National Semiconductor – Analog Mixed and Power Solutions
National Semiconductor – Analog Mixed and Power Solutions
I just found the National Semi – News Tweets
National Semiconductor – Tweeter
4-20mA Conditioning – XTR101 TI BB
4-20mA Conditioning – XTR101 TI BB
These are Burr Brown Devices from TI. The BB Chips are excellent devices and High Precision, but a bit more expensive. These can be used when customer demands a Higher Quality and Precision. These are good for High Reliability Industrial Instrumentation. – delabs
From TI Data Sheets -
The XTR101 is a [...]
