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The buck-boost regulator circuit delivers -5V output. I hoped this would a nice way to generate a negative voltage for e.g. an LCD-display. However this circuit requires component values that are similar to the buck regulator at high load.
An Omega engineering Catalog with many Dilbert Comic Strips Integrated. Not only is the catalog informative the Dilbert pages make this book good reading.
Careful study of CMOS characteristics show that CMOS devices used in a system design can be used for linear building blocks as well as digital blocks.Utilization of these new devices will decrease package count and reduce supply requirements. The circuit designer now can do both digital and linear designs with the same type of device.
USB pen drives, Thumb Drives, Flash drives are now available in USB 2 and USB 3 Versions. USB Hubs are also in two versions. Use USB 3 Hub for the newer USB 3 Flash Drives. Make sure you Plug the Hub into a Blue USB 3 post of your Computer. Use USB Tree View Freeware to crosscheck your connections.
The LM136-2.5/LM236-2.5 and LM336-2.5 integrated circuits are precision 2.5V shunt regulator diodes. These monolithic IC voltage references operate as a low-temperature-coefficient 2.5V zener with 0.2 dynamic impedance. A third terminal on the LM136-2.5 allows the reference voltage and temperature coefficient to be trimmed easily.
From Signals, Filters, Sampling, Aliasing to Data Converters. This book covers the fundamentals of Mixed-CMOS Design. This book will fill a hole in the technical literature for an advanced-tutorial book on mixed-signal circuit design. There are no competitors in this area. Mixed-signal design is performed in industry by a select few gurus .
I am now nearly 60 years old, using Reading Glasses of 1.5 power. Fonts setting 110% to reduce eyestrain.
2025-09-28
Text Size reset to 100% and Display Scaling to 125% with HDMI Interface. 1920*1080 Resolution. Now things are better.
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An open source USB programmer for PIC micros, I2C EEPROMs, some ATMEL micros, generic I2C/SPI devices and (soon) other devices.
"After searching a while I couldn't find an USB programmer which was at the same time functional, free, and open source, so I decided to design one. Open source means that all sources and schematics are given free of charge with the rights to modify and release them." - Alberto Maccioni
This is going to be the New site in 2026. Being Built on Backdrop CMS that evolved from Drupal.
