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LT Spice: result of simulated filter incorrect
Plons wrote:My problem is the use of LTspice. That is puzzling me .... the most ;) If you have problems with LTSpice, try to use National Semiconductor's WEBENCH® Active Filter...
Monday, 13 July 2009 - 22:55
Powering a micro from a magnet?
Here's an ATtiny85 powered wireless from a RFID reader using only a 1 mH inductor and nothing else: https://www.avrfreaks.net/index.p...
Monday, 13 July 2009 - 22:48
Creating my Own Cheap Power Supply
Nokia AC-2U is a switchd mode power supply. Universeal voltage input (100 - 240 V) chargers are always swicthed mode. These are much lighter and narrower than non switched mode...
Monday, 13 July 2009 - 05:52
how to test xtal?
You can't reliably test an oscillator by putting a standard 1X or 10X passive oscilloscope probe directly at a crystal pin, because this adds a capacitive and resistive load to...
Sunday, 12 July 2009 - 21:30
band pass second order filter design
Get this book if you want to learn about active and/or passive analog filter design: Active and Passive Analog Filter Design: An Introduction Author: Lawrence P. Huelsman,...
Sunday, 12 July 2009 - 20:35
Sort of switching regulator with AVR + MOSFET...
Ale_BKK wrote:I can't find a switching regulator rated to at least 4A in the local electronics shops Then use a SMPS controller IC instead of a SMPS regulator IC. The difference...
Sunday, 12 July 2009 - 19:47
filtering telephone noise
if the speaker is saturated you should just turn down the volume to fix the problem. But why would you want to use an 8-bit generic MCU to make a digital audio filter for pro...
Friday, 10 July 2009 - 21:41
USB->Serial
steve17 wrote:ArnoldB wrote:steve17 wrote:I found it interesting that Prolific doesn't have a driver for Vista.Prolific has a different view on this. http://www.prolific.com.tw/...
Friday, 10 July 2009 - 21:15
Altium Designer and RAVAN antenna design,need help
Altium have their own forum, why not ask the question there? http://forums.altium.com You will get more replies than in an AVR fourm. And you wont get off topic advertising...
Wednesday, 8 July 2009 - 18:32
New here, Have question
Bit-banging is also explained at Wikipedia: http://en.wikipedia.org/wiki/Bit... And also at Ganssle's website: http://www.ganssle.com/articles/...
Monday, 6 July 2009 - 19:11
arm development
A couple of good documents about ARM Cortex-M3. Some improvements from ARM7 to Cortex-M3 are explained: An Introduction to the ARM Cortex-M3 Processor by Shyam Sadasivan, ARM:...
Monday, 6 July 2009 - 18:48
arm development
neo.harsh wrote:I want to use the new arm7 based Lpc2148.. New??? ARM7 core is slowly becoming obsolete and replaced by the more modern ARM Cortex-M3 core. Just had a look at date...
Sunday, 5 July 2009 - 20:09

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