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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:
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
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.
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? 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: And also at Ganssle's website:
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