Year 2009
November 10: Updates to main index page.
August 21: Lot's of new circuits and schematics - See and build!
August: Tomi Engdahl's Blog! - Many of new blog postings. Read them.
April 16: Tomi Engdahl's new Blog! - Follow the thoughts and get the latest circuit tricks!
April 2: Usenet post list by Tomi Engdahl. Lot of usefull stuff collected by Tomi during last years.
March 18: Simple LED dimmer circuits web page added.
March 12: New main index launched! Now it's easier to browse ePanorama.net. Old index available here
November 10: Updates to main index page.
August 21: Lot's of new circuits and schematics - See and build!
August: Tomi Engdahl's Blog! - Many of new blog postings. Read them.
April 16: Tomi Engdahl's new Blog! - Follow the thoughts and get the latest circuit tricks!
April 2: Usenet post list by Tomi Engdahl. Lot of usefull stuff collected by Tomi during last years.
March 18: Simple LED dimmer circuits web page added.
March 12: New main index launched! Now it's easier to browse ePanorama.net. Old index available here
ePanorama.net - - Calculators and tools
Below you can find good web calculators and tools for your electronics design work and studies
Search tools
This is a combination of different information search tools. You can search links, companies, circuits, discussion forum messages, acronyms/abbreviations and electronics component data.
Ohms Law Calculator
This will make easy to do all kind of calculations related to current, voltage, power and ohms. Give any two numeric values and this calculator will calculate the rest.
Input/Output Impedance Measurement and Calculation
This tools helps you to measure input and output impedances of electronics equipment or components.
Cable Resistance Calculator
Calculate how much resistance and voltage loss you get with different cable sizes on your application.
Inductance Calculator
Capacitance Calculator
Resistor Calculator
LC Resonator Calculator
Radio Frequency Free Space Loss Calculator
Calculate the signal loss on different radio link lengths at different frequencies.
dBm Calculator
Convert RF signal power between dBm, volts, watts and dBuV.
Javascript Calculator
This is a simple calculator you can use to do all kind of calculations you might need. Write some mathematical expression and press Calculate to get the result.