circuits.dk
flyback » Circuits
http://www.circuits.dk/tag/flyback
All about electronics circuits. Power Tips from EE-Times. With the emphasis today on the need for more efficient and cost-effective power solutions, EE-Times created this column to provide helpful tips on a variety of power management topics. This column is geared towards design engineers at all levels. Whether you’ve been in the power business a long time or just coming on the power scene, you’ll find some nuggets of information that just might help you with your next design challenge. While switching r...
circuits.dk
mosfetdriver » Circuits
http://www.circuits.dk/tag/mosfetdriver
All about electronics circuits. Power Tips from EE-Times. With the emphasis today on the need for more efficient and cost-effective power solutions, EE-Times created this column to provide helpful tips on a variety of power management topics. This column is geared towards design engineers at all levels. Whether you’ve been in the power business a long time or just coming on the power scene, you’ll find some nuggets of information that just might help you with your next design challenge. While switching r...
circuits.dk
Multilayer » Circuits
http://www.circuits.dk/tag/multilayer
All about electronics circuits. Multilayer air core inductor. Formula used in this. Calculation is from the famous Wheelers approximations. Which is accurate to 1% if the cross section is near. L (uH) =31.6*N 2* r1 2 / 6*r1 9*L 10*(r2-r1). L(uH)= Inductance in microHenries. N = Total Number of turns. R1 = Radius of the inside of the coil in meters. R2 = Radius of the outside of the coil in meters. L = Length of the coil in meters. This formula applies at ‘low’ frequencies ( 3MHz) using. 500 out of 5).
circuits.dk
emc » Circuits
http://www.circuits.dk/tag/emc
All about electronics circuits. Power Tips from EE-Times. With the emphasis today on the need for more efficient and cost-effective power solutions, EE-Times created this column to provide helpful tips on a variety of power management topics. This column is geared towards design engineers at all levels. Whether you’ve been in the power business a long time or just coming on the power scene, you’ll find some nuggets of information that just might help you with your next design challenge. While switching r...
circuits.dk
fullbridge » Circuits
http://www.circuits.dk/tag/fullbridge
All about electronics circuits. Texas Instruments (Unitrode) Switching power supply design. Switching Power Supply Topology Review. Closing the Feedback Loop. Appendix A: Error Amplifier and Compensation Network Design. Appendix B: Bode Plots. Appendix C: Flyback-Discontinuous Inductor Current-Direct Duty Cycle Cont. Switching Power Supply Design Review — 60 Watt Flyback Regulator. Appendix I: Transformer Design. Appendix II: Effective RL and C in the Feedback Loop. Power Conversion Design Guide. Optimiz...
circuits.dk
FlatSpiral » Circuits
http://www.circuits.dk/tag/flatspiral
All about electronics circuits. Flat spiral coil inductor. This is an popular coil geometri used in todays wireless charger circuits. The formula used in this calculation is based on the. Harold A. Wheeler approximations. For air core flat spiral coil inductor. L = inductance in μH. Di = inner diameter in inches. S = distance between windings in inches. W = wire diameter in inches. N = number of turns. 1 inch = 0,0254m=2,54cm = 25,4mm. This formula applies at ‘low’ frequencies ( 30MHz). An “air cor...
circuits.dk
forward » Circuits
http://www.circuits.dk/tag/forward
All about electronics circuits. Power Tips from EE-Times. With the emphasis today on the need for more efficient and cost-effective power solutions, EE-Times created this column to provide helpful tips on a variety of power management topics. This column is geared towards design engineers at all levels. Whether you’ve been in the power business a long time or just coming on the power scene, you’ll find some nuggets of information that just might help you with your next design challenge. While switching r...
circuits.dk
filter » Circuits
http://www.circuits.dk/tag/filter
All about electronics circuits. Power Tips from EE-Times. With the emphasis today on the need for more efficient and cost-effective power solutions, EE-Times created this column to provide helpful tips on a variety of power management topics. This column is geared towards design engineers at all levels. Whether you’ve been in the power business a long time or just coming on the power scene, you’ll find some nuggets of information that just might help you with your next design challenge. While switching r...
circuits.dk
list » Circuits
http://www.circuits.dk/tag/list
All about electronics circuits. This page is an Electronics Design Check list. It was. Originally obtained from a HP document. It has been. Extensively adapted to suit my and hopefully other design. Engineers requirements. Copy it and edit it as you. See fit. Some checks are done automatic with most schematic. And pcb layout software, but serve as reminders. 1 Use a suitable universal file name for schematics,. And backup the file. Consider how useful “new powersupply.scm”. Will look in a few years.
circuits.dk
coil » Circuits
http://www.circuits.dk/tag/coil
All about electronics circuits. Planar spiral coil inductor. Push image to enlarge. The first approximation is based on a modification of an expression developed by Wheeler; the second is derived from electromagnetic principles by approximating the sides of the spirals as current-sheets; and the third is a monomial expression derived from fitting to a large database of inductors (and the exact inductance values). Fill in appropriate values in the white fields.Then push “calculate”. 1μm =0.001mm. Texas In...