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Converters: DC to AC Circuits and Inverter Circuits
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DC to AC:   #'s - B      C - L        M - Z
 

Last Updated: June 02, 2021 01:44 PM

Circuits Designed by Dave Johnson, P.E.

Miniature Isolated AC/DC Power Supply This circuit uses a novel approach to produce a fully isolated and regulated 5 volts @30ma from the 120vac power line.  It uses two tiny SCRs that alternately discharge two capacitors through a miniature high frequency transformer.  The voltage spikes produce. . . Circuit by David A. Johnson P.E.-June, 2000

Non-Isolated Off-Line AC to DC Power Supply This compact efficient circuit can provide up to 100ma of a regulated 5 volts from an AC power source ranging from 20vac to 120vac. . . Circuit by David Johnson P.E.-July, 2006

Plus & Minus DC Power Supply This is a classic example of a regulated DC power supply that produces both a positive 15v and a negative 15v from a 20vac wall adapter . . . Hobby Circuit designed by David Johnson P.E.-October, 2005




Links to electronic circuits, electronic schematics and designs for engineers, hobbyists, students & inventors:

Make a Universal VCSEL Driver 10-Jul-03 EDN-Design Ideas VCSELs (vertical-cavity surface-emitting lasers] are commercially available infrared semiconductor lasers with λ≅850 nm.  Short-cavity-length, high-quality Bragg mirrors impart properties to VCSELs that differ from those that earlier__ Circuit Design by Andrzej Wolczko, Institute of Electronics AGH, Krakow, PolandJuly 10, 2003

Make Simple Circuit High-Voltage Inverter 27-May-04 EDN-Design Ideas A simple high-voltage MOSFET inverter solves the problem of driving a high-side MOSFET, using a low-voltage transistor, Q1, and a special arrangement involving D6(Figure 1).  This inverter is much faster than those that optocouplers drive, so dead-time problems are minimal.  The inverter has the usual blocking diodes D4 and D6, and the parallel diodes D5 and D8__ Circuit Design by Francesc Casanellas, Aiguafreda, Spain

Micro Inverter A simple low-power inverter circuit is described here, which converts 12V DC into 230V AC.  It can be used to power very light loads like night lamps and cordless telephones,but can...___ Electronics Projects for You

Miniature Isolated AC/DC Power Supply This circuit uses a novel approach to produce a fully isolated and regulated 5 volts @30ma from the 120vac power line.  It uses two tiny SCRs that alternately discharge two capacitors through a miniature high frequency transformer.  The voltage spikes produce. . . Circuit by David A. Johnson P.E.-June, 2000

MOSFET, Inverter 12 volt unit A Very Reliable, Efficient and Practical Design.  Do Not ask how to Build this for Power ratings over 1000 watts, That is NOT Practical. __ Designed by G.L. Chemelec

Non-Isolated Off-Line AC to DC Power Supply This compact efficient circuit can provide up to 100ma of a regulated 5 volts from an AC power source ranging from 20vac to 120vac. . . Circuit by David Johnson P.E.-July, 2006

Plus & Minus DC Power Supply This is a classic example of a regulated DC power supply that produces both a positive 15v and a negative 15v from a 20vac wall adapter . . . Hobby Circuit designed by David Johnson P.E.-October, 2005

Power inverter is bidirectional 08/02/01  EDN-Design Ideas If you want to swap charge in either direction between unevenly loaded positive and negative battery buses, you need an inverting dc transformer.  One implementation is the symmetrical flyback converter shown in Figure 1.  The circuit__ Circuit Design by Tom Napier, North Wales, PA

Simple  Low-Power Inverter Here is a simple low-power inverter that converts 12V DC into 230-250V AC.  It can be used to power very light loads like window chargers and night lamps, or simply give...___ Electronics Projects for You

Simple Circuit but Powerful DC to AC Converter This circuit is very simple less than 12 component, to build DC to AC converter.  The principle of this circuit is generating 50/60Hz frequency by IC CD4047 and the output complement pin 10 and 11 of IC CD4047 to drive MOSFET IRFZ 44 so induction __

Simple Circuit converts 5V to –10V 26-May-05 EDN-Design Ideas Switched-capacitor circuit doubles, inverts dc source__ Circuit Design by Ken Yang, Maxim Integrated Products Inc, Sunnyvale, CA

Simple Circuit High-Voltage Inverter 05/27/04  EDN-Design Ideas A simple high-voltage MOSFET inverter solves the problem of driving a high-side MOSFET, using a low-voltage transistor, Q1, and a special arrangement involving D6 (Figure 1).  This inverter is much faster than those that optocoupler__ Circuit Design by Francesc Casanellas, Aiguafreda, Spain

Simple Circuit Inverter This circuit will provide a fairly stable "Square Wave" Output Voltage.  Frequency of operation is Mainly determined by the 220 uF Feedback Caps.  Currently about 60 Hz.  Various "off the shelf" transformers can be used. __ Designed by G.L. Chemelec

Universal VCSEL Driver 10-Jul-03 EDN-Design Ideas VCSELs (vertical-cavity surface-emitting lasers] are commercially available infrared semiconductor lasers with λ≅850 nm.  Short-cavity-length, high-quality Bragg mirrors impart properties to VCSELs that differ from those that earlier__ Circuit Design by Andrzej Wolczko, Institute of Electronics AGH, Krakow, Poland

Very Basic 12 volt Inverter This circuit will provide a fairly stable "Square Wave" Output Voltage.  Frequency of operation is Mainly determined by the 220 uF Feedback Caps.  Currently about 60 Hz.  Various "off the shelf" transformers can be used. __ Designed by G.L. Chemelec

Voltage Inverter This circuit inverts the polarity of the input.  output is limited to less that 200mA. __ Designed by Andy Wilson

Voltage Inverter using 555 Timer Simple and inexpensive circuit can produce a dual (positive and negative) voltage from a single supply input, extremely useful for powering OpAmp and other circuits that require a dual voltage from a single battery. __ Designed by Aaron Cake


DC to AC Circuits:   #'s - B      C - L        M - Z


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