This circuit is a stereo amplifier for a high sensitivity stereo parabolic microphone that able to used for listening to distant sounds. Typical parabolic microphones are monophonic, this unit has a stereo audio path that helps produce more realistic...
Topics: Audio Circuit, Microphone Circuit

{"title":"Stereo Parabolic Microphone","post_url":"http:\/\/free-electronic-circuit.blogspot.com\/2009\/09\/stereo-parabolic-microphone.html","feed_url":"http:\/\/free-electronic-circuit.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-09-23 19:51:00","summary":" This circuit is a stereo amplifier for a high sensitivity stereo parabolic microphone that able to used for listening to distant sounds. Typical parabolic microphones are monophonic, this unit has a stereo audio path that helps produce more realistic..."}

Here's AC power supply circuit with low voltage output ( step down transformer converter ). Warning! This project involves the use of dangerous voltages. You must make sure all high-voltage (120 volt household power) conductors are safely insulated..
Topics: Power Supply

{"title":"AC Power Supply-Low Voltage","post_url":"http:\/\/free-electronic-circuit.blogspot.com\/2009\/09\/ac-power-supply-low-voltage.html","feed_url":"http:\/\/free-electronic-circuit.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-09-22 20:57:00","summary":" Here's AC power supply circuit with low voltage output ( step down transformer converter ). Warning! This project involves the use of dangerous voltages. You must make sure all high-voltage (120 volt household power) conductors are safely insulated.."}

Here's a standard for ATX Power supply connectors dan ATX power supply pinouts. Standard power supplies turn the incoming 110V or 220V AC (Alternating Current) into various DC (Direct Current) voltages suitable for powering the computer's...
Topics: Computer Circuit, Computer Power Supply Circuit, Power Supply

{"title":"ATX Power Supply Connector-Pinouts Diagram","post_url":"http:\/\/free-electronic-circuit.blogspot.com\/2009\/09\/atx-power-supply-connector-pinouts.html","feed_url":"http:\/\/free-electronic-circuit.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-09-22 20:33:00","summary":" Here's a standard for ATX Power supply connectors dan ATX power supply pinouts. Standard power supplies turn the incoming 110V or 220V AC (Alternating Current) into various DC (Direct Current) voltages suitable for powering the computer's..."}

This 12V inverter is very easy to build, cheap components that many electronics hobbyists may even already have. Though it is possible to build a more powerful circuit, the complexity caused by the very heavy currents to be handled on the low-voltage...
Topics: Power Supply

{"title":"12V Inverter Circuit","post_url":"http:\/\/free-electronic-circuit.blogspot.com\/2009\/09\/12v-inverter-circuit.html","feed_url":"http:\/\/free-electronic-circuit.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-09-19 15:59:00","summary":"This 12V inverter is very easy to build, cheap components that many electronics hobbyists may even already have. Though it is possible to build a more powerful circuit, the complexity caused by the very heavy currents to be handled on the low-voltage..."}

Audio Power Meter indicates the amount of power that goes to a loudspeaker. This simple audio power meter circuit uses dual-colour LED that shows green at an applied power level of about 1 watt. At 1.5 watts it glows orange and above 3 watts it is...
Topics: Test and Measurement

{"title":"Audio Power Meter Using Duo LED","post_url":"http:\/\/free-electronic-circuit.blogspot.com\/2009\/09\/audio-power-meter-using-duo-led.html","feed_url":"http:\/\/free-electronic-circuit.blogspot.com\/feeds\/posts\/default?alt=rss","author":"broadcasthardware","date":"2009-09-19 15:13:00","summary":" Audio Power Meter indicates the amount of power that goes to a loudspeaker. This simple audio power meter circuit uses dual-colour LED that shows green at an applied power level of about 1 watt. At 1.5 watts it glows orange and above 3 watts it is..."}