Monthly Archives: December 2009
Make mixer and a mic pre amp used tr BC177 or BC558
Make mixer and a mic pre amp used tr BC177 or BC558
This is the schematics of a simple low cost mic mixer that can be assembled from the components in your junk box. This two channel mike mixer is designed for handling high impedance dynamic microphones. Transistor Q1 can be any general purpose pnp [...]
Make Electronics Schematic Diagram MJR7-Mk3 Mosfet Audio Power Amplifier 70W output power at 60v
MJR7-Mk3 Mosfet Audio Power Amplifier 70W output power at 60v
The Electronics Schematic Diagram MJR7-Mk3 Mosfet MJR6 page includes distortion extracted using the nulling method with a speaker load and a music signal to demonstrate that these designs have no audible distortion in normal use. The MJR7 has even lower distortion, for example the 19kHz + [...]
Posted in Electronic Circuit Tagged 60v, 70W, Amplifier, audio, MJR7-Mk3, mosfet, output, power Leave a comment
Electronics Schematic Diagram Infrared motion detector
Electronics Schematic Diagram Infrared motion detector
PIR325 sensor has two sensing elements connected in a voltage bucking configuration. This arrangement cancels signals caused by vibration, temperature changes and sunlight. A body passing in front of the sensor will activate first one and then the other element whereas other sources will affect both elements simultaneously and be [...]
Posted in Electronic Circuit Tagged detector, diagram, Electronics, Infrared, motion, Schematic Leave a comment
Make Electronics Schematic Diagram 2 way cross-over for your speaker system
Make Electronics Schematic Diagram 2 way cross-over for your speaker system
Posted in Electronic Circuit Tagged 2 way, cross-over, diagram, Electronics, Schematic, speaker, System Leave a comment
Make Electronics Schematic Diagram 3 lines mixer
Make Electronics Schematic Diagram 3 lines mixer
you can modify this circuit become more than 3 lines mixer. Just add and repeat the input parts (P=10K R=22K).
Posted in Electronic Circuit Tagged 3, diagram, Electronics, lines, make, mixer, Schematic Leave a comment

Wireless Receiver Application Circuit with the GL116 decoder – Electronics Schematic Diagram