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Archives for August, 2021

Audio Schematics, Service Manuals

Audio Schematics, Service Manuals Audio Schematics Service Manuals Power Amplifier Peavey using TR 2sc4793,TIP122, A1013, 5551, 5401, C2383,2sc1837, MJE350,MJE340 Peavey PCB and LAY OUT curcuit diagram/ Best Power Amplifier Peavey, Paket Mini Pro Plus Audio Seven Peavey Dbx Plus Power Amplifier Peavey using TR 2sc4793,TIP122, A1013, 5551, 5401, C2383,2sc1837,MJE350,MJE340 Smart Voice 12,pv 2600 mixer, pcb, […]

Make 2.45GHz RF Signal Detector

Make 2.45GHz RF Signal Detector This passive RF indicator is made from a few simple parts.  A 100uA moving coil meter is used to display the relative intensity of the RF signal.  This circuit can be used with some cellphones and many cordless telephones.

How do you Make Dimmer Schema Switches for Lamps, Brushed motors, Soldering iron or heater

How do you Make Dimmer Schema Switches for Lamps, Brushed motors, Soldering iron or heater

TTL RS232 driver circuit and Protect the PC from direct connection to hazardous voltages

TTL RS232 driver circuit. TTL driver circuit consists of 2 transistors and a few other passive components, a negative voltage for RS232 logic generated by the capacitor C7. TTL to RS232 driver circuit and a variable voltage output driver has a parallel termination impedance to match cable and TTL driver circuit, and provides the best […]

How to decrease microphone sensitivity

ULTRA sensitive microphone circuit If you are looking for the sensitive microphone then here is exactly what … He he . Here in the sensitive microphone circuit you can see that microphone schema. Pre amp power supply design

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