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FM wireless microphone for the President’s speech

FM wireless microphone is very simple to build and has a useful transmission range (more than 300 meters in open air). Although a small component count and 3V operating voltage it will easily penetrate more than three floors of an apartment building. This may be found anywhere in the FM band (87-108MHz) and transmission can […]

CIRCUIT DIAGRAM 100 watt simple mosfet power amp

Here the CIRCUIT schematic diagram of 100 watt audio amplifier with MOSFET. … The huge collection of electronic circuit diagrams are provided here… … 100W RMS Amplifier · 0-30V Stabilized Variable Power Supply with Current Control

Portable audio amplifier schematic

Portable audio amplifier schematic using TA7270P This is simple portable audio amplifier circuit. This circuit built based on IC TA7270P which is a Bridge monolithic integrated audio amplifier

power amplifier schematics

power amplifier schematics 500 watt using TR

short circuit sound effect

short circuit sound effect using 2N3904, 2N3906

2 tr preamp mic schematic

2 tr preamp mic schematic using C536, C458 R1,7 …… 2K2 R2 …….. 47K R3 …….. 270 R4 …….. 2M2 R5 …….. 180K R6 …….. 470K R8 …….. 15K R9 …….. 150K C1 …….. 22uF/16V C2 …….. 200nF C3 …….. 10uF/16V Q1 …….. C694 / C458 Q2 …….. C536 / C458 VR …….. 50K

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