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Posts tagged Portable Mic Pre-amp

1tr preamp mic schematic

1tr preamp mic schematic using c828 R1 …… 10K R2 …… 220K R3 …… 5K6 R4 …… 560K VR …… 10K C1 …… 100nF C2 …… 47uF Q ……. C828

ne5532 amplifier

ne5532 amplifier op amp amplifiers using ne5532 amplifier ne5532 amplifier ne5532 amplifier circuit

6W Audio Amplifier Circuit using TDA1519

6W Audio Amplifier Circuit using TDA1519

Making inverter technology for Car

Making inverter technology for Car Inverter is a series of functions to change the dc voltage into ac voltage. One of the purposes inverter that is popular enough to raise the dc voltage of 12 to be 220 Vac. after the change in voltage from 12 Vdc into 12 Vac, and the increase in the […]

VU Meter using a lm3915 Circuit diagram

LED current drive is regulated and programmable, eliminating the need for current limiting resistors. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. VU meter uses just one IC and a very few number of external components. It displays the audio level in terms of 10 LEDs. The LM3915 is a […]

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