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audio filter circuit

audio filter circuit audio filter circuit audio filter circuit

Audio amplifier circuit board

Audio amplifier circuit board Audio amplifier circuit board using KA2221 Audio amplifier circuit board Samsung Audio amplifier circuit board DUAL LOW NOISE EQUALIZER AMPLIFIER The KA2221 is a monolithic integrated circuit consisting of 2-channel low noise amplifiers and regulated power supply for car stereos. FEATURES suitable for car stereos. Low noise amplifier. Voltage regulator included. […]

Making a joule thief

Making a joule thief How to make a joule thief charger ? This is a very interesting circuit, it will drive 6 volt led from a single 1.5 volt cell. How to make a simple joule thief – Here are the schematic diagrams that are involved with the joule thief circuit A joule thief is […]

WALKYE TALKIE circuit

WALKYE TALKIE Kristal circuit by ronica using 9014, 19013, 19011

DC Power Supplies with Remote

DC Power Supplies with Remote DC Power Supplies with Remote circuit modules using MTP75N06, SG3525, BC549 Variable Programmable DC power supply 30v to 12v, some DC–DC converters include “Remote Sense” connection points

TV signal amplifier circuit?

Nish asked: Need a circuit diagram to amplify both VHF and UHF signals received from the outdoor VHF/UHF antenna. This circuit should have a high gain output.

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