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VCO circuit diagram

voltage controlled oscillator vco circuit diagram using lm358

car sound generator schematic

car sound generator circuit car sound generator schematic diagram 555 4017 557 car sound generator schematic 555 Here we have an astable oscillator built around 555, which gives an alarm tone of 1.8 KHz directly driving a speaker. This is basic alarm circuit, which is later used in many other projects in the book. While […]

tube Amplifier circuit

tube Amplifier circuit using 12AT7, EL84

SCR circuit

SCR circuit for Time Switch R1 ………….. 15K ohm R2 ………….. 600 ohm R3 ………….. 4,7K ohm R4 ………….. 22K ohm R5 ………….. 68 ohm C1 ………….. X C2 ………….. 47uF – 25V C3 ………….. 0,1uF – 600V TR1-TR2 ……… 2N5306 SCR …………. 2N4444 PS ………….. Puas Switch D1 ………….. 1N – 4003

Vocal ELiminator circuit

Vocal ELiminator circuit using TL084 This neat little circuit will remove the vocals

MAX2232, MAX2233 900MHz ISM-Band, 250mW Power Amplifiers with Analog or Digital Gain Control

MAX2232, MAX2233 900MHz ISM-Band, 250mW Power Amplifiers with Analog or Digital Gain Control, MAX2232  MAX2233 low-voltage, silicon RF power amplifiers (PAs) are designed for use in the 900MHz ISM band. They operate from a single +2.7V to +5.5V supply, allowing them to be powered directly from a 3-cell NiCd or a 1-cell Lithium-Ion battery. The […]

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