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Posts tagged Synth Beep Sweep

Sweeping Tone Alarm Beeper

Sweeping Tone Alarm Beeper using 4069, TIP29C, NECD882

uPC1032H circuit

preamp mic schematic using uPC1032H R101,201,9 ………… 100 R102,202 ………….. 1K R103,203 ………….. 1K R104,204 ………….. 82 R105,205 ………….. 15O R106,206 ………….. 1K R107,207 ………….. 2K R108,208 ………….. 4K R10 ………………. 10R VR ……………….. B50K Stereo C101,201 ………….. 1nF C102,202,106,206 …… 10uF/16V C103,203,113,213 …… 22uF/16V C104,204 ………….. 39nF C105,205 ………….. 1,5nF C7,9,11 …………… 100nF C8,10,12 […]

Amplifier Electronic Circuits – Audio Amp Schematics 170w – LM4651 & LM4652

IC LM4651 and LM4652 is a type of MOSFET ICs and power amplifiers include high-efficiency amplifier, suitable for self-powered speakers, a subwoofer and driver quality car. LM 4651 is a fully integrated conventional pulse width modulation (PWM) driver, contains undervoltage, short circuit, overmodulation. The maximum efficiency of this circuit is 85% at 125W in standby […]

Power supply protection

power supply power supply Power supply protection using MJ2955, 2N6049, MC7800

Transistor Tester for repair

Circuit diagram for SCR and Transistor Tester Transistor and Circuit Tester pro- vides accurate measurement of basic transistor and diode characteristics required for quality testing

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