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Experiment With NAND Gate - CMOS 4011Output goes high when touch wires bridge by fing...
Rabu, 26 April 2006
Gates Oscillator
Experiment With NAND Gate - CMOS 4011(CMOS 4011 Layout)CircuitTry this super-simple experiment. The output frequency is about 1kHz (square wav...
Rabu, 19 April 2006
Telephone FM Transmitter
Descrition & CircuitThis project is taken from www.electronics-lab.com.With some modification, I create my own version of FM Telephone bug complete with stripboard layout.Theortically, the frequency range is from 88MHz to 94MHz but you may experiment with the coil structure to tune it Circuit Strip Board Layout Parts List Diode IN4384 4 LED 1 Resistor 12k 1 1k 1 200R 1 Capacitor 470p 1 330p 1 25p 1 12p 1 Transistor A933(PNP) 1 Coil *See note 1*Coil note7 or...
Senin, 10 April 2006
Lab Power Supply
Description and CircuitMake your own lab power supply complete with adjustable voltage and constant current source.Using single IC (LM324)Here is the circuit.Strip Board Layout.Part List1 LM324 Opamp1 Ammeter 100 µA 1k ohm1 Voltmeter6 IN40011 Zener Diode 9.1V1 Full-Wave Bridge Rectifier1 LED2 NPN Transistor, 2N30551 NPN Transistor, BC109C1 Transformer2 E-Capacitor 2200µF1 Potentiometer 5k ohm linear1 Potentiometer 10k ohm linear1 Resistor 500 ohm2 Resistor 2.2k ohm1 Resistor 560 ohm1 Resistor 6.2k ohm2 Resistor 68k ohm1 Resistor 0.22 ohm4 Resistor 4.7k ohmComponent Image. LM324 2N3055 Some Pictur...
