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Archive for the ‘Oscillator’ Category


More circuits about oscillator, pulse, frequency , and others.

 ECG simulator using CD4521 and CD4017

Saturday, March 8th, 2014

ECG is very useful in the medical community. Such as experimental research and development of bio-medical imaging. But this should not be taken with patients because we do not want that. The real purpose is that it is used to preview a heart rate only. In general measuring the rate of heartbeat will get a […]


 The experiment use inverter gate as oscillator circuit.

Saturday, January 11th, 2014

The experiment use inverter gate as oscillator circuit. We will try to take an inverter gate to test fun circuit. The inverter that use is CMOS also be use the number : MC14069B. Or if not have used the old NAND gate : MC14011B. Then, take input joint together into the same inverter form. Connect […]


 VCO-using schmitt trigger

Wednesday, November 6th, 2013

The oscillator or the frequency generator, By most popular use NE555 or transistors or various gate. The output frequency setting depend on the resistance or capacitance As well as use the crystal control or frequency to the circuit. The frequency generator will see that has Designs commonly used in an electronic circuits, specifically the digital […]


 TV test pattern generator with wireless model

Sunday, October 27th, 2013

This is a TV test pattern generator with wireless model The components in assemble circuits not difficult, can transmit signal in wireless are video and audio As horizontal line. Along with tone. Using the power of just one 9V battery. This circuit is very suitable for TV repairman orThose who want to test that your […]


 Mini function generator circuit using ICL8038

Thursday, October 3rd, 2013

This is a function generator circuit using IC-number of ICL8038.(Precision Waveform Generator/ Voltage Controlled Oscillator) generate the waveform out to us use it, up to 3 model. are Sine wave signal, the triangle, and square wave signals. The output of this circuit is quite realistic, in the waveform. And in this circuit will suggest a […]


 The 100 Hz to 10 KHz square wave generator by Phase Lock Loop IC

Monday, September 30th, 2013

This is a square wave generator, the other circuit one interesting. The CMOS IC is selected to this job will be Phase Lock Loop IC is CD4046 that has Characteristics the setting circuit as Figure 1. Using the voltage control frequency. The voltage that is derived from pin 9 of IC1 voltage adjustment of VR1. […]


 Simple astable multivibrator circuit using CD4047 Cmos IC

Friday, September 27th, 2013

When we say to the an astable multivibrator circuit, Many people will think to Many people think of as the most IC-555. But this time, it is recommended circuit in Figure 1. Which use IC-4047 CMOS with ability of this nature as well. And the advantage is, That output will be a square wave, which […]


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