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 Band rejection filter circuit using TL071

Wednesday, July 23rd, 2014

The band rejection filter circuit is not wide filter that can denial the frequency up to 60dB by we used the TL071 single chip op-amp it is very low distortion and work good at output to maximum to 100kHz or the range 1Hz to 20kHz In the circuit we defined three resistors R1,R2,R3 are like […]

 How to soldering is easy

Wednesday, July 23rd, 2014

Friends say that Electronic Project I presented is not working. But any project in The Our Electronics Projects Tested through the creation of me. Therefore guarantee that the It certainly worked. When I was a beginner. Most projects does not working because my solder joint is bad. As Figure below. It may cause an electric […]

 65W Power Amplifier Class AB by LF351 ,TIP3055 and TIP2955

Monday, July 21st, 2014

I like mini power amplifier less 100W because it is low cost nad easy to make project. The 65W Amplifier Class AB,I use main part electronics are IC LF351 and thansisror two part TIP3055 and TIP2955. The LF351 is a low cost high speed JFET input operational amplifier. The TIP3055 and TIP2955 are small size […]

 Power Amplifier OCL 70 watts using IC-741, 2N3055

Monday, July 21st, 2014

Younger brothers and sisters a student takes an interest to build electronics project sends a teacher. I then choose this circuit , because build easy be valuable certainly. It is Main Power Amplifier Circuit 70Watt RMS sizes are model OCL Class AB. Use pillar equipment be IC 741 and Transistor 2N3055,MJ2955 a little this equipment […]

 Simple LED torch using single AA 1.5V Battery

Monday, July 21st, 2014

Many people like this circuit It is surprising 1.5V battery can drive LED light, but some say that the circuit not work. Today I would like to introduce simple LED torch circuit which also use single AA 1.5V battery. But there are fewer parts. Such as we use one transistor only. And all other parts […]

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