741

The high pass filter circuit is a high frequency filter, only through it. In this circuit we are use operational amplifiers IC 741 number, it is allows this circuit has a lot performance,and has cut off frequency precise. Despite the possibility of multi-circuit filter,With different levels of growth and differentiation of a roll back in [...]

This circuit can be used to measure the voltage to 15 volts.Using the current from the battery 9 volt,At 23 mA only. Input circuit has a diode, to protect the Return terminal. And input impedance of the circuit, were more than 1 M ohm. Heart of the circuit is op – amp number 741.Which acts [...]

This tone control circuit. A circuit design feedback tone control. This helps the smooth bass voice circuit and a rate increase – reduction of the signal at 18 dB. The power supply circuit is used from 12-24 volt and Shine Power consumption is 10 mA. The audio input is entered through the C1 coupling to [...]