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Class A Power Amplifier
by Tarun Agarwal 3 days ago

Class A Amplifier Circuit Working and Applications

We have already discussed, the classes and classifications of power amplifiers in our earlier articles. The power amplifier circuits are used to deliver high power to drive the loads likes loudspeakers. The power amplifiers are classified...

Difference Between PAM,PWM and PPM
by Tarun Agarwal 1 month ago

Difference Between PAM, PWM and PPM

In a communication system, the modulation is an important step. Modulation is the process of transmitting a message signal (Baseband signal with low frequency) from transmitter to receiver without changing its characteristics (like amplitude,...

Optical Sensors
by Tarun Agarwal 6 months ago

Optical Sensor Basics and Applications

An optical sensor converts light rays into an electronic signal. The purpose of an optical sensor is to measure a physical quantity of light and, depending on the type of sensor, then translates it into a form that is readable by an integrated...

Mobile Jamer
by Tarun Agarwal 1 year ago

Tutorial on How Mobile Phone Jammer Works

The GSM mobile jammer is a device which transmits the signals to the same frequency. The jamming section is successful when the area of the mobile phone signal is disabled if the jammer is on. The first jamming device was developed and...