Block diagram of regulated DC power supply

A fluctuating DC voltage may result in an erratic operation of electronic devices and circuits. In order to avoid poor voltage regulation due to fluctuation in DC voltage, it is necessary to use a voltage regulator circuit

Applications of transformer coupled amplifiers

There are some important applications of transformer coupled amplifier which are given below. The transformer coupled amplifier is commonly used for amplification of RF (radio frequency) signal. It is mostly used for impedance matching between the individual

Advantages and disadvantages of transformer coupled amplifier

There are some advantages of transformer coupled amplifier which are given below, The transformer coupled amplifier provides a higher voltage gain than that of R.C. coupled amplifier. There is loss of signal power in the collector or

Advantages and disadvantages of center tapped full wave rectifier

There are some advantages of center tapped full wave rectifier which are given below, The ripple factor is much less than that of half wave rectifier. The rectification efficiency is twice  than that of a half wave

Difference between RC filters and LC filters

RC filters LC filters The RC filter is only useful for small load currents. The LC filters are useful for heavy load currents. More power dissipated in RC filter. Less power dissipated in LC filter. It has

Sources for electronic circuits

Every electronic circuit requires some source of energy for its operation. The electrical energy may be supplied either in the form of a voltage or current. The electrical device which supplies the electrical energy required for the

Applications of point contact diode

The point contact diodes are certainly continued to be of great importance of some time to come. Some of their characteristics are very desirable for certain applications. There are some important applications of point contact diode which

Advantages and disadvantages of RC coupled amplifier

There are some advantages of RC coupled amplifier which are given below, It used the resistor and the capacitor which are not expensive so the cost is low. The circuit is very compact and extremely light. The

Difference between choke input (L type) filter and capacitor input (π type) filter

Choke input (L type) filter Capacitor input (π type) filter It is suitable for light and heavy loads. It is suitable for only light loads. The ripple factor is poor. The ripple factor is better. It has

What is electrical network?

The interconnection of electrical components like resistors, inductors, semiconductors devices, transformers and sources of e.m.f. is called as a network. The network consist a closed loop, which provides return path for the current. A network may contain