# Author: Sasmita

## Secret of Learning Electronics From The Founder of Electronics Post

Secret of learning electronics is after all is not a secret at all & you’ll realize this very soon. It is not that only a very few people understand the …

Transistor Lead Identification There are three leads in a transistor ; collector, emitter and base . When a transistor is to be connected in a circuit, it is necessary to …

## Maximum Efficiency for Class B Power Amplifier

Maximum Efficiency for Class B Power Amplifier We have already seen in our previous article about class B  power amplifier that a push-pull circuit uses two transistors working in class B …

## Maximum Collector Efficiency of Transformer Coupled Class A Power Amplifier

Maximum Collector Efficiency of Transformer Coupled Class A Power Amplifier In class A amplifier , the load can be either connected directly in the collector or it can be transformer …

## Maximum Collector Efficiency of Series-Fed Class A amplifier

Maximum Collector Efficiency of Series-Fed Class A amplifier Fig.1 shows a series-fed class A amplifier . This circuit is rarely used for power amplification due to its poor collector efficiency …

## Describe Different types of Electrical Waveforms.

Electrical Waveforms In our previous tutorials of  Oscillator , we saw that an oscillator is an electronic circuit used to generate a continuous output signal usually in the form of a sinusoid …

## Multiple Choice Questions and Answers on Antenna & Wave Propagation

1)   What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? a. 1 m – 10 m b. 1 cm – 10 cm c. 10 …

## Multiple Choice Questions and Answers on VLSI Design & Technology

1)   The utilization of CAD tools for drawing timing waveform diagram and transforming it into a network of logic gates is known as ________. a. Waveform Editor b. Waveform Estimator c. …

## Multiple Choice Questions and Answers on Integrated Circuits

1)   Which among the following is/are the feature/s characteristic/s of an integrated op-amp? a. Small size b. High reliability c. Low cost & less power consumption d. All of the above …

## Multiple Choice Questions and Answers on Mobile Communication

1)   The modulation technique used for mobile communication systems during world war II was a. Amplitude modulation b. Frequency modulation c. ASK d. FSK ANSWER: Frequency modulation 2)   ———– introduced Frequency Modulation …