Comparisons

The crucial difference between JFET and MOSFET is that in JFETs, the conductivity of the channel is controlled by the electric field across the reverse-biased PN junction. Conversely, in MOSFET, the conductivity of the channel is controlled by transverse electric field across the insulating layer deposited on the semiconductor material. When we talk about the operating principle and characteristics then the two are almost similar. Although some aspects differentiate the two. MOSFET is … [Read more...] about Difference Between JFET and MOSFET

The major difference between amplifier and repeater is that an amplifier amplifies the weak signal and the noise associated with this signal also gets amplified. On the contrary, the repeater does not amplify the noise signal. Although a receiver also consists of an amplifier in it but apart from this it also possess a signal reshaping circuit which reshapes the distorted signal and amplifies the undistorted signal. One may think why these amplifiers and repeaters are used in electronic … [Read more...] about Difference between Amplifier and Repeater

The main difference between demultiplexer and decoder is that a demultiplexer is a combinational circuit which accepts only one input and directs it into one of the several outputs. On the contrary, the decoder is a combinational circuit which can accept many inputs and generate the decoded output. The demultiplexer has selection lines to allow the input to follow one of the selected paths for generating it at the output. The decoder does not possess any selection lines as it has nothing to … [Read more...] about Difference between Demultiplexer and Decoder

The crucial factor which differentiates amplifier and oscillator is its usage. The amplifier is used as a multiplier circuit which is used for increasing the intensity of weak signal while the oscillator is used as a source in an electronic circuit. The main use of oscillator is for waveform generation. Another crucial term which makes the two components different is the type of feedback. The feedback used in the amplifier is negative feedback while the feedback used in the oscillator is … [Read more...] about Difference between Amplifier and Oscillator

The major difference between RC and RL circuits is that the RC circuit stores energy in the form of the electric field while the RL circuit stores energy in the form of magnetic field. The RC circuit is formed by connecting a resistance in series with the capacitor and a battery source is provided to charge the capacitor. The RL Circuit is formed by connecting a resistance with an inductor and a battery source is provided to supply the current to the inductor. Another significant … [Read more...] about Difference between RC and RL Circuit

The major difference between DC voltmeter and AC voltmeter is that the DC voltmeter measures the peak value of DC voltage while AC voltmeter measures the RMS value of AC voltage. Another significant factor which differentiates DC voltmeter and AC voltmeter is their working principle. The DC voltmeter selects a particular voltage and attenuates the rest of the range of voltage and then amplifies the selected voltage and passes it to PMMC meter. AC voltmeter uses a rectifier before amplifying … [Read more...] about Difference between DC Voltmeter and AC Voltmeter

The main difference LED and LCD is that the LED works on the principle of electroluminescence i.e. it generates light due to recombination of electron and holes while LCD do not generate light of its own but control the light energy and modify it in such a way that some area of the display screen appears bright while some areas appear dark. Although, LED and LCD both are the types of the display device but the brightness level of LED is more than that of LCD. The power requirement is also one … [Read more...] about Difference between LED and LCD

Online UPS and Offline UPS are the two crucial types of UPS. Both supply power to the device in case of power outage. But the similarities end here. The main difference between Online UPS and Offline UPS is that the Online UPS provides the power with the help of rectifier and inverter combination. It simultaneously provides power to load as well as the battery so that battery can be charged to supply power in case of power failure. On the contrary, an Offline UPS supplies AC power directly to … [Read more...] about Difference between Online UPS and Offline UPS

The major difference between diode and photodiode is that a diode is a semiconductor device which conducts when it is forward biased while the photodiode conducts in reversed biased mode. The conduction in the diode is possible due to the voltage applied externally, while the conduction in the photodiode is possible only when it is illuminated by the light source. Another important difference between diode and photodiode is that a diode cannot work when it is reversed biased, i.e. no current … [Read more...] about Difference between Diode and Photodiode

Amplitude Modulation and frequency modulation, both are the type of transmission techniques for transmitting information from sender to receiver. But the similarities between the two ends here. Amplitude modulation involves the modulation of the carrier signal according to the amplitude of the baseband signal. However, the frequency and phase of the carrier signal will not be changed. On the contrary, frequency modulation involves the modulation of the carrier signal according to the … [Read more...] about Difference between Amplitude Modulation and Frequency Modulation