Electronics Articles Archive
Difference between logic analyzer and spectrum analyzer
There is a difference between logic analyzer and linear spectrum analyzer Logic analyzer Spectrum analyzer It is used for the trouble-shooting of digital systems. It is used for the frequency domain analyzer of various systems. Logic analyzer
Construction of photoconductive cells
It is based on the principle that the resistance of certain semiconductors materials decreases when they are exposed to radiations. In others words such material have high dark resistance and low irradiated resistance. The photoconductive cell is
Advantages, disadvantages and application of crystal oscillator
There are some important advantages of crystal oscillator are given below, The crystal oscillators have very high frequency stability. The crystal oscillator is possible to obtain very high precise and stable frequency of oscillators. It has High
Advantages and disadvantages of RC phase shift oscillator
There are some important advantages of RC phase shift oscillators are given below, It is useful for frequencies in the audio range. Simplicity of the circuit. They have a wide range of frequency. The RC phase shift
Difference between successive approximation type DVM and linear ramp type DVM
There is a difference between successive approximation type DVM and linear ramp type DVM Successive approximation type DVM Linear ramp type DVM Unknown voltage is successfully compared with the output of digital to analog converter. Unknown voltage
Difference between amplifier and oscillators
The main differences between amplifier and oscillators Amplifier oscillators Amplifier is an electronic circuit which gives output as amplified form of input. Oscillator is an electronic circuit which gives output without application of input. The amplifier does not
Block diagram of programmable logic controller (PLC)
The block diagram of programming logic controller (PLC) is shown in above figure. The PLC has following basic sections are, Processor section (CPU) The processor section is brain of PLC which consists of RAM, ROM, logic solver
Need of programmable logic controller (PLC) in automation
PLC is used in the fully automated industries or plants or process, the actual processes handled and controlled by the controllers which are nothing but the programming logic controllers that means PLC plays a very important role
How miller sweep circuit is work?
The miller circuit is also known as by the name of miller integrator. Above figure shows the circuit of the miller sweep circuit or miller integrator. The transistor Q1 act as a switch and transistor Q2 is
Advantages and disadvantages of digital voltmeter over analog voltmeter
There are some advantages of digital voltmeter are given below, It can be programmed. So controlling by computer is achieved. Digital voltmeter has automatic range selection. A digital voltmeter gives good stability. It provides better resolution. For