All Topics  
Clock generator

 
Clock Generator

   Email Print
   Bookmark   Link






 

Clock generator



 
 
A clock generator (also known as a Duncan-ator) is a circuit that produces a timing signal (known as a clock signal
Clock signal

In electronics and especially Synchronous logic digital circuits, a clock signal is a Signalling used to coordinate the actions of two or more Electronic circuit....
 and behaves as such) for use in synchronizing a circuit's operation. The signal can range from a simple symmetrical square wave
Square wave

A square wave is a kind of non-sinusoidal waveform, most typically encountered in electronics and signal processing. An ideal square wave alternates regularly and instantaneously between two levels....
 to more complex arrangements.






Discussion
Ask a question about 'Clock generator'
Start a new discussion about 'Clock generator'
Answer questions from other users
Full Discussion Forum



Encyclopedia


Ics 952018af
A clock generator (also known as a Duncan-ator) is a circuit that produces a timing signal (known as a clock signal
Clock signal

In electronics and especially Synchronous logic digital circuits, a clock signal is a Signalling used to coordinate the actions of two or more Electronic circuit....
 and behaves as such) for use in synchronizing a circuit's operation. The signal can range from a simple symmetrical square wave
Square wave

A square wave is a kind of non-sinusoidal waveform, most typically encountered in electronics and signal processing. An ideal square wave alternates regularly and instantaneously between two levels....
 to more complex arrangements. The basic parts that all clock generators share are a resonant circuit and an amplifier.

The resonant circuit is usually a quartz
Quartz

Quartz is the most abundant mineral in the Earth's continental crust . It is made up of a Crystal structure of silica tetrahedra. Quartz has a hardness of 7 on the Mohs scale and a density of 2.65 g/cm?....
 piezo-electric
Piezoelectricity

Piezoelectricity is the ability of some materials to generate an electric potential in response to applied mechanical Stress . This may Piezoelectricity#Crystal classes of a separation of electric charge across the crystal lattice....
 oscillator
Electronic oscillator

An electronic oscillator is an electronic circuit that produces a repetitive electronic signal, often a sine wave or a square wave.A low frequency oscillation is an electronic oscillator that generates an alternating current waveform at a frequency below ?200 Hz....
, although simpler tank circuits and even RC circuit
RC circuit

A 'resistor?capacitor circuit' , or 'RC filter' or 'RC network', is an electric circuit composed of resistors and capacitors driven by a voltage source or current source....
s may be used.

The amplifier
Amplifier

Generally, an amplifier or simply amp, is any machine that changes, usually increases, the amplitude of a Signal . The "signal" is usually voltage or current....
 circuit usually inverts the signal from the oscillator and feeds a portion back into the oscillator to maintain oscillation.

The generator may have additional sections to modify the basic signal. The 8088
Intel 8088

The Intel 8088 is an Intel x86 microprocessor based on the Intel 8086, with 16-bit registers and an 8-bit external data bus. It can address up to 1 megabyte of random access memory....
 for example, used a 2/3rds duty cycle clock, which required the clock generator to incorporate logic to convert the 50/50 duty cycle which is typical of raw oscillators.

The clock generator in a motherboard is usually changed by computer enthusiasts to control the speed of their CPU, FSB
FSB

FSB may refer to:In technology:*Front side bus, a data bus that carries information between the CPU and components*FMOD Sample Bank ? cross-platform file format containing packed sound samples...
, GPU and RAM
Ram

Ram, ram, or RAM as a non-acronymic wordAs a non-acronymic word Ram, ram, or RAM may refer to:...
.