Prescaler

A prescaler is an electronic counting circuit used to reduce a high frequency electrical signal to a lower frequency by integer division.

Read more about Prescaler:  Example of Use, Nomenclature

Other articles related to "prescaler, prescalers":

Frequency Synthesizer - Practical Considerations
... more commonly, using a fast initial division stage called a prescaler which reduces the frequency to a manageable level ... Since the prescaler is part of the overall division ratio, a fixed prescaler can cause problems designing a system with narrow channel spacings - typically encountered in radio ... This can be overcome using a dual-modulus prescaler ...
Dual-modulus Prescaler - The Solution
... The solution is the dual modulus prescaler ... Both dividers are clocked from the output of the dual-modulus prescaler, but only the output of the N divider is fed back to the comparator ... Initially, the prescaler is set to divide by M + 1 ...
Dual-modulus Prescaler
... A dual modulus prescaler is an electronic circuit used in high-frequency synthesizer designs to overcome the problem of generating narrowly-spaced frequencies ... The modulus of a prescaler is its frequency divisor ... A dual-modulus prescaler has two separate frequency divisors, usually M and M+1 ...
Prescaler - Nomenclature
... A prescaler is essentially a counter-divider, and thus the names may be used somewhat interchangeably ...
Dual-modulus Prescaler - Example
... Today, most dual-modulus prescalers exist inside of PLL chips, making it impossible to probe actual signals during operation ... The first dual-modulus prescalers were discrete ECL devices, separate from the PLL chips ... Here is an example of a dual-modulus prescaler in use ...