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PLL Phase Detector Error Formula

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PLL error detector is calculated when the phase error detector quantizes the phase difference between the up and down pulses. Check FAQs
ΔΦer=ΔΦin-ΔΦc
ΔΦer - PLL Error Detector?ΔΦin - Input Reference Clock Phase?ΔΦc - Feedback Clock PLL?

PLL Phase Detector Error Example

With values
With units
Only example

Here is how the PLL Phase Detector Error equation looks like with Values.

Here is how the PLL Phase Detector Error equation looks like with Units.

Here is how the PLL Phase Detector Error equation looks like.

4.78Edit=5.99Edit-1.21Edit
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PLL Phase Detector Error Solution

Follow our step by step solution on how to calculate PLL Phase Detector Error?

FIRST Step Consider the formula
ΔΦer=ΔΦin-ΔΦc
Next Step Substitute values of Variables
∴ ΔΦer=5.99-1.21
Next Step Prepare to Evaluate
∴ ΔΦer=5.99-1.21
LAST Step Evaluate
∴ΔΦer=4.78

PLL Phase Detector Error Formula Elements

Variables
PLL Error Detector
PLL error detector is calculated when the phase error detector quantizes the phase difference between the up and down pulses.
Symbol: ΔΦer
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find PLL Error DetectorOpen Variable
Input Reference Clock Phase
Input reference clock phase is defined as a logic transition, which when applied to a clock pin on a synchronous element, captures data.
Symbol: ΔΦin
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Input Reference Clock PhaseOpen Variable
Feedback Clock PLL
Feedback clock pll is a pll that generates an output signal whose phase is related to the phase of an input signal.
Symbol: ΔΦc
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Feedback Clock PLLOpen Variable

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How to Evaluate PLL Phase Detector Error?

PLL Phase Detector Error evaluator uses PLL Error Detector = Input Reference Clock Phase-Feedback Clock PLL to evaluate the PLL Error Detector, The PLL Phase Detector Error formula is defined as the phase difference between two clocks and is converted into 4-bit digital code, to increase the supply current of the charge pump. Phase error detector quantizes the phase difference between the Up and Dn pulses. PLL Error Detector is denoted by ΔΦer symbol.

How to evaluate PLL Phase Detector Error using this online evaluator? To use this online evaluator for PLL Phase Detector Error, enter Input Reference Clock Phase (ΔΦin) & Feedback Clock PLL (ΔΦc) and hit the calculate button.

FAQs on PLL Phase Detector Error

What is the formula to find PLL Phase Detector Error?
The formula of PLL Phase Detector Error is expressed as PLL Error Detector = Input Reference Clock Phase-Feedback Clock PLL. Here is an example- 4.78 = 5.99-1.21.
How to calculate PLL Phase Detector Error?
With Input Reference Clock Phase (ΔΦin) & Feedback Clock PLL (ΔΦc) we can find PLL Phase Detector Error using the formula - PLL Error Detector = Input Reference Clock Phase-Feedback Clock PLL.
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