Phase Locked Loop (PLL) Basics (061)

Phase-Locked Loops, or PLLs, are everywhere!
In this video I will be giving you a walk through what a Phase-Locked Loop is and what makes it work.
I will describe each of the building blocks that make up a PLL:
* Phase Detector / Comparator/Detector
* Loop Filter
* Voltage Controlled Oscillator (VCO)
* Feedback path including dividers
* Other additionsL Pre-scalars & Post-scalars
================================
LINK to download the *FREE* LTSPICE program:
www.analog.com/en/design-cent...
LINK to the LTSpice Model Files:
drive.google.com/file/d/1uBK-...
Time Markers for Your Convenience
----------------------------
00:05 Introductory Comments
01:27 What is a Phase-Locked Loop (PLL)?
02:51 The Basic Block Diagram
04:33 The Function Blocks
04:37 The Phase Comparator/Detector
05:28 Type I Phase Comparators
05:45 Digital Phase Detector: XOR
08:41 Analog Phase Detector: Two Types
09:15 The Balanced Mixer
12:03 Sample & Hold Method
14:57 Type II Phase Comparators: Digital
17:20 The Loop Filter
19:07 The VCO
20:59 The Feedback Path
22:38 Other Additions: The Pre-scalar & Post-scalar
24:04 Final Comments and Toodle-Oots
-----------------------------

[@Jystify]

Thank you, sir, for your extensive knowledge. May God continue to Bless your soul.

[@eie_for_you]

You are very welcome, my friend! ... and He has blessed us over and over again. 🙂

[@aidanabregov1412]

Thank you for going the extra mile and providing resources to help us learn after the video!

[@eie_for_you]

You are very welcome! 🙂

[@W1RMD]

I've got a lot to learn! Thanks for taking me outside my comfort zone. (were growth happens)

[@eie_for_you]

Ya know ... I've been an electronics engineer for a LOT of years now and I am still learning! The trick is ... never stop learning! 🙂

[@andres-vi1uy]

I love your transitions, very well explained and interesting to watch

[@eie_for_you]

Thanks, man! 🙂

[@youseficpedia]

very well explained.

[@eie_for_you]

Thank you! 🙂

[@alejandrotavolini1044]

Excelente video !!! Gracias !! Saludos desde Argentina -

[@eie_for_you]

Gracias y de nada. Saludos desde Dubuque, Iowa! 🙂 (translation compliments of Google translate.) I am glad you enjoyed the video! 😀

[@juliojaciuk5191]

VERY GOOD...!!

[@eie_for_you]

Thanks! 🙂

[@FrozenMilkOnACloudyDay]

Awesome, ty

[@eie_for_you]

You are very welcome! 🙂

[@lautaroleonn]

BTW I use the digital plls from silabs(skyworks now). Amazing sub ps jitter. And the dev boards are cost effective for lab applications.

[@eie_for_you]

That's cool! 🙂

[@t1d100]

Do you have a link for a DIY 10MHz lab reference, using an OSC5A2B02 OCXO, a Skyworks PLL and an Arduino? Please. I have a MC4044 in stock.

[@ishakkellou2136]

Hello , thanks , i have a question please , can we say that PLL does not need to use the A/D converters which is a high advantage, because we don't have sampling and quantization error in the measurment of phasor , frequency or any other power system parameters ?

[@eie_for_you]

A/D converters are not required in a PLL as I have laid this out in my video. In their initial inception, they were not digital entities, but 100% analog. 🙂

[@ishakkellou2136]

@@eie_for_you thank you

[@eie_for_you]

@@ishakkellou2136 You are very welcome! 🙂

[@ornithopterindia]

👍 Dear sir please teach as modulus prescaler (divide by 64/65) used in vhf etc . Thank you sir.

[@eie_for_you]

I can add this to my video queue. Thank you for the suggestion. 🙂