All About Frequency Synthesis 

OMG, what a professional level of video and presentation and knowledge, good job man, big respect !! Your voice is awesome for teaching, to be listened to.

I love your passion. Please never stop what you are doing. Could listen to you the whole day

Really well-scripted and well-presented video... just what I needed - thanks!

This is great, for years I've been trying to figure out how to get any frequency division. I once make a plotter and had to figure a way to make a vector with numbers that didn't come out even and this is the secret to this also. I will have to try this. TY!

Thank you! Very professional help that an amateur hobbyist can grasp and understand.

THANK YOU MAN!!!! I've been wanting to make an analog fractional pitch shifting pedal for a while now. Now I can!

seriously such a great video, ty for great lecture.

This is explainatory! I mean most of videos on RU-vid dive right into PPL without enough motivation behind. Thanks for your effort!! :)

Great video, worth watching every seconds for refresher of PLL. THANKS!

Best explanation I've found! Thanks!

Finally! I get it now. I knew about fractional N dividers, but couldn’t understand how they work to synthesize frequency.

Well I know more than I did before. I wouldn’t say I know all about frequency synthesis, or PLLs yet. I might need to watch this once a day for a week. Then I’ll lock in an answer. See you then.

I don't know why it came up to me but I was truly amazed by the easy friendly kind explanation of this video. I'll really try to buy chips from Maxim whenever possible.

This is amazing content. Thanks much!!

Hey could you do a video of the Delay Locked Loop used in GPS systems, and explain the concepts of the Ring Oscillator, Multiplexing process, and Chain/Delay system in it? Thanks

Great video

A ton of knowledge in just 30 mins! 😎 Now I am gonna make my own GHz transceiver.

Thank you for so informative video :)

Excellent video

Great video. Many thanks

7:10 "Such an oscillator is practically unavailable" , Not just practically but 100% impossible. Its literally what the Uncertainty principle of Quantum mechanics is telling us. We can't know the frequency, phase and amplitude at the same time ever. It's basically a mathematical proof showing you never know when you are at peek Amplitude meaning you are never fully sure of what your frequency is as you need to know when the wave starts to go back down before you could even begin to know its frequency and the greater you know one value the less you know about the other. Its actually a pretty cool piece of math when you really understand it in the right terms.

That's a very good video, thanks you for the info.

Wow this is great.

Give a medal 🥇 to the narrator

Congratulation for 240p resolution!

Thank you.

ITS GREAT..!!

Excellent!!

Awesome knowledge source

Hi guys, I don't understand - what if our VCO is limited to producing only a narrow range of frequencies - say 910-920 MHz. Since we always take our output from the output of the VCO, no matter what we do inside the loop, the range of frequencies that can be generated is only 910-920, right? So the divide by N circuit would not be able to produce say a 300 MHz signal if I set N=3?

Looks like jitter will be quite obvious if fractional divider is used?

I stumbled in as someone interested in making sounds and or music with electronics. Both the term clock and oscillator make sense to me for these purposes.

24:34 Can you tell some examples of such prescalers? Are there any parts that one could buy for a certain range of frequencies?

It would have been much helpfull with a real eksample with logic-circuit representation istead of the one used

you can truly seen the analog in the video.

💗

I see you start the vid with a demo of a analogue pll then quietly switched to a digital pll

Nice content any higher resolution for this?

What about DDS ?

if we re using flip-flops/counters for frequency division, for odd frequencies how will we get 50% duty-cycle clock

Well explained, Can you send me the PowerPoint file, I need to do a presentation on PLL, and all my knowledge about this topic were combined in one single video that is yours, so I'm wishing your approval to send it to me

Great content, just a shame it was only uploaded at 240p.

11:17

Why two signals are 90 degrees out of phase?????

not very clear explaination