I really enjoy the simplicity and the amanzing stability! Bad stability was the ghost of all my fm transmitters in my all life! Thanks to share it! So i love walkie talkies to play!
Everything is ok. Just you need a load capacitor on the two sides of the crystal. 22pF would be the best choice... And also you should use 27Mhz crysral...Because 27Mhz band is licence free in India Big fan❤
Watched the walkie talkie and got inspired. Saw this video's thumbnail and said to myself, isko dekho kya Dimaag hoga, wo banda ready made circuit daal diya, then I see its you again..... Maafi Subscribed 🙏
Bro i will make this circuit. it will work for only 20 cm with antenna. what can i do ? I will use 3.7 v it transmmit for 20 cm only and when i used 5 v it transmmit 1 meter. how it work for 500 meter plese help me .my diagram is correct connection are correct how to increase range
I love your videos, and I respect the time and effort you put into this work, I do have a difficult time with your accent but I noticed if I slowed down the video, your words come out easier to understand. Most of the time I can understand you because I know electronics very well and can easily figure out your description and tutorial from context alone, I look forward to your next project on the science of electronics and pieces of artwork...I use the noun 'Art' because, with all of your particular projects, there is a strong element of presentation and aesthetics.
I've been searching for a long time looking for something that I could represent for electronic school project at integrated life skill subject,,, thank you, Et Discover,,,, I think I have discover my new helper,,,, 🤗🤗🤗🤗
Nice video. SW and MW are both amplitude modulated. But just changing the crystal to FM range doesn't make it frequency modulated. Don't you also need to change the circuit topology?
no. when you connect audio input straight to the base of the modulating transistor to which base the crystal is connected it does both amplitude and frequency modulation at the same time, at least that's my observations.
@@maalos I just rewatched the video. I'm going to double-down on my assertion that this will NOT work to broadcast FM. If you watch the video, the only place you can hear audio from the transmitter (you hear the whistle of acoustic feedback) is when he has it tuned to an AM band. However, you hear dead silence (or rather noise from touching the circuit, nothing coming from the condenser microphone) when tuned to an FM band. This makes perfect sense since a stable carrier on either AM or FM produces dead silence on the receiver. There is nothing in the circuit that will cause the frequency deviation required to produce FM. What you maybe observing is a deviation of the sidebands when audio frequency changes from the input microphone, but that is NOT FM. Measure the output of that transmitter on a spectrum analyzer and I bet you will see a strong carrier in the center of two smaller sidebands. Even if you can hear something on the receiver when set to FM, it will probably come through very weakly and is a result of AM getting injected into the circuit because you have the transmitter sitting next to the receiver. EDIT: I watched part 2. He doesn't transmit anything but noisy, crackling, EMF which will show up an all bands and modulations. You don't need a transistor to broadcast that, you just need a wire and a battery! I'm calling BS on this entire project!
Great job buddy. Kafi kuch naya sikhne mila. Kya aap ye video Hindi me bna sakte hai. Mujhe apne Students ko ye sikhane ke liye chahiye. Vo abhi itna ache se English bhi nahi jante hai.
great video!! now even a cat can make a 12khz transmitter!! next episode : how to transmit 12khz transmission for hundreds of miles with 1000watt amplifier and make you own broadcast station....
6:31 you dont even connect the other leg of the crystal to anything else then how is it transmitting to FM range . Also when can we expect the part 2 to come ?
I think he didn't have suitable crystal at the time, so he just showed the principal. As far as I know available 2 terminal oscillators are up to 48Mhz. Usually 24 or 48Mhz crystals are used as they have harmonics on 96Mhz (FM band). Unfortunately this was not said on a video and might confuse someone. Also you have to deal with harmonics and signal on main oscillator frequency.
@@Arkliobybis Oh now i understand so basically if i use a 48Mhz crystal because of the harmonics i will be getting the same signal on the 48mhz frequency and 96mhz frequency only with the different amplitude right?
Plese make it with soldering and component information like othere channel plese give more detail about diagram and sodering full video of this circuit
There are many difference between damped oscillation and resonance. Resonance frequency is the natural frequency of an oscillating object which used to make undamped oscillation. Example Swing.
Nice video ..can i build it on a breadboard and the frequency will not be affected ? Can a digital radio receive this signal ? If yes how the sound will be and how can i transmit digital signals?
Finally! Someone who explains how fm transmitter works, tysm!
You are best bro, first e ami bhebe pachhilam na 12MHz crystal er transmitter radio te kivabe catch korbe. Keep it up.awaiting 4 the 2nd part.
Thank you, ❤️😀
Didn't knew transmitter is so easy to make👌
I really enjoy the simplicity and the amanzing stability! Bad stability was the ghost of all my fm transmitters in my all life! Thanks to share it! So i love walkie talkies to play!
Very clean design for having no pc board. This shows what you can do with very little money and lots of imagination.
Everything is ok.
Just you need a load capacitor on the two sides of the crystal.
22pF would be the best choice...
And also you should use 27Mhz crysral...Because 27Mhz band is licence free in India
Big fan❤
He was transmitting on very low power and as there was no antenna I'll say it's totally legal under personal use.
একদম
Hi does capacitor value has to be exactly 22pF or I can use other values?
Super bro , it's really awesome
it seems that et discover looks like great scott 3
Great Scott & Et Discover is my favorite channel, but I like electronics
This video is helpful to understand 3 type of frequency transmission
FM
SW
AM
Actually those are modulation types 😇
modulation means way of mixing sound with radio wave.
Mannnnnnnnnn the only perfect tutorial for walkie talkie i have ever seen
I am desperately waiting for part 2
You seems inspired by Greatscott!
Or he is inspired by you
I don’t think, But this is a Great Guy
I think so.
Ik think so.
Both are providing great tutorials.
Are you from america..
I want to make it on pcb for my channel. Provide circuit diagram..
Nice! I wish to make a transmitter like this. I'm going to try this!
Next part
Mee 2
Also
@@EtDiscover sir when u will upload next part.
Watched the walkie talkie and got inspired. Saw this video's thumbnail and said to myself, isko dekho kya Dimaag hoga, wo banda ready made circuit daal diya, then I see its you again.....
Maafi
Subscribed
🙏
I will wait for the part 2, keep strong 😄👍🏼
Khub informative chilo bro. I love it..... 👍 👍
Thank you
oh my god.... I've been watching your channel since your previous walkie talkie..... this one made me subscribe
Waiting for part 2! Thx =)
Can this transmitter transmit on fm frequency
Your are bast explain in every video 🙂
I love the fact that you keep scratching the scale with your screwdriver :D
❤️
Can i make two transmitter like this for making walkie talkie?
thank you. waiting for next part,
from bangladesh.
Coming soon, welcome
Thanks bro waiting for next part 😍😍😍
❤️
Great scott😏
Keep it up brother🌼
I think you are inspired by great scott well done🔥👏👏
Bro i have 4 pin quartz crystal what i do
Only you needed normal crystal,
Eagerly waiting for the 2nd part , please upload soon ....
Can i make two transmitter like this for walkie talkie
Bro i will make this circuit. it will work for only 20 cm with antenna. what can i do ? I will use 3.7 v it transmmit for 20 cm only and when i used 5 v it transmmit 1 meter. how it work for 500 meter plese help me .my diagram is correct connection are correct how to increase range
Bro i have real walkie talkie(damage) circuit which component i will use
If you have enough knowledge of carrier frequency then you can do it
Well explained 👏👏👏👍
U ARE ON THE NXT LVL !!!!!! AMAZING VIDEO !!!
Is it possible to replace the Bc548 with a 2n2222 or 2n3904 transistors ?
Yes bro use any npn transiator
It's the best explanation
Sir this VIDEO was very knowledgeable and inspiring.🙏🙏🙏🙏🙏🙏
Nice work bro. Looking forward to the 2nd part
Coming soon
your explanation is good and easy to understand
Sir it really works thanks for making this video
Welcome , 😉 Enjoy
You're like a paralell universe great scott
Your tutorial is the best
Very nice 👍👌😊 bhai
Thanks 🤗
Bhai my channel m.k.r electronic
Good Grow up
Bhai aap surat
Waiting for part 2, thanks
Coming soon
You are pro man 💥🔥
Love video brother so much 💖💟💖💖
❤️
Which MHz crystal ar used in Last seen of this video (High MHz crystal) ?
Very good video, very well explained
I love your videos, and I respect the time and effort you put into this work, I do have a difficult time with your accent but I noticed if I slowed down the video, your words come out easier to understand. Most of the time I can understand you because I know electronics very well and can easily figure out your description and tutorial from context alone, I look forward to your next project on the science of electronics and pieces of artwork...I use the noun 'Art' because, with all of your particular projects, there is a strong element of presentation and aesthetics.
Love you from Bangladesh.
❤️
Why You will used 4.7k and 3.3k resistors on mic section instead of 5.6k and 22k like in circuit diagram?
Don’t worry, This is strongest circuit diagram, or you can call it fine tune diagram,
Amazing! So simple. :)
I've been searching for a long time
looking for something that I could
represent for electronic school project at integrated life skill subject,,,
thank you, Et Discover,,,,
I think I have discover my new
helper,,,,
🤗🤗🤗🤗
Great Video man.
Super!!!
Im waiting for the second part.
Your second channel link for hindi channel in the description is not working.
Wow et discover you improved youre mic quality 😍
Thank you,
thank you sir. now I am understand how to bias & use crystal ☺
❤️
Nice video Brother. Thank you. But it will be best if you attach a receiver with it.
Please wait for next part
Wow it nice and well explained 😘😘
Nice video. SW and MW are both amplitude modulated. But just changing the crystal to FM range doesn't make it frequency modulated. Don't you also need to change the circuit topology?
I wish he can explain his reasons on this.
no. when you connect audio input straight to the base of the modulating transistor to which base the crystal is connected it does both amplitude and frequency modulation at the same time, at least that's my observations.
@@maalos I just rewatched the video. I'm going to double-down on my assertion that this will NOT work to broadcast FM. If you watch the video, the only place you can hear audio from the transmitter (you hear the whistle of acoustic feedback) is when he has it tuned to an AM band. However, you hear dead silence (or rather noise from touching the circuit, nothing coming from the condenser microphone) when tuned to an FM band. This makes perfect sense since a stable carrier on either AM or FM produces dead silence on the receiver. There is nothing in the circuit that will cause the frequency deviation required to produce FM. What you maybe observing is a deviation of the sidebands when audio frequency changes from the input microphone, but that is NOT FM. Measure the output of that transmitter on a spectrum analyzer and I bet you will see a strong carrier in the center of two smaller sidebands. Even if you can hear something on the receiver when set to FM, it will probably come through very weakly and is a result of AM getting injected into the circuit because you have the transmitter sitting next to the receiver.
EDIT: I watched part 2. He doesn't transmit anything but noisy, crackling, EMF which will show up an all bands and modulations. You don't need a transistor to broadcast that, you just need a wire and a battery! I'm calling BS on this entire project!
Wow you seem to be a genius in this stuff I wish had so much knowledge in electronics thanx 🙏
Great job buddy. Kafi kuch naya sikhne mila. Kya aap ye video Hindi me bna sakte hai. Mujhe apne Students ko ye sikhane ke liye chahiye. Vo abhi itna ache se English bhi nahi jante hai.
Very interesting project... Weldone sir...
Thank you
great video!! now even a cat can make a 12khz transmitter!!
next episode : how to transmit 12khz transmission for hundreds of miles with 1000watt amplifier and make you own broadcast station....
6:31 you dont even connect the other leg of the crystal to anything else then how is it transmitting to FM range . Also when can we expect the part 2 to come ?
I think he didn't have suitable crystal at the time, so he just showed the principal. As far as I know available 2 terminal oscillators are up to 48Mhz. Usually 24 or 48Mhz crystals are used as they have harmonics on 96Mhz (FM band). Unfortunately this was not said on a video and might confuse someone. Also you have to deal with harmonics and signal on main oscillator frequency.
@@Arkliobybis Oh now i understand so basically if i use a 48Mhz crystal because of the harmonics i will be getting the same signal on the 48mhz frequency and 96mhz frequency only with the different amplitude right?
@@TechInventorAman Yep, that's the theory.
Is it possible to set an antina for higher coverage
CAN WE USE 24MHZ crystal
Sir can I use 2n3904 transistor instead of bc 548
Plese make it with soldering and component information like othere channel plese give more detail about diagram and sodering full video of this circuit
Please wait for next part
You changed my misconception about crystal oscillator.thank you
Welcome
Bro can i use 30 mhz crystal oscillator for more range.,then what chage i need to do in ckt
Yo can
@@EtDiscover do i need to make any change in circuit
very impressive and awesome explianation😊
And your a good teacher
Can i use your pwm signal transmiter in your gear drone
Just you need to modify something in your code
can't wait for the part 2....would you mind to tell how can i increase the range from 500m to above??
Yes this is possible, but this is another subject video
@@EtDiscover you can make a video about that in part 3.
sure why not
Wow.... super. I wanted a walkie.-talkie like this. Great work. Waiting impatiently for part2. I am going to make this.😄
Please wait coming soon
@@EtDiscover when
Nice. Waiting for receiver circuit too. And can we make the crystal variable so thst we can switch channels? In case of interferance?
That’s depending on Crystal, Next part will see the receiver
@@EtDiscover which crystal oscillator you used in FM transmitter.you say higher frequency oscillator but how much does you used for FM frequency?
Sir circuit diagram plese for reciver and also transmitter
Receiver circuit will come in next video
@@EtDiscover when bro Waiting To Make Walkie Talkie
I WAIT YOU FOR THE PART 2 ;D
FROM PERÚ 🇵🇪🇵🇪🇵🇪😎👍
The video gave me a great idea 😁 I will try it and share it with you soon 😌
Nice project thanks for sharing
Thank you
Is it possible to make a remote control car transmitter and reciver using crystals ..?
Is possible then plz tell how.
Plz reply...
That's a very good looking mustash
What you say on the microphone? is sensitive as any other FM transmitter. Can be used to spy?
can i add crystal in series?
Bro...how to tune it to a specific frequency?..considering the legal frequency range for transmission
Just you need to change the crystal For your specific frequency
Can I use 6mhz crystal
Great video,, hope to see part 2 very soon
That,s very nice project we interested to learn more....
Sir, can u make ds138 oscilloscope at home?
Yes I can
What is the value of crystal oscillator you used in fm mode
24mhz
How much crysral use on fm redio ......?
24mhz
There are many difference between damped oscillation and resonance.
Resonance frequency is the natural frequency of an oscillating object which used to make undamped oscillation.
Example Swing.
I have no idea what you're talking about but you sound smart so I'll believe you.
Nice video, such a simple looking circuit. Any chance of a circuit diagram for both the transmitter and receiver in the next video please?
Bro can I use the condenser microphone salvaged from an old Nokia phone. But it is very small compared to the mic you used.
Yes
Sir your video is very nice plz make video on reciever, we are all waiting
desperately waiting for part 2
Please wait coming soon, I am working.
@@EtDiscover Like this is the first electronics video for which i'm waiting for the second part just like another dhoom sequel
Nice project but can we use crystal used in clocks which is 32.768Khz
This is very low frequency, you can Use AM radio frequency like 530khz to 1700khz ,
Nice video ..can i build it on a breadboard and the frequency will not be affected ? Can a digital radio receive this signal ? If yes how the sound will be and how can i transmit digital signals?
Yes you can make it on breadboard, Yes digital radio working on this process, Even the sound will be crystal clear
Can you build a simple receiver like this also?
Please wait for part two
@@EtDiscover i am very interested