60 Hz Sine Wave Generator Using 555 Timer & LC Tank Oscillator
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- This electronics video tutorial explains how to design a 60Hz sine wave generator using a 555 timer and a LC tank oscillator circuit. The frequency of the square wave produced by the 555 timer must match the resonant frequency of the LC tank circuit in order to produce a sine wave at the output.
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Very nice lesson - well-explained and very clearly illustrated.
For those commenters taking issue with the pronunciation of “potentiometer”:
Our tutor is saying poe-ten-shee-oh-METER. In the US, the accent usually is on “OM”, like poe-ten-shee-OM-it-ur.
Comparing US to UK pronunciations for words spelled the same, lots of times the stress is put on a different syllable, depending upon which country you’re talking about. Citizens in each country think that the folks “over there“ talk funny. Both are correct.
To convert from one pronunciation to the other, either multiply or divide by the cube root of your age TIMES four pi R squared TIMES 1/2 the temperature in degrees Kelvin DIVIDED BY the fine structure constant TIMES the date in SI units; where “R” is the actual measured radius in furlongs of the left front tire of your father’s Oldsmobile at noontime when parked in the shade at the intersection of the prime meridian and the Tropic of Capricorn on the 29th of February during a leap year that ends in zero.
Try it for yourself. If you take “toe-MAY-toe” and perform this operation on it, your result should very closely resemble “toe-MAW-toe”. You can expect some minor variation depending upon the length and thickness of the experimenter’s vocal cords, and his or her or their gender.
(NOTE: due to the extreme difficulty of determining this value experimentally, linguists typically use a mutually agreed-upon compromise value.)
Am really really great full for your analysis and simple to earth explanation. Have been searching to just get the basis of how and why the components came about,and now for all this while got it. Thankful. Looking forward to more lessons from your end.
a 288mh inductor would be HUGE.
Hi, You are doing great explaining math when using electronics.
But, what if a much more simple solution does exist since ages?
What about an AC synchronous 555 based 60Hz frequency generator if that fits the needed accuracy/stability?
See the "Electronic experimenters handbook" issue winter of 1976.
Page 112/113 has an ac synchrounous clock generator.
It is running from backup battery when AC is missing in case of power outage.
great sir
Great video
Hmm 4pi sq ?
Isn’t that redundant?
{2pi x F}sq x L same same but less brackets on my Texas instrument.
What side effects occur by trading off C for L ? i.e. you could use a 10 mH inductor and 704 uF cap to get 60 Hz, according to the equation. Does something unstable happen to the wave if the C value gets too large? I'm wondering why you decided on such a large inductor at the beginning of the design.
the same as i was thinking
This is a interesting approach to the isolator circuit. I like that the math and application does not add up...
And everyone relies on math being right.....
Have you tried running the monostable circuit?
The astable circuit can use a msa a13j, and you oils want a diode for the inductor spike.
Shame I can't reply with a photo... I made one last week...
For the questions on sinewave inverting for power supplies egs2000 has what is needed.
With this circuit, you would use this as a driver to run the high power npn switches (MOSFET), but you would or could make the s wave, using a MCU as this could be tuned with scripted waves and compensation, rather than a feedback, which would be required(when there is a load).
9 month later and still nothing . his mathimatics did not work properly so its time toget busy soldering and manually tunning it .....….what else
this video is super helpful... thank you so much
Your math is wrong *sarcasm*... someone step me through 4pi squared * 264 squared * 96.7*10x-3
4xpi sq = 39.47841760436263 TIMES 264 sq = 69696 TIMES .0967
= 266068.8696172987
1/^^^
= 3.75842540857318 x10-6 you were off by .0015746 x 10-6f
HA! J/k good vid
Serious question though, when you end up with 2.44 x 10-5 that is 244,000, and you want it represented as micro F, which is 10to-6? Isn't 244,000 .244 meg, not 24.4 meg? Is it because it is micro and not meg?What am I missing here. Doesn't the change of 2.44x10-5F to a scale of mF mean it is .244*10-6 or .244mF, not 24.4 mF? .244 is closer to your 10 mF capacitor than 24.4 is (.756mF less vs 14.4 mF more)
I'm in serious need of help as I am trying to build my own circuit and this math threw me off.
**Edit** duh, you multiply .0000244 * 1,000,000 and you end up with 24.4 mF. I don't know why I was struggling with this.
thats 9v+ up and 9v- max sinewave right? if you add another amlifier circuit could it affect the output ? @TheOrganicChemistryTutor
The centre pin of the pot Rb is shorted to the outside pin? They appear to join in the diagram
I just try this to get 60 hz and the 13 k potentiometer and 2.2 k resistor never come closely to 62 hz more like 250hz I had to use. 50potentiometer and 32k resistor to get 50 and 60 hz
Yeah how many turn to make 288 mH inductor? have you ever built this?
Is there no other way to get rid of the "L" component? ... and why it is needed? Isn't the "L" creating back EMF and it does resonating, resetting the timer constantly at given frequency given in mH?
WIth out this inductor you would end up with a sort of shark fin looking wave.
Can we make any frequency wave using this above 60hz
thanks for sharing the valueable information.
I would like a ic555 circuit that uses 12v voltage. 50hz frequency. I want to make an inverter to use
264hz
288
What about
0.00002
F
?
Thanks for including the 555 config could be handy regards.
Ic 4047 pure sine wave plase 50hz
The Organic Chemistry Tutor I have a business inquiry
how can we get 50hz frequency
The low pass LC circuit presumably has a slow roll-off potentially allowing a small amount of higher harmonics from getting into the output. Can someone remind me what to add to sharpen the roll-off curve?
This circuit unloaded will reach peaks around 120Vpp
Hello sir..It's a great tutorial. Can I use this out put frequency to make a pure sine wave inverter?
Ye a video of how to make a 1000w amplifier for this signal would be nice :p
@@manipulativer comooon u can just use 2 to 6 transistors to super amplify the signal in simulator it worked
Can I use a mini motor as need 10V 60Hz?
So just fiddle with a bunch of pots until you get close enough. Now let's see the math for a 60 Hz square wave at 50% duty cycle.
288mH and 10uF provides 93.83 Hz
So nice
I like the electronics math lately good stuff
Think
Think
Great video. Im curious though...why would anyone want to do this ?😂 like what is the purpose of making this
1 step to converting battery power/ solar energy into mains(wall socket) electricity.
Besides what Craig said, I use it to generate specific sine wave sound frequencies through a speaker that act as an important pipe resonator in a project I'm creating.
It can be used for i verters mainly from 5V 60HZ TO 220V 60HZ AC/DC ANY U LIKA .......
So how would i use the signal to turn 120v battery to 6hz
Cc
It does not work
I tried it in ltspice and also manually i done and checked
You're like Khan Academy but better
Nice explanation. Could I use a computer to send a frequency thru an old port, using software to drive IGBT's?
sir can i use this for HF range to get sine wave
Sir, can I use this with and ir2110 to achieve a pure sine wave inverter? If yes, how is the connection going to be between pin 3 of the 555 timer and pin 10 and 12 of the 2 ir2110?
Ty just what I was looking for lol. Greatnjob
Um to as, why not Ra = 0, Rb = 1200 and C1 = 10uf ?
I could be wrong but the 555 timer doesn't operate when Ra isn't functional at 0 Ohms
R1=54.8+45.2
am happy you made this
sir Can I use this formula for 12v ??
Thank you
👍👍👍👍❤️
Easy and awesome circuit , great
Ok, so how do I do this with eurorack?
nice tutorial
great
Habrá alguien te habla hispana que le funciona el circuito resonador de onda senoidal pura en 60hz AC
Si es así por favor diga me si le funcionó para hacer mediciones y comprar materiales y no perder tiempo y dinero puesto que cada cosa vale dinero
anyone able to find a 280 mh inductor?
perhaps it's too late, but remember inductances add when connected in series
you could try and make your own with a ferrite core
Think
Great video - would this work for really low frequency (ie
Yes; easily possible. Just use a higher capacitance like from an electrolytic capacitor with the required value.
@@nullbeyondo Yeah. Use two 2.2 microfarad capacitors back-to-back in the filter, and about a 330 mH inductor in place of the resistor in the RC LPF. You might need to experiment with the inductor Q value to minimize distortion (harmonic) in the sine wave. An alternative to designing a filter is to drive a class c amplifier consisting of a MOSFET with a high Q tank circuit, proceeded by a source follower MOSFET. You will need to supply negative rail to one side of the load, and positive rail to the tank circuit. Then connect the other side of the load to the MOSFET source. If you need a more accurate frequency, however, I would recommend a phase-locked-loop oscillator instead of the 555.
Great video. Just curious Is this video for chemical instrumentation (or other chemical discipline) or are the electronics videos meant mainly for electronics students.
Good demo.