Thanks for watching. For more Oscillator Design and OpAmp examples please see: Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html Full-Wave Rectifier circuit example ua-cam.com/video/DJJMNU-CYcg/v-deo.html Sawtooth Waveform Generator design with OpAmp, JFET, BJT ua-cam.com/video/5zHXTx-Vl20/v-deo.html Diode-Amplifier VTC is analyzed in ua-cam.com/video/vpGZkafxMJM/v-deo.html For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html I hope these analog circuit examples and videos are interesting and helpful.
You are welcome Tristan. Thanks for watching and your interest in this channel. Glad that you like my videos. I hope your question is resolved after watching the video. For more OpAmp examples please see: Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html Full-Wave Rectifier circuit example ua-cam.com/video/DJJMNU-CYcg/v-deo.html Diode-Amplifier VTC is analyzed in ua-cam.com/video/vpGZkafxMJM/v-deo.html For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html I hope these analog circuit examples and videos are interesting and helpful.
Thanks for watching. Glad that this Sawtooth Oscillator Circuit Video is interesting. For more examples please see: Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html Logarithmic Amplifier Circuit Design with Op Amp and BJT transistor ua-cam.com/video/DUlugLSroN8/v-deo.html Op Amp Amplifier with Electronic Gain Control ua-cam.com/video/NoNgQpbj77Y/v-deo.html Wilson Current Mirror Design ua-cam.com/video/LfbfJYrovN0/v-deo.html Thermometer Circuit Design with Op Amp & BJT transistor ua-cam.com/video/55YsraFE0rg/v-deo.html Programmable Current Source Design with Op Amp, Zener Diode and Digital Potentiometer ua-cam.com/video/R1x6B0TczWk/v-deo.html Analog Logarithm Computer ua-cam.com/video/RpKEq5WyoLg/v-deo.html On-Chip BJT Current Source Design ua-cam.com/video/Rs7gEMk03dw/v-deo.html Instrumentation Amplifier with Electronic Gain Control ua-cam.com/video/C4tghZ-q6Zs/v-deo.html Op Amp Analog Computer Differential Equation Solver ua-cam.com/video/ENq39EesfPw/v-deo.html I hope these additional examples are interesting as well. 🙋♂
I always enjoy your videos. You know the material well, and present it in an easy to understand and clear way. I do however not have any idea about what your next video will be about at all. And the jump is big. Can I ask you give an outline of a series, for example op amp filters, and then number the videos in the series. Run many series in parallel of course. This way I can search and find a set of videos on a topic I am interested in, and also know what the complete plan is for a series of videos. Thanks for your effort.
Thank you for watching and for your comment. Your feedback is very helpful. Glad also to hear that you enjoy my videos 👍. To better understand the best way to realize what you suggested, please let me know if you go to my Circuit Playlist (link below to 150+ circuit videos) does UA-cam let you search for example for "Filter" in that playlist? And if that search is allowed then do you see the relevant Filter Circuits ? Is it helpful with regard to what you are looking for (I mean getting to a specific set of topic that you like) ? Is that what you are looking for? And regarding the upcoming video, does it help if I post a poll question asking what audience like to see as the next video? Here is the link to my Circuit Video Collection Playlist: ua-cam.com/video/2eUsGPfqbW4/v-deo.html Please let me know and I will do my best. 🙏
You're welcome. Thank you for watching and your interest. Glad that you like this Sawtooth Oscillator video. For more examples please see: Triangle Waveform Generator ua-cam.com/video/JF5Up_cuL9k/v-deo.html Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html Full-Wave Rectifier circuit example ua-cam.com/video/DJJMNU-CYcg/v-deo.html Diode-Amplifier VTC is analyzed in ua-cam.com/video/vpGZkafxMJM/v-deo.html For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html I hope you like these Analog Circuits as well. 🙂
You're very welcome! Glad that this video is helpful. More Oscillator Videos are posted in ua-cam.com/play/PLrwXF7N522y4ee_0GL2EdguM-kLtJPxpU.html which is the Oscillators & Signal Generators videos playlist.
Great video. A small objection: not using a current limiting resistor at the output of opamp 3 will lead to high currents through the diode as the amp wants to drive its output to the rail voltage. Should the opamp contain no overcurrent protection, won't this lead to premature failure of the diode and opamp?
Thanks for watching and sharing your thoughts. Glad that you liked this Sawtooth Signal Generator video. You have a good practical point. Having a typical 100 Ohm current limiting resistor at the output of operational amplifier is generally a safe and recommended practice. Otherwise Op Amp selection should be carefully done so that there is an internal max current protection included in the design of output stage of the op amp. Here are a few more Oscillator Design and OpAmp Circuit examples: Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html Sawtooth Signal Generator design with OpAmp, JFET, BJT Transistors ua-cam.com/video/5zHXTx-Vl20/v-deo.html Hope you find these examples interesting as well.
Man, I want to try this. I built a saw tooth Gen using transistors, but the output is too low, when trying to amplify I end up with a Square wave or nothing, (impedance). The sawtooth and the amplification of this sawtooth is my Nemesis. I have been sweating bullets for a while now. My Oscilloscope demands this!
Thanks for watching. Glad this Sawtooth Oscillator Circuit Design video is useful. For more Oscillator Design examples please see below (I hope you get the chance to try these circuits 🙋♂) Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html I hope these analog circuit examples and videos are interesting and useful. Thanks again.
Discharge time was calculated as 4ns, how did you get 4*tau as discharge time again. Please, I also don't understand the role of r2 and c2 as a filter the circuit.
Thanks for watching and your follow-up question. In simple RC circuit, Voltage of capacitor charged or discharged via resistor is governed by an exponential relationship in the general form of Vc(t) = Vc(final) +(Vc(0) - Vc(final))*exp(-t/(RC)) where RC is time constant (Tau) and we can roughly assume that capacitor voltage reaches the steady state in ~ 4*RC (if the state of circuit does not change). For more circuit examples please see the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html I hope this explanation and these analog circuit examples and videos are helpful.
Thanks for watching and your follow-up question. As explained at 19:40 and shown on the time-domain plot, the N-Channel JFET turns on at that moment and practically short V2 to zero. I hope this clarification is helpful. 🙏
Thanks for watching and asking question. Sure, watch the video at 4:40 and you see that the value of resistors shows up in the denominator of the BJT transistor's base current formula. So the lower resistor, the lower the denominator and hence the higher the base current. I hope this explanation is helpful.
You're welcome. Thanks for watching. For more examples please see Voltage Regulator Design with Zener Diode, Op Amp & Darlington BJT with Current limiting Foldback feature ua-cam.com/video/RFfRrbqM_-s/v-deo.html I hope it is interesting and helpful.
@@carearayam Hi Carlos, Glad that you've enjoyed my circuit videos, and thanks a lot for your encouraging comment and interest. Sure, I've been working on TWO books 🙂. My first book should be available on Amazon in a few months. My second book should also be ready early next year. I'll post announcements in my channel as soon as either of the books is available. Thank you again for your interest and inquiry. 🙏 In the meantime, please see the ua-cam.com/play/PLrwXF7N522y4ee_0GL2EdguM-kLtJPxpU.html Oscillators videos playlist for more interesting oscillator circuits.
Select a JFET with Ron on the order of 20 to 40 ohm, and with peak Ids current of > 250mA. Select NPN BJT with hfe or beta of >50 and peak current of 2A. Select OpAmp as a Zero offset or very low offset FET Op Amp. See more examples in the ua-cam.com/play/PLrwXF7N522y4ee_0GL2EdguM-kLtJPxpU.html Oscillators videos playlist.
Thanks for watching. For more Oscillator Design and OpAmp examples please see:
Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html
Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html
Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Full-Wave Rectifier circuit example ua-cam.com/video/DJJMNU-CYcg/v-deo.html
Sawtooth Waveform Generator design with OpAmp, JFET, BJT ua-cam.com/video/5zHXTx-Vl20/v-deo.html
Diode-Amplifier VTC is analyzed in ua-cam.com/video/vpGZkafxMJM/v-deo.html
For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html
I hope these analog circuit examples and videos are interesting and helpful.
Hi.. i have miss understood why Vg = V3 but im at 10:30 so i may get a clearer view by the end.. thanks for all the videos.
You are welcome Tristan. Thanks for watching and your interest in this channel. Glad that you like my videos. I hope your question is resolved after watching the video. For more OpAmp examples please see:
Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html
Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html
Full-Wave Rectifier circuit example ua-cam.com/video/DJJMNU-CYcg/v-deo.html
Diode-Amplifier VTC is analyzed in ua-cam.com/video/vpGZkafxMJM/v-deo.html
For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html
I hope these analog circuit examples and videos are interesting and helpful.
That is how we make PWM in analog era. then i learn PIC and never use again, but a had a lot of fun time playing with
Thanks for watching. Glad that this Sawtooth Oscillator Circuit Video is interesting. For more examples please see: Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html
Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Logarithmic Amplifier Circuit Design with Op Amp and BJT transistor ua-cam.com/video/DUlugLSroN8/v-deo.html
Op Amp Amplifier with Electronic Gain Control ua-cam.com/video/NoNgQpbj77Y/v-deo.html
Wilson Current Mirror Design ua-cam.com/video/LfbfJYrovN0/v-deo.html
Thermometer Circuit Design with Op Amp & BJT transistor ua-cam.com/video/55YsraFE0rg/v-deo.html
Programmable Current Source Design with Op Amp, Zener Diode and Digital Potentiometer ua-cam.com/video/R1x6B0TczWk/v-deo.html
Analog Logarithm Computer ua-cam.com/video/RpKEq5WyoLg/v-deo.html
On-Chip BJT Current Source Design ua-cam.com/video/Rs7gEMk03dw/v-deo.html
Instrumentation Amplifier with Electronic Gain Control ua-cam.com/video/C4tghZ-q6Zs/v-deo.html
Op Amp Analog Computer Differential Equation Solver ua-cam.com/video/ENq39EesfPw/v-deo.html
I hope these additional examples are interesting as well. 🙋♂
I always enjoy your videos. You know the material well, and present it in an easy to understand and clear way. I do however not have any idea about what your next video will be about at all. And the jump is big. Can I ask you give an outline of a series, for example op amp filters, and then number the videos in the series. Run many series in parallel of course. This way I can search and find a set of videos on a topic I am interested in, and also know what the complete plan is for a series of videos. Thanks for your effort.
Thank you for watching and for your comment. Your feedback is very helpful. Glad also to hear that you enjoy my videos 👍. To better understand the best way to realize what you suggested, please let me know if you go to my Circuit Playlist (link below to 150+ circuit videos) does UA-cam let you search for example for "Filter" in that playlist? And if that search is allowed then do you see the relevant Filter Circuits ?
Is it helpful with regard to what you are looking for (I mean getting to a specific set of topic that you like) ? Is that what you are looking for?
And regarding the upcoming video, does it help if I post a poll question asking what audience like to see as the next video?
Here is the link to my Circuit Video Collection Playlist: ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Please let me know and I will do my best. 🙏
I also posted a poll asking to vote for a topic of interest. I hope it is helpful.
@@STEMprof Thanks, I will look at it.
Thank you so much. Subscribed
You're welcome. Thank you for watching and your interest. Glad that you like this Sawtooth Oscillator video. For more examples please see: Triangle Waveform Generator ua-cam.com/video/JF5Up_cuL9k/v-deo.html
Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html
Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Full-Wave Rectifier circuit example ua-cam.com/video/DJJMNU-CYcg/v-deo.html
Diode-Amplifier VTC is analyzed in ua-cam.com/video/vpGZkafxMJM/v-deo.html
For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html
I hope you like these Analog Circuits as well. 🙂
Great lecture. Thank you!
You're very welcome! Glad that this video is helpful. More Oscillator Videos are posted in ua-cam.com/play/PLrwXF7N522y4ee_0GL2EdguM-kLtJPxpU.html which is the Oscillators & Signal Generators videos playlist.
Great video. A small objection: not using a current limiting resistor at the output of opamp 3 will lead to high currents through the diode as the amp wants to drive its output to the rail voltage. Should the opamp contain no overcurrent protection, won't this lead to premature failure of the diode and opamp?
Thanks for watching and sharing your thoughts. Glad that you liked this Sawtooth Signal Generator video. You have a good practical point. Having a typical 100 Ohm current limiting resistor at the output of operational amplifier is generally a safe and recommended practice. Otherwise Op Amp selection should be carefully done so that there is an internal max current protection included in the design of output stage of the op amp. Here are a few more Oscillator Design and OpAmp Circuit examples: Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html
Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html
Sawtooth Signal Generator design with OpAmp, JFET, BJT Transistors ua-cam.com/video/5zHXTx-Vl20/v-deo.html
Hope you find these examples interesting as well.
Man, I want to try this. I built a saw tooth Gen using transistors, but the output is too low, when trying to amplify I end up with a Square wave or nothing, (impedance). The sawtooth and the amplification of this sawtooth is my Nemesis. I have been sweating bullets for a while now. My Oscilloscope demands this!
Thanks for watching. Glad this Sawtooth Oscillator Circuit Design video is useful. For more Oscillator Design examples please see below (I hope you get the chance to try these circuits 🙋♂)
Sawtooth Oscillator Design ua-cam.com/video/2eUsGPfqbW4/v-deo.html
Triangle Oscillator Op Amp circuit ua-cam.com/video/JF5Up_cuL9k/v-deo.html
Complex Sinusoid Oscillator ua-cam.com/video/GXRhmwmS5Zk/v-deo.html
For more circuit examples please check the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html
I hope these analog circuit examples and videos are interesting and useful. Thanks again.
Discharge time was calculated as 4ns, how did you get 4*tau as discharge time again. Please, I also don't understand the role of r2 and c2 as a filter the circuit.
Thanks for watching and your follow-up question. In simple RC circuit, Voltage of capacitor charged or discharged via resistor is governed by an exponential relationship in the general form of Vc(t) = Vc(final) +(Vc(0) - Vc(final))*exp(-t/(RC)) where RC is time constant (Tau) and we can roughly assume that capacitor voltage reaches the steady state in ~ 4*RC (if the state of circuit does not change). For more circuit examples please see the circuit videos playlist: ua-cam.com/play/PLrwXF7N522y4c7c-8KBjrwd7IyaZfWxyt.html
I hope this explanation and these analog circuit examples and videos are helpful.
19:41 what causes V2 to turn back to 0V?
Thanks for watching and your follow-up question. As explained at 19:40 and shown on the time-domain plot, the N-Channel JFET turns on at that moment and practically short V2 to zero. I hope this clarification is helpful. 🙏
@@STEMprof thank you i sort of understand now
@@rudygomez6996 You are welcome. Glad that the explanation was helpful.
But why u calculated Ib max when the variable resistor on min value and Ib min when the variable resistor on max value?
Thanks for watching and asking question. Sure, watch the video at 4:40 and you see that the value of resistors shows up in the denominator of the BJT transistor's base current formula. So the lower resistor, the lower the denominator and hence the higher the base current. I hope this explanation is helpful.
@@STEMprof thanks!
You're welcome. Thanks for watching. For more examples please see Voltage Regulator Design with Zener Diode, Op Amp & Darlington BJT with Current limiting Foldback feature ua-cam.com/video/RFfRrbqM_-s/v-deo.html
I hope it is interesting and helpful.
I wonder if there is a book where all these types of circuits with opamps are collected
Thanks for watching & your interest. My book with all my circuits will be published sometime next year :)
@@STEMprof wow I can't wait to buy it. Congratulations for the channel and its contents
@@mancio92M thank you very much for your support and interest. I appreciate. Glad that you like the content and videos. 🙋♂️
Hi, I AM interested in tour book. Is it for sale, now? By the way, super great videos I have enjoyed them a lot.
@@carearayam Hi Carlos, Glad that you've enjoyed my circuit videos, and thanks a lot for your encouraging comment and interest. Sure, I've been working on TWO books 🙂. My first book should be available on Amazon in a few months. My second book should also be ready early next year. I'll post announcements in my channel as soon as either of the books is available. Thank you again for your interest and inquiry. 🙏
In the meantime, please see the ua-cam.com/play/PLrwXF7N522y4ee_0GL2EdguM-kLtJPxpU.html Oscillators videos playlist for more interesting oscillator circuits.
you named every part except the transistor and intergraded circuits so no we cant build it with lack of information
Select a JFET with Ron on the order of 20 to 40 ohm, and with peak Ids current of > 250mA. Select NPN BJT with hfe or beta of >50 and peak current of 2A. Select OpAmp as a Zero offset or very low offset FET Op Amp. See more examples in the ua-cam.com/play/PLrwXF7N522y4ee_0GL2EdguM-kLtJPxpU.html Oscillators videos playlist.