Generator sygnału sinusoidalnego z żarówką 💡 (~1.5Hz -- ~0.6MHz) [mostek Wiena, TL072]

Wien bridge oscillator with a filament lamp as an automatic gain control (AGC). 🔔 1-8 layer PCBs from $2, get $60 coupons here: https://jlcpcb.com/?from=PMW Sine wave oscillator built with TL072 (you can also use TL074 or a faster IC). Frequency adjustable in the range ~1.5Hz -- ~0.6MHz. Also, adjustable amplitude and a value of an added constant component. 💝 If you like what I do you can buy me a coffee: https://buycoffee.to/mlwojcikowski 🌟 Help me grow my channel by subscribing: https://www.youtube.com/@mlwojcikowsk... Videos about operational amplifiers: 📽 Operational amplifiers, part 1:    • Wzmacniacz operacyjny - jak działa?  (częś...   📽 Operational amplifiers, part 2:    • Wzmacniacz operacyjny - jak działa? (część...   📽 Supply for op amps:    • Wzmacniacz operacyjny - zasilanie [ podsta...   0:00 Introduction - presentation of an oscillator 3:48 Gluing the bulb. Automatic Gain Control (AGC) 4:36 Oscillator from the previous video (with LM358) 5:27 Oscillator diagram 6:32 Wien bridge oscillator 8:12 Two videos 8:44 How it works. Non-inverting amplifier and band-pass filter 11:18 Barkhausen stability criterion 12:39 Filament lamp as AGC 14:15 Frequency formula 14:59 Breadboard problems 16:47 Positive feedback 17:44 Slew rate. Buy original parts only. 18:46 In the future video #MarcinŁWójcikowski #electronics #analogelectronics