Why is there no sine wave oscillator chip? [closed]
2016年8月31日 · The problem with an exact analog signal generator is the necessary amplitude regulation. A little bit less amplification and the signal slowly disappears, a little bit to much and …
What's the easiest/cheapest variable-frequency sine wave …
2010年8月8日 · Other techniques can be used to convert a square wave thus generated into a sine wave. Here's a circuit diagram to show the concept: This circuit includes a configurable …
How to design a cheap sine-wave generator up to 200 MHz?
2016年10月28日 · I want a simple sine wave over a wide frequency range. I don't want to use a DDS IC like the AD9851 because it's expensive and feels like overkill. I was looking at the …
Generating high frequency sine wave (up to 100MHz)
2020年7月14日 · This generator should be able to sweep through a range of frequencies and the range would be 150 KHz to 80 MHz. the sweep rate is not more than 1.5*10^-3 decades/s. …
operational amplifier - Sine Wave Generator Circuit - Bipolar ...
2018年1月10日 · I'd start by powering both op-amps with bipolar supplies, something like +/- 9 volts. This gives enough supply overhead to produce a sensible output level of a 5 volt peak …
driver - Driving 50W-250W ultrasonic transducers with sine: Any …
2012年10月10日 · My project needs to drive a medium power ultrasonic piezoelectric transducer from a sine wave (/ sawtooth) sweep generator that sweeps +/- 2% of the transducer resonant …
filter - How to build a circuit that generates a sine wave ...
2016年4月7日 · What I am working on is building a 555-timer circuit that gives 50% duty cycle square wave, then using a low-pass or band-pass filter tuned to the frequency of the square …
Active signal generator IC for 100kHz [closed]
2015年2月3日 · DDS has replaced all the function generator IC's. You can make a triangle wave and then try to shape it. (There are some diode /transistor shaper circuits, none are very …
Generating PWM from rectified sine wave using 555
Generating PWM from rectified sine wave using 555. I want to generate a PWM signal from a rectified sinus wave similar to the image below using 555 timer IC. I have designed the circuit …
output - Low frequency low voltage Sine wave generator
2015年4月30日 · I want to build a low frequency (around 10 Hz) and low voltage (about 3V) sine wave generator to drive an electro magnet. It would be very helpful, if you can suggest few …