Sujet : Re: The low distortion oscillator problem
De : bill.sloman (at) *nospam* ieee.org (Bill Sloman)
Groupes : sci.electronics.designDate : 06. Feb 2025, 06:47:10
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vo1id6$2qsi3$1@dont-email.me>
References : 1 2
User-Agent : Mozilla Thunderbird
On 6/02/2025 4:08 pm, JM wrote:
On Thu, 6 Feb 2025 03:58:59 +1100, Bill Sloman <bill.sloman@ieee.org>
wrote:
There have been quite a few postings about 1kHz low distortion sine wave
oscillators.
>
The problem is that if you want a get stable output from a sine wave
oscillator you have to add a non-linear element to control the gain
around the oscillating circuit.
>
You don't'
Counter-example?
Clipping is a non-linear process. The most linear op amp becomes non-linear as soon as its output hits the supply rails.
<snip>
-- Bill Sloman, Sydney