Talk:Squegging

Include a main header JDgeek1729 (talk) 04:16, 8 November 2013 (UTC)

Squegging article

The squegging article is rewritten. Please check and remove the tag. AndreAdrian (talk) 14:38, 1 May 2014 (UTC)

After four years, I removed the confusing tag. AndreAdrian (talk) 09:11, 10 December 2018 (UTC)

I'm not sure it's any better. It drops straight into applications in the lead, before attempting to explain what it does. Also it still refers to stability conditions very early on, but doesn't clarify what that means, or how it affects the oscillator.

Readers will come to this article with some knowledge, and without other knowledge. I think we can assume an understanding of oscillator and oscillation, sensivity (of a receiver) and damping (of an oscillator), but no more than that. Stability criteria would be outside this.

I think the article lead needs a rewrite, and it needs a body. At present there's either no lead, or no body, depending on how one judges the first para. The brief second para is too brief, but clearer and has a coherent point to it. The first though is a drop-box of everything, making it incomprehensible.

The lead should describe that:

• It's an oscillator
• Its loop gain varies
• Its loop gain oscillates too (the "oscillates at two frequencies" aspect).
• The usual effect is to produce the motorboat signal, where the output is a 'chirp' of repeated pulses. In many cases this would be an unwanted oscillation, to be avoided (i.e. squegging is a fault mode in amplifiers, not a deliberate circuit design), in others it's useful.
• This effect can be used to make non-CW oscillators, thus recognisable signal, with a minimum of parts, mass and power consumption, thus useful for trackers.
• It's also useful in receivers, when damped out. The super-regen circuit used it to automatically increase gain until it just avoided tripping into oscillation.

Andy Dingley (talk) 11:13, 10 December 2018 (UTC)