Talk:Ring oscillator

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A single inverter does not provide enough phase difference for the ring oscillator to oscillate (Nyquist criterion of stability)

• Does the physical size of the ring affect this? --64.232.164.46 19:18, 3 July 2006 (UTC)

[edit] Loop time matters

Given a sufficiently long connection between the output and input, a single gate structure will oscillate. For a TTL logic gate the rise time is only a few nanoseconds so it will take a couple feet of wire to create enough phase difference between in and out. —The preceding unsigned comment was added by 192.128.134.68 (talk) 21:03, 19 January 2007 (UTC).

[edit] Applications?

Why would anyone go through the trouble of fabricating one? — Omegatron 01:51, 28 April 2007 (UTC)

They're commonly used in PLLs, which are an important part of many current high-speed chips. 153.96.171.70 (talk) 18:38, 16 January 2008 (UTC)