Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Cursitor Doom Newsgroups: sci.electronics.design Subject: Re: Yttrium iron garnet Date: Wed, 29 May 2024 17:12:21 -0000 (UTC) Organization: A noiseless patient Spider Lines: 13 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 29 May 2024 19:12:21 +0200 (CEST) Injection-Info: dont-email.me; posting-host="3e46153d5b3066d07fa4107a672bc40d"; logging-data="1304621"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18isYwozy1GWEdzbD70C2pGF5WUnTWyvy4=" User-Agent: Pan/0.149 (Bellevue; 4c157ba) Cancel-Lock: sha1:edcFo+AAYV9MPqhvfT5N+TKpMr8= Bytes: 1540 On Wed, 29 May 2024 13:52:34 +1000, Bill Sloman wrote: > Yttrium iron garnet tuned oscillators were around back then, but their > 2GHz to 8GHz range was too high for me to count with the integrated > circuits around then - we had to go the Gigabit Logic's GaAs parts to > get to 800MHz, and that became the unique selling point of the system. YIG oscillators were quite the thing back in the day, but I'm guessing they've been completely superseded by now to get to ever higher frequencies. Seems we've gone from - R/C to L/C to Xtal to YIG since about 1900. Did I miss any development(s) out pre-YIG?