3 ms·
I've always heard this technique referred to as a "Tayloe converter" (or "Tayloe mixer"), and it is commonly seen in SDR radios. I believe this is the original
by dpifke 4y ago
I've always heard this technique referred to as a "Tayloe converter" (or "Tayloe mixer"), and it is commonly seen in SDR radios.
I believe this is the original article from the 90's which popularized the idea: https://norcalqrp.org/files/Tayloe_mixer_x3a.pdf https://norcalqrp.org/files/Tayloe_mixer_x3a.pdf [PDF]
- topspin 4y agoThe formal name used nowadays (one of them, anyhow) is Quadrature Detector. It's a scheme so elegant that grasping the simple mechanics of it demystifies some of the core concepts of Signal Processing. The QEX series "A Software-Defined Radio for the Masses"[1] is usually offered as the work that popularized this approach. The Motorola patent[2] that cites Dan Tayloe as inventor expired in 2018 [3]. [1] https://sites.google.com/site/thesdrinstitute/A-Software-Defined-Radio-for-the-Masses https://sites.google.com/site/thesdrinstitute/A-Software-Def... [2] https://patents.google.com/patent/US6230000 https://patents.google.com/patent/US6230000 [3] https://www.eevblog.com/forum/rf-microwave/patent-expiration-tayloe-mixer-quadrature-sampling-detector/ https://www.eevblog.com/forum/rf-microwave/patent-expiration... It's quite the rabbit hole and if you dive in you'll end up with a HAM license and a workshop full of instruments and soldering tools.