New loop antenna circuit (HA Loop)

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m_a_x
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Joined: Sat Sep 13, 2014 10:13 pm

New loop antenna circuit (HA Loop)

Post by m_a_x » Tue Jul 07, 2020 3:22 am

A new wideband loop antenna circuit appeared on Ebay and Aliexpress sold for about $12-15.
I wonder what is the ic used.
https://www.aliexpress.com/item/4001164141206.html
https://www.aliexpress.com/item/4000987524088.html
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