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A comment on Looking inside a vintage Soviet TTL logic integrated circuit. Parent comment

Re:Looking inside a vintage Soviet TTL logic integrated circuit by jcims on Monday March 16, 2020 @10:42PM (#22601032)
Very cool. Second die down is a pretty neat UWB transceiver that is build for real-time location services using multiple strategies (TDoA, ToF, etc). Looks like a little of that rf black magic on the right.
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Re:Looking inside a vintage Soviet TTL logic integrated circuit by Gibbon1 on Tuesday March 17, 2020 @01:28AM (#22601999)
The blue highlighted circular structures I believe are rf inductors.
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