This simple radio was found in a Popular Electronics from the 90s. L1 and L2 have 100 turns on a toroidal core and L1 have a socket on the thirtieth turn.
This precision circuit can be implemented with other operational ones. We found it in a...
We find this circuit in 1975 documentation. The circuit can be used with other operational...
April 2017 - Texas Instruments' new high-precision TMP468 sensor can now be obtained from Mouser...