We found this circuit in the March 1992 Radio Electronics magazine. The circuit provides 100 Hz for each degree Celsius or Fahrenheit.
The figure shows how to implement a filter against interference caused by the switching of a...
This receiver, whose tuning range depends on L1 and L2, was found in the 1992 special edition of...
This circuit is from 1999 documentation and the indicated power is PMPO for a load of 4 ohms. Two...