This 20 MHz bandwidth circuit was suggested by the National Semiconductor in 1970 documentation. Modern equivalent operational can be used.
Using Linear Technology's LTC4252-1, this circuit was found in a 2005 manual. The circuit makes use of...
With this circuit it is possible to select the upper or lower side band on an SSB transmission by...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...