This high-impedance headphone circuit was found in a 1990s William Sheets. The power is low, but the high input impedance makes it useful for radio applications.
This second mixer version is an improvement on CIR10339 using independent FETs for the inputs. The number...
The deviation of characteristics of this circuit normally referred to the temperature is very low....
This modem circuit using a 4046 PLL was found in the October 1994 issue of Electronics Now. The...