This circuit was found in the January 1999 issue of Electronics Now magazine. The circuit uses an integrated circuit from the period and has earphone listening.
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...