The TAA865 integrated circuit used in this 1986 project is no longer common today. The circuit is a documentation of the time and the time is given by RC that has indicated the maximum values.
This oscillator produces a signal with a central frequency in 1 MHz. This frequency can be...
This circuit was found in an Electronics Now of the 80s applying to NiCad batteries of the time....
This configuration, which does not have a very high Q, uses a 741 operational amplifier, but other...