The circuit shown in the figure below is from the 1993 Linear Technology Applications. The operational ones used are uncommon and the use of equivalents can be analyzed.
This circuit was found in 1968 General Electric documentation. The circuit uses components from the era...
This 1989 circuit generates horizontal bars on the screen of an old analog television. The circuit...
Analog Devices ADuCRF101 Wireless Data Acquisition System Now at Mouser February 24, 2015 - Mouser...