Flat response amplifier CIR16474S CB9390E (CB9390E)

This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today.

TSA Angle Magnetic Sensors Series - TDK
TDK's TAS Series Magnetic Angle Sensors can be obtained from Mouser Electronics. The components...
Medium Wave Transmitter (CB21736E)
Found in Popular Electronics of January/February 1969, this transmitter has a few meters range and can...
SCS Basic Alarm (CB6081E)
This General Electric circuit was found in a 1964 documentation. The circuit triggers a relay when...