Found in 969 documentation, this circuit generates sweep signals from 1 Hz to 100 kHz. The components used are from the period, and equivalents can be used.
For reference only, this is the first IF amplifier stage of a common transistor radio from the...
This circuit from July 1975 Radio Electronics uses any operating system with a symmetrical source....
This setting is valid for other transconductance operational amplifiers. The circuit is from...