This astable multivibrator was obtained from a Mullard documentation from 1960. The components depend on the used transistor and on the frequency, as shown in the table next to the diagram.
This circuit is from American documentation from the 90s. The transistor is general-purpose and...
In the MEMs line of the ST available on Mouser Electronics we highlight the MP23AB01DH audio...
This circuit produces horizontal lines or bars in a analog TV tuned between channels 2 and 5. L1...