Buck converter with the LT1074 (CB4397E)

This circuit is from the 1993 Linear Technology Applications. The circuit has a 5 A output. The components used are uncommon today.

Self-timer (CB4456E)
This circuit can keep a set of lamps on for up to 1 minute, time given by C2 and R2 that can be...
Frequency to voltage converter (CB6032E)
This converter can be used to send information remotely from linear transducers, converting voltages...
Guitar Preamplifier using the 741 (CB4429E)
The circuit shown uses the 741 operational amplifier, but lower noise and higher gain equivalents...