Sawtooth generator 555 (CB21229E)

This circuit was found in a Popular Electronics from the 90s. The frequency is given by R2 and C1.

| Clique na imagem para ampliar |

Power Supply from -16 V to +16 V x 2 A (CB1190E)
This interesting source, obtained in a 2001 catalog, can vary the output voltage between -16 and...
20 Hz to 200 Hz Variable High Pass Filter 4558 C (CB15207E)
The LS4558 integrated circuit is a double 741. The filter response curve is given next to the...
100 Hz High Pass Filter (CB14423E)
This filter is from the Linear Applications Handbook of the National Semiconductor of 1994....