Reference voltage source (CB8799E)

Found in a 1967 Ferranti documentation, this regulator makes use of an operational amplifier of the time. The output current is only 5 mA.

| Clique na imagem para ampliar |

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...
DC Motor Control (CB20442E)
This motor control using transistors was found in a recent English publication. The circuit is for...
Decoder for stereo TV (CB8505E)
This circuit from a 90s Popular Electronics, decodes the old analog TV signal. It works with a...