4-Quadrant Digital Multiplier (CB24749E)

We found this circuit in the May 1983 issue of Radio Electronics magazine. The integrated circuits are from that time. Note the supply voltage.

| Clique na imagem para ampliar |

Ultra Narrow Band Pass Filter (CB4908E)
This circuit, obtained from the component manual used, has an ultra narrow 1 kHz range given by...
NOR function with Transistor II (CB19891E)
The figure shows how to implement a No – OR or NOR function with 1 general purpose transistor. The supply...
Sound Dynamometer (CB16249E)
According to its author, this device indicates the amount of force applied to the sensors. The...