Bipolar Pulse Counter (CB6616E)

Found in an Electronic Design, this circuit makes use of general-purpose bipolar transistors. The circuit can be adapted to operate at lower voltages

| Clique na imagem para ampliar |

Debouncer (CB9277E)
This circuit was found in a 1967 American documentation. The switching diode (tunnel) used is an...
741 Preamplifier with Balanced Output (CB13673E)
This circuit was found in a 1975 documentation. Operational amplifiers must have a symmetrical source and...
Tunable Fourth Order Filter with the 741 (CB13710E)
The diagram shown was found in a 1975 active filter manual. The tuned frequency range depends on...