Broadband Amplifier (CB6126E)

This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time but admit modern equivalents.

| Clique na imagem para ampliar |

Bar or Moving Point LM3914 (CB17538E)
In the figure we have the way to use the LM3914 as a scale of bar LEDs or moving point. The...
3 Channel Transistor Mixer (CB1289E)
We found this circuit in a European publication of the 1980s. The transistor could be the BC549. The...
Continuity Tester (CB16894E)
We found this simple continuity tester in a 1995 documentation. It uses two LEDs to indicate...