Up to 50 MHz trigger (CB21479E)

This Schmitt trigger in current mode for frequencies up to 50 MHz was found in a 1969 Motorola manual. Appropriate switching transistors can be used.

| Clique na imagem para ampliar |

Bistable (CB22280E)
This flip-flop or bistable was found in a publication about transistors from the 60's. The circuit...
Phono preamplifier LM387 (CB24941E)
This preamplifier circuit for magnetic cartridges was found in the March 1986 Radio Electronics magazine....
100 kHz Oscillator (CB21556E)
This oscillator was found in a book on transistors from 1954. The transistor is from the time, and...