TV Modulator (CB20773E)

This circuit for the VHF band of analog TV was found in Motorola documentation from the 70s. The integrated circuit used is uncommon today.

| Clique na imagem para ampliar |

SCR Test Circuit (CB17037E)
This circuit makes the simple test of SCRs that have a low maintenance current, with those of the...
Push Pull stage OC19 (CB18855E)
This counterphase output step was obtained in a Japanese magazine of 1957, a time when the...
Programming the Duty Cycle (CIR101E)
The previous oscillators that use gatesshown in this section, and the 4093 in the basic version,...