4-band converter (T1317E)

This 4-waveband converter circuit was found in Radio Craft September 1948. The power supply is not given, but the supply voltages are indicated.

| Clique na imagem para ampliar |

Regenerative pulses for playback (CB7304S)
This circuit used in tape recorders was found in an Electronic Design. The components support...
LED Driver with the UAA180 IC (CB21892E)
We found this range of LEDs with the UAA180 in the 1976 Siemens Integrated Circuits manual. The...
Intercom (CB22488E)
This two-station intercom was found in documentation from 1966. R4 should be experimentally...