A New Noise-Gated AGC and Sync System for TV Receivers-Part II

Spracklen and Stroh have presented intriguing possibilities for tv receiver circuits, and their Fig. 8 illustrates how the job could be done using two dual-control pentodes. However, work was not stopped at this point but full advantage of some additional possibilities was taken, and the result is a new tube family, the 6/4/3BU8. Except for the heater rating these tubes are identical.