The circuit transistors, found in a 1974 documentation, may be the BC548. The circuit is used in quadriphonic systems to combine signals.
This circuit is from a publication from the 60's. The transistors are germanium of the time....
This divider by 6 is synchronized because it is implemented based on TTL or CMOS logic according to the...
This is the typical configuration for a high voltage triplicator. The configuration can be used...