This circuit was found in an 80's Electronic Design. It amplifies TTL fast signals for a coaxial cable. TTL is from the S (Schottky) line and transistors are types of the time.
This circuit was found in National Semiconductor documentation from the 1990s. The circuit has a 75...
Found in a documentation from the 90s, this circuit limits and amplifies a voice signal in the 800...
This ammeter measures currents in 5 ranges from 50 uA to 0.5 A using a 40 uA instrument, which can be...