This circuit with 10 MHz and 1.25 MHz TTL outputs was found in an American documentation from the 1980s. The used integrated circuit is uncommon today.
We found this circuit in a 1995 documentation. It is a two-channel preamplifier for supplying a...
The presented circuit was found in the National Semiconductor's Linear Applications Handbook from...
This circuit is from a Popular Electronics from the 90's. The audio amplifier admits equivalent. The...