The circuit presented is a Japanese commercial radio for AM with 50 mW of output power, powered by 9 V. The circuit is from the 60s, having been found in documentation of the time.
This circuit was found in an old publication about transistor. The original trasistors are...
This high quality circuit with complementary symmetry was found in an Electronics World of 1966....
This circuit allows the recovery of tapes with the passage of this media to the computer and other...