This stage of IF to 455 kHz operates with voltages from 1.5 V. We find it in a 90s Popular Electronics. The integrated circuit is uncommon today.
This triac circuit was found in the October 1987 Radio Electronics magazine. The triac is...
This circuit was found in a 1987 edition of the United States' Hands-On Electronics magazine. The...
We found this TTL circuit with the 7400 in the January 1975 Radio Electronics magazine. The power...