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.
May 2017 - These new Digital to Analog converters from Texas Instruments, available from Mouser...
This circuit, suitable for tube equipment, was found in an old documentation. It uses a high...
This converter has coils according to the reception and converted frequency bands. We found it in...