This circuit was found in a documentation for radio amateurs from the year 70. Its purpose is to produce a tone on a transducer when transmitting messages in SSB telegraphy.
This circuit was found in a 1977 documentation. The gain is 3 dB and instead of the original...
This DC-DC converter was found in old RCA documentation. The circuit operates at 15 kHz. The...
March 2017 - Texas Instruments is already making available through Mouser Electronics the LP5907 an...