Found in a 1967 Electronics World, this preamplifier uses an integrated circuit from that time, difficult to obtain today. The maximum frequency is 15 kHz.
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...