This amplified speaker is from a Radio Electronics from September 1988. The power integrated circuit is from that time and the other components are still common today.
The 8038 integrated circuit is not very common today. It is a circuit that generates signals of...
Based on the LF256 operational amplifier, this circuit was found in the September 1989 issue of...
January 2017 - Now available on Mouser Electronics, Texas Instruments' new LDC2114EVM Evaluation Module...