The integrated circuit used in this charger is not very common today. The circuit is from Motorola's 1990 Linear Databook.
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
Frequency modulated signals up to 500 kHz can be decoded with the PLL we show. The demodulated signal...