This circuit was obtained from Motorola documentation. It generates light pulses at a rate of 120 per minute. Equivalent transistors can be used. The circuit can also excite high brightness LEDs.
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...
This circuit was found in a 1980s documentation. The operational amplifier is of a common type at the...
This simulated circuit uses a 741 (Operational Amplifier), but other operational amplifiers can be...