We obtained this circuit in a Maxim documentation from the 90s. The circuit is based on the MAX627. This circuit provides an output voltage of 12 V from an input of 4.5 to 12 V.
E) This audio filter was found in the August 1993 issue of Radio Electronics magazine. It cuts low...
This defrost alarm starts from an interesting idea. A small magnet on an ice stone is trapped at the...
This circuit was obtained from a Linear Technology manual from the 1990s. The components may have...