This circuit monitors the current of a series of 40 V lithium battery packs connected in series. The circuit is from 2005 Linear Technology documentation. MOSFETs allow equivalents according to load current.
As we have explored on this site many times, a 2N3055 without the cover works like a low yield...
In the figure we show a configuration for a crystal controlled overtone oscillator using a...
This circuit was obtained from an English magazine from 1976. What this circuit does is start from...