This circuit makes use of the Linear Technology LT1637. We find it in a 2005 manual. The circuit provides 0 V output with the good lamp and 3 V when the lamp burns out.
![](/images/stories/cir/222612262023_164926_0001.gif)
This circuit makes use of the Linear Technology LT1637. We find it in a 2005 manual. The circuit provides 0 V output with the good lamp and 3 V when the lamp burns out.