Table of Contents
Comparators take signal voltage, and compare it to a reference voltage. The output goes high when + get a higher voltage than -. Whereas the output goes low, when + get a lower voltage than -.
Digital inverters output a voltage that is more like the reference voltage than the signal voltage.
Reference voltage is assigned to the non inverting (+) input. This is typically a fixed voltage, that you want to compare a signal to.
Signal voltage is applied to the inverting (-) input. This voltage can come from any source that you want to monitor in order to compare to the reference voltage.
- – input voltage higher than + voltage = a low output.
- – input voltage lower than + voltage = a high output.
The 358 op amp is a single supply output integrated circuit (IC)
- Low output = 0V. The 358 IC output connects pretty well to ground internally.
- High output = approx. 1.5V less than the positive supply (Vcc).
Brief Circuit Schematics with Short Video List of Pages
Assorted integrated circuits (ICs) kit. Included is the LM358, NE555 timers and other commonly known ICs. I have previously covered some of the other ICs in YouTube videos. It is an Affiliate link ad that supports this channel.
Video:
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