Held Threshold Three-Row Scan - Electronic Circuits V: Front-End Conditioning and Gain Contracts Step by Step

Three held-voltage rows separate lower-bound LOW, in-band memory, and upper-bound HIGH. Exact arithmetic here means exact results for the stated model inputs; measured inputs still carry uncertainty and significant-figure limits.

highlighted = computed this step

One held volt falls below the lower threshold

The held input is 1 volt. That is below the 2 volt lower threshold, so the output is LOW.

1\ \text{V}\le2\ \text{V}\Rightarrow \text{LOW}

Three held volts stay inside the hysteresis band

The held input is between 2 and 5 volts, so the prior HIGH state remains the output.

2\ \text{V}<3\ \text{V}<5\ \text{V}\Rightarrow \text{hold HIGH}

Six held volts cross the upper threshold

The held input is 6 volts, above the 5 volt upper threshold, so the output is HIGH.

6\ \text{V}\ge5\ \text{V}\Rightarrow \text{HIGH}