Hysteresis Symbol
Hysteresis Symbol has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ⎎
- Unicode
- U+238E
About this symbol
⎎, a small loop with two tails, is the hysteresis symbol of electronics. Drawn inside a logic gate, it marks a Schmitt trigger, a circuit that switches at one level going up and another going down, which cleans up a noisy signal. Otto Schmitt invented the circuit in the 1930s.
Unicode facts
- Official name
- HYSTERESIS SYMBOL
- Type
- Symbol
- Unicode block
- Miscellaneous Technical
- Unicode group
- Electrotechnical symbols from IR 181
- Added in
- Unicode 3.0 (1999)
Click the symbol or any value at the top of the page to copy it. See the full Technical and Miscellaneous Symbols chart for related characters.