Schmitt trigger circuit with hysteresis determined by modified polysilicon gate dopants

• Main Author: Fenigstein Amos
• Format: Patent
• Language: English
• Published: 03.04.2018
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION; PULSE TECHNIQUE

A Schmitt trigger's hysteresis is established by standard and non-standard MOSFETs having different (lower/higher) threshold voltages. For example, a standard n-channel transistor having a relatively low threshold voltage (e.g., 1V) sets the lower trigger switching voltage, and a non-standard n...