This circuit achieves dual hysteresis using only one op amp

Download PDF

Other Materials from the Main Document

• Article «Single Op Amp Achieves Double-Hysteresis-Transfer Characteristic»
• Figure 1. One straightforward way of obtaining a double-hysteresis-transfer characteristic uses three op amps with voltage references and zener diodes
• Figure 2. The I/O-transfer characteristic of the circuit in Figure1 exhibits two hysteresis bands
• Figure 3. This circuit achieves dual hysteresis using only one op amp
• Figure 4. This oscilloscope trace shows the transfer characteristic of the circuit in Figure 3
• Figure 5. This oscilloscope trace shows the response of the circuit in Figure 3 to a triangular input waveform