How to limit the output voltage swing only to positive direction?
(a) Combination of two zener diodes
(b) Combination of zener and rectifier diode
(c) All of the mentioned
(d) Combination of two rectifier diodes
I got this question in an internship interview.
The doubt is from Voltage Limiter and Schmitt Trigger topic in section Comparators and Waveform Generators of Linear Integrated Circuits