(Solved): a. Design and sketch a limiting circuit whose output is kept approximately within the limits of th ...

a. Design and sketch a limiting circuit whose output is kept approximately within the limits of the following range: \( \quad-6.1 \mathrm{~V} \leq V_{O} \leq 1.4 \mathrm{~V} \), using only a \( 750 \Omega \) resistor, an appropriate number of regular silicon diodes and a Zener diode operating in the reverse breakdown region. Assume a forward voltage drop of \( 0.7 \mathrm{~V} \) for both types of diodes and \( V_{Z}=4.7 \mathrm{~V} \) for the Zener diode operating in reverse breakdown. Hint: Use two branches of appropriately connected diodes, branch A that conducts current only for positive half cycles of the input to give you the upper limiting level and branch B that conducts current only for negative half cycles of the input to give you the lower limiting level.