Question:
I-V characteristics of four devices are shown in the figure.
Identify devices that can be used for modulation:
(a) ‘i’ and ‘iii’
(b) only ‘iii’
(c) ‘ii’ and some regions of ‘iv’
(d) All the devices can be used.
Solution:
(c) ‘ii’ and some regions of ‘iv’
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