31. Refer the given circuits. Which circuit is known as an OTA?
(a) a
(b) b
(c) c
(d) d
32. Which circuit is known as a voltage-to-current converter?
(a) a
(b) b
(c) c
(d) d
33. Which circuit is known as a current-to-voltage converter?
(a) a
(b) b
(c) c
(d) d
34. This circuit is a setup for
(a) an antilog amplifier
(b) a constant-current source
(c) an instrumentation amplifier
(d) an isolation amplifier
35. When using an OTA in a Schmitt-trigger configuration, the trigger points are controlled by
(a) the Iout
(b) the IBIAS
(c) the Vout
(d) both Iout and IBIAS
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