Question: The electronic circuit below needs at least 3.3 V at Vdd to operate. The main power supply is a 5- V source and the

The electronic circuit below needs at least 3.3 V at Vdd to operate. The main power supply is a 5- V source

The electronic circuit below needs at least 3.3 V at Vdd to operate. The main power supply is a 5- V source and the backup is a 3.7 V Li-ion battery. Assume the diodes are Schottky diodes. Now imagine that the voltage of the 5-V source start to drop. At what source voltage will the backup battery begin to supply power? Electronic Circuit GND Vdd H D D 5 V 1 Backup Battery

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