A solid-state imaging device of the present invention includes: a plurality of photoelectric conversion elements; a transfer section for transferring charges generated by the photoelectric conversion elements; a floating diode for converting the charges transferred by the transfer section to voltage signals; and an amplification section including a plurality of source follower circuits, each amplifying the voltage signals generated by the floating diode, wherein different power supply voltages are supplied to the respective source follower circuits, and the power supply voltages are reduced as the DC current flowing through each of the respective source follower circuits increases.
The solid-state imaging apparatus of this invention includes a voltage generation circuit including a transistor having a same device structure as the reset transistor and fabricated on a same substrate as the reset transistor, a gate of the transistor constituting the voltage generation circuit being commonly connected with a gate of the reset transistor, the voltage generation circuit generating the discharge potential to be applied to the reset transistor, wherein the voltage generation circuit includes a holding circuit for holding a potential at a source of the transistor constituting the voltage generation circuit in a level higher than a channel potential below the gate of the transistor constituting the voltage generation circuit.
A circuit and method for bridging an analog signal between two integrated circuits operating at different supply voltages. The circuit is a two stage fixed gain amplifier. The first stage is a transconductance amplifier and the second stage is an operational amplifier. The first stage converts an input signal from a voltage into a current. The second stage converts the current signal to an output voltage signal.
A circuit and method for bridging an analog signal between two integrated circuits operating at different supply voltages. The circuit is a two stage fixed gain amplifier. The first stage is a transconductance amplifier and the second stage is an operational amplifier. The first stage converts an input signal from a voltage into a current. The second stage converts the current signal to an output voltage signal.
A circuit and method for bridging an analog signal between two integrated circuits operating at different supply voltages. The circuit is a two stage fixed gain amplifier. The first stage is a transconductance amplifier and the second stage is an operational amplifier. The first stage converts an input signal from a voltage into a current. The second stage converts the current signal to an output voltage signal.
