High speed, high resolution amplifier topology

An amplifier comprising:

• a first circuit for receiving and amplifying an input signal, and outputting an output signal;
• and
• first means for supplying power to said first circuit, wherein said power varies in accordance with variations in said output signal,
• wherein said first circuit includes an input stage with a load circuit, said load circuit includes a first and second transistor connected in a current mirror configuration,
• wherein said first means includes a bootstrapping circuit adapted to regulate the voltage across said load circuit such that said voltage remains constant, and
• wherein said bootstrapping circuit is adapted to detect a first voltage at a first terminal of said load circuit and in accordance therewith apply a second voltage at a second terminal of said load circuit.

Am amplifier comprising:

• a first circuit for receiving and amplifying an input signal and outputting an output signal, said first circuit including an input stage with a load circuit;
• and
• first means for supplying power to said first circuit, wherein said power varies in accordance with variations in said output signal,
• wherein said first means includes a bootstrapping circuit adapted to regulate the voltage across said load circuit such that said voltage remains constant,
• wherein said bootstrapping circuit is adapted to detect a first voltage at a first terminal of said load circuit and in accordance with therewith apply a second voltage at a second terminal of said load circuit,
• wherein said load circuit includes a first and a second transistor, and
• wherein said input stage includes an amplifier stage coupled to said load circuit and adapted to receive and amplify said input signal.

An amplifier comprising:

• a first circuit for receiving and amplifying an input signal and outputting an output signal, said first circuit includes an input stage with a load circuit;
• and
• first means for supplying power to said first circuit, wherein said power varies in accordance with variations in said output signal,
• wherein said first circuit further includes an output stage adapted to couple the output of said input stage to an output terminal, said output stage including a transistor, and
• wherein the emitter of the transistor of the output stage is coupled to a current source.

An amplifier comprising:

• a first circuit for receiving and amplifying an input signal and outputting an output signal, said first circuit includes an input stage with a load circuit;
• and
• first means for supplying power to said first circuit, wherein said power varies in accordance with variations in said output signal,
• wherein said first circuit further includes an output stage adapted to couple the output of said input stage to an output terminal, said output stage including a first transistor, and
• wherein said first means includes a bootstrapping circuit adapted to regulate the voltage across said first transistor such that said voltage remains constant.