US 7,248,106 B2 · Sampling signal amplifier

Abstract

A sampling differential amplifier for amplification of a signal having: a signal input (2) for application of an input signal to be amplified; signal amplification transistors (N1, N1) whose control connections are connected via sampling capacitors (CA, CA) to the signal input (2); with the signal amplification transistors (N1, N1) each being connected via series-connected load resistances (RL1, RL2) to a positive supply voltage (VDD) and via current source (N3) to a negative supply voltage (VSS); a signal output (3) for emitting an amplified output signal, with the signal output (3) being tapped off the signal amplification transistors (N1, N1); and having sampling switching transistors (N2, N2), which are each connected between the series-connected load resistances (RL1, RL2) and a control connection of one signal amplification transistor (N1, N1), with the control connection of the sampling switching transistors (N1, N1) being connected to a control signal input (13) for application of a sampling control signal.

Claims20

Dependent claims

A sampling differential amplifier for amplification of a signal having:

(a) a signal input configured to receive an input signal to be amplified;
(b) at least one signal amplification transistor having a control connection that is connected via a sampling capacitor to the signal input, each of the at least one signal amplification transistors being connected via series-connected load resistances to a positive supply voltage and via current source to a negative supply voltage;
(c) a signal output configured to provide an amplified output signal, the signal output being tapped off the signal amplification transistors;
and
(d) at least one sampling switching transistor connected between a node between the series-connected load resistances and a control connection of the at least one signal amplification transistor, the at least one sampling switching transistor having a control connection connected to a control signal input for application of a sampling control signal.

2 more elements

Dependencies are inferred from the claim text.

Sampling signal amplifier

Life of this patent

Sampling signal amplifier

Life of this patent

Abstract

Claims20