A power amplifier (305, 405, 505, 605) for use in cellular networks with higher modulation bandwidth requirements, the power amplifier (305, 405, 505, 605) comprising: a switch having a control node to receive an analog phase-modulated signal (PHASE) representative of digital communication information so as to couple and decouple a switched node to a ground terminal in accordance with a state of the analog phase-modulated signal (PHASE), and further having the switched node connected to a node of an input inductor and a ground node connected to a ground terminal; and the input inductor connected to said switched node and having another node to receive an analog bandwidth limited envelope signal (ENVELOPE) representative of said digital communication information; wherein the power amplifier (305, 405, 505, 605) is configured to provide, at an output thereof, a modulated signal using the analog phase-modulated signal (PHASE) and the analog bandwidth limited envelope signal (ENVELOPE); a shunt capacitor circuit connected to the switched node; an output capacitor having a node connected to the switched node connected to the switch, the input inductor and the shunt capacitor circuit; an output inductor having a node connected to an other node of the output capacitor and having an other node connected to the output of the power amplifier (305, 405, 505, 605); and characterized by: a capacitive digital-to-analog converter (306, 406, 506, 606) connected to the switched node and configured to receive a digital representation of an envelope of the digital communication information and to provide an analog representation of the envelope of the digital communication information comprising high frequency components to be restored; and wherein the power amplifier (305, 405, 505, 605) is configured to provide, at said output of the power amplifier (305, 405, 505, 605), the modulated signal additionally using the analog representation of the envelope of the digital communication information comprising the high frequency components. a switch having a control node to receive an analog phase-modulated signal (PHASE) representative of digital communication information so as to couple and decouple a switched node to a ground terminal in accordance with a state of the analog phase-modulated signal (PHASE), and further having the switched node connected to a node of an input inductor and a ground node connected to a ground terminal; and the input inductor connected to said switched node and having another node to receive an analog bandwidth limited envelope signal (ENVELOPE) representative of said digital communication information; wherein the power amplifier (305, 405, 505, 605) is configured to provide, at an output thereof, a modulated signal using the analog phase-modulated signal (PHASE) and the analog bandwidth limited envelope signal (ENVELOPE); a shunt capacitor circuit connected to the switched node; an output capacitor having a node connected to the switched node connected to the switch, the input inductor and the shunt capacitor circuit; an output inductor having a node connected to an other node of the output capacitor and having an other node connected to the output of the power amplifier (305, 405, 505, 605); and characterized by: a capacitive digital-to-analog converter (306, 406, 506, 606) connected to the switched node and configured to receive a digital representation of an envelope of the digital communication information and to provide an analog representation of the envelope of the digital communication information comprising high frequency components to be restored; and wherein the power amplifier (305, 405, 505, 605) is configured to provide, at said output of the power amplifier (305, 405, 505, 605), the modulated signal additionally using the analog representation of the envelope of the digital communication information comprising the high frequency components. a capacitive digital-to-analog converter (306, 406, 506, 606) connected to the switched node and configured to receive a digital representation of an envelope of the digital communication information and to provide an analog representation of the envelope of the digital communication information comprising high frequency components to be restored; and wherein the power amplifier (305, 405, 505, 605) is configured to provide, at said output of the power amplifier (305, 405, 505, 605), the modulated signal additionally using the analog representation of the envelope of the digital communication information comprising the high frequency components.