A multiphase transmitter circuit, comprising: a pulse generator including a first output configured to generate a first pulse signal and a second output configured to generate a second pulse signal; a first modulator (113, 803) including a first input configured to receive a first signal and a second input configured to receive the first pulse signal, the first modulator being configured to modulate the first signal and the first pulse signal to produce a first pulse modulated signal at an output of the first modulator; a second modulator (115, 805) including a first input configured to receive a second signal and a second input configured to receive the second pulse signal, the second modulator being configured to modulate the second signal and the second pulse signal to produce a second pulse modulated signal at an output of the second modulator; a group of power amplifiers (117, 119, 811-817), the group of power amplifiers including a first power amplifier including an input configured to receive the first pulse modulated signal and an output configured to produce a first amplified pulse modulated signal and including a second power amplifier including an input configured to receive the second pulse modulated signal and an output configured to produce a second amplified pulse modulated signal; a reactive combiner (121, 802) including a plurality of branches (301, 303, 403, 405, 601, 603, 819-825), each branch of the plurality of branches coupled to receive an amplified pulse modulated signal produced by a respective power amplifier of the group of power amplifiers, the plurality of branches including a first branch (301, 403, 601, 819) configured to receive the first amplified pulse modulated signal and a second branch (303, 405, 603, 821) configured to receive the second amplified pulse modulated signal, the reactive combiner being configured to combine the amplified pulse modulated signals received at its branches to produce an output signal at an output of the reactive combiner, wherein the branches of the plurality of branches are each configured to have an impedance such that the output signal is at a first power level when only one power amplifier of the group of power amplifiers is on and is at a second power level when only two power amplifiers of the group of power amplifiers are on, wherein the second power level is in a range of 1.6-2.4 times the first power level; wherein the reactive combiner is one of a transmission line reactive combiner and a lumped element reactive combiner. a pulse generator including a first output configured to generate a first pulse signal and a second output configured to generate a second pulse signal; a first modulator (113, 803) including a first input configured to receive a first signal and a second input configured to receive the first pulse signal, the first modulator being configured to modulate the first signal and the first pulse signal to produce a first pulse modulated signal at an output of the first modulator; a second modulator (115, 805) including a first input configured to receive a second signal and a second input configured to receive the second pulse signal, the second modulator being configured to modulate the second signal and the second pulse signal to produce a second pulse modulated signal at an output of the second modulator; a group of power amplifiers (117, 119, 811-817), the group of power amplifiers including a first power amplifier including an input configured to receive the first pulse modulated signal and an output configured to produce a first amplified pulse modulated signal and including a second power amplifier including an input configured to receive the second pulse modulated signal and an output configured to produce a second amplified pulse modulated signal; a reactive combiner (121, 802) including a plurality of branches (301, 303, 403, 405, 601, 603, 819-825), each branch of the plurality of branches coupled to receive an amplified pulse modulated signal produced by a respective power amplifier of the group of power amplifiers, the plurality of branches including a first branch (301, 403, 601, 819) configured to receive the first amplified pulse modulated signal and a second branch (303, 405, 603, 821) configured to receive the second amplified pulse modulated signal, the reactive combiner being configured to combine the amplified pulse modulated signals received at its branches to produce an output signal at an output of the reactive combiner, wherein the branches of the plurality of branches are each configured to have an impedance such that the output signal is at a first power level when only one power amplifier of the group of power amplifiers is on and is at a second power level when only two power amplifiers of the group of power amplifiers are on, wherein the second power level is in a range of 1.6-2.4 times the first power level; wherein the reactive combiner is one of a transmission line reactive combiner and a lumped element reactive combiner.