A transmit system, comprising: a digital-to-analog converter, DAC, having a digital input and an analog output; a first amplifier, having an input and an output, the input of the first amplifier being connected to the analog output of the DAC; and a first signal-to-noise enhancer, SNE, having an input and an output, the input of the first SNE being connected to the output of the first amplifier, a second amplifier, having an input and an output, the input of the second amplifier being connected to the output of the first SNE; and a second SNE having an input and an output, the input of the second SNE being connected to the output of the second amplifier, wherein each of the first SNE and second SNE comprises: a microwave transmission line connected between the input and the output of the respective SNE; a magnetic component capable of supporting magnetostatic waves, the magnetic component secured in proximity to the microwave transmission line; and one or more magnets secured in proximity to the magnetic component; wherein each SNE has the characteristic of allowing a signal to propagate from the input of the respective SNE to the output of the respective SNE: with a first attenuation when the power of the signal at the input of the respective SNE is less than a first threshold, and with a second attenuation when the power of the signal at the input of the respective SNE is greater than a second threshold, the first attenuation exceeding the second attenuation by at least 5 decibels (dB). a digital-to-analog converter, DAC, having a digital input and an analog output; a first amplifier, having an input and an output, the input of the first amplifier being connected to the analog output of the DAC; and a first signal-to-noise enhancer, SNE, having an input and an output, the input of the first SNE being connected to the output of the first amplifier, a second amplifier, having an input and an output, the input of the second amplifier being connected to the output of the first SNE; and a second SNE having an input and an output, the input of the second SNE being connected to the output of the second amplifier, wherein each of the first SNE and second SNE comprises: a microwave transmission line connected between the input and the output of the respective SNE; a magnetic component capable of supporting magnetostatic waves, the magnetic component secured in proximity to the microwave transmission line; and one or more magnets secured in proximity to the magnetic component; wherein a microwave transmission line connected between the input and the output of the respective SNE; a magnetic component capable of supporting magnetostatic waves, the magnetic component secured in proximity to the microwave transmission line; and one or more magnets secured in proximity to the magnetic component; wherein each SNE has the characteristic of allowing a signal to propagate from the input of the respective SNE to the output of the respective SNE: with a first attenuation when the power of the signal at the input of the respective SNE is less than a first threshold, and with a second attenuation when the power of the signal at the input of the respective SNE is greater than a second threshold, with a first attenuation when the power of the signal at the input of the respective SNE is less than a first threshold, and with a second attenuation when the power of the signal at the input of the respective SNE is greater than a second threshold, the first attenuation exceeding the second attenuation by at least 5 decibels (dB).