US Patent 7838822 Linear FAIMS power supply

In various embodiments the present teachings provide high-voltage, asymmetric-waveform power supplies useful for, e.g., differential mobility spectrometry. In various embodiments, provided are high-voltage, asymmetric-waveform power supplies for high-field asymmetric waveform ion mass spectrometers having field values greater than about 5,000 volts cm−1 and varying in time at rates greater than about 600 kilohertz (KHz).