A mobile terminal, comprising: a clock generator, a first frequency conversion circuit, a first module, a second frequency conversion circuit, and a second module, wherein the first frequency conversion circuit is connected to both the clock generator and the first module, and is configured to: perform frequency conversion on a clock signal generated by the clock generator, to obtain a first clock signal, and output the first clock signal to the first module; and the second frequency conversion circuit is connected to both the clock generator and the second module, and is configured to: perform frequency conversion on the clock signal generated by the clock generator, to obtain a second clock signal, and output the second clock signal to the second module, wherein a ratio of a fundamental frequency of the first clock signal to a fundamental frequency of the second clock signal is M/N, wherein M is a positive odd number, N is 2 raised to the power of n, and n is a positive integer; characterised in that each respective spacing between all fundamental and odd harmonic frequencies of the first clock signal and all fundamental and harmonic frequencies of the second clock signal is greater than or equal to the fundamental frequency of the second clock signal divided by N, whereby when a temperature drift frequency deviation of the first clock signal relative to a temperature drift frequency deviation of the second clock signal is less than the fundamental frequency of the second clock signal divided by N, the fundamental frequencies and the harmonic frequencies of the first and the second clock signals do not overlap. a clock generator, a first frequency conversion circuit, a first module, a second frequency conversion circuit, and a second module, wherein the first frequency conversion circuit is connected to both the clock generator and the first module, and is configured to: perform frequency conversion on a clock signal generated by the clock generator, to obtain a first clock signal, and output the first clock signal to the first module; and the second frequency conversion circuit is connected to both the clock generator and the second module, and is configured to: perform frequency conversion on the clock signal generated by the clock generator, to obtain a second clock signal, and output the second clock signal to the second module, wherein a ratio of a fundamental frequency of the first clock signal to a fundamental frequency of the second clock signal is M/N, wherein M is a positive odd number, N is 2 raised to the power of n, and n is a positive integer; characterised in that each respective spacing between all fundamental and odd harmonic frequencies of the first clock signal and all fundamental and harmonic frequencies of the second clock signal is greater than or equal to the fundamental frequency of the second clock signal divided by N, whereby when a temperature drift frequency deviation of the first clock signal relative to a temperature drift frequency deviation of the second clock signal is less than the fundamental frequency of the second clock signal divided by N, the fundamental frequencies and the harmonic frequencies of the first and the second clock signals do not overlap.