Electronic device
LOclk clkclkclk LO clkclkAn electronic device satisfies: f=N×f. . . (1); and (N−1)×f<fD<N×f<fD<(N+1)×f. . . (2), where: frepresents a frequency of the local oscillator signal; N represents an integer; fD represents a lower limit frequency of the received signal; and fD represents an uppe...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
18.09.2012
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| Online Access | Get full text |
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| Summary: | LOclk clkclkclk LO clkclkAn electronic device satisfies: f=N×f. . . (1); and (N−1)×f<fD<N×f<fD<(N+1)×f. . . (2), where: frepresents a frequency of the local oscillator signal; N represents an integer; fD represents a lower limit frequency of the received signal; and fD represents an upper limit frequency of the received signal. Even if harmonic components, whose respective frequencies are respective integral multiples of the clock frequency f, are mixed as spurious components into a path for a target signal, the harmonic spurious components do not fall within the target wave spectrum observed after the frequency conversion by the mixer. Thus, it is possible to prevent deterioration in reception performance, the deterioration being caused by in-band spurious components arising from higher harmonic waves whose frequencies are respective integral multiples of a clock frequency f. |
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