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- ...N|0-7506-4844-9}}</ref> This is one of the principal reasons for losses in mixers. Likewise, a large amount of the loss in [[amplifiers]] comes from the mis ...{{ISBN|978-0-86341-359-9}}</ref> The mismatch uncertainty increases as the frequency increases, and in wide-band applications. The phasing of the reflections m ...6 KB (988 words) - 15:27, 24 July 2024
- ...with a traditional superheterodyne receiver, which needs an [[intermediate frequency]] stage between RF and baseband, and an image rejection filter. Direct conv ...signals and/or along the two branches of [[Demodulation|down-conversion]] mixers, and any following amplifiers, and [[Low-pass filter|low-pass filters]], ca ...15 KB (2,318 words) - 01:45, 27 February 2024
- ...used devices that are concerned with this measure are [[amplifier]]s and [[frequency mixer|mixer]]s. It is related to the [[third-order intercept point]], which ...d the output due to second-order effects will be at DC and twice the input frequency. The derivation follows: ...8 KB (1,213 words) - 19:50, 4 September 2023
- If the STJ is irradiated with [[photons]] of frequency <math>f</math>, the dc current-voltage curve will exhibit both Shapiro step ...ast=Tucker | first=J. | title=Quantum limited detection in tunnel junction mixers | journal=IEEE Journal of Quantum Electronics | publisher=Institute of Elec ...14 KB (1,982 words) - 15:49, 8 January 2025
- ...smitter-driver. In this article, the term RF (radio frequency) covers the frequency range "medium Frequencies" up to "microwave Frequencies", i.e. from 100&nbs ...) and spurious signal levels (unwanted signals produced by devices such as mixers and non-linear amplifiers). In addition, there may be concerns regarding t ...44 KB (6,985 words) - 17:19, 7 December 2024
- ...down-conversion to baseband for sampling, thereby increasing the number of mixers and [[local oscillator]]s (LO) or synthesizers. LOs and synthesizers are no ...ignals (({{EquationNote|2}})). The signals are orthogonal because they are frequency translated by ω<sub>1</sub> and ω<sub>2</sub> which are selected in a manne ...26 KB (3,829 words) - 17:45, 19 February 2025
- ...s)|phase]] change. The amount of phase change is dependent on the wave's [[frequency]] (and inversely dependent on [[wavelength]]). A common rule of thumb among ...higher frequencies than printed circuits, and this is done in some [[radio frequency]] integrated circuits. This choice is particularly significant for hand-hel ...48 KB (6,671 words) - 00:23, 23 May 2024