By ACI Committee 122
His consultant stories information at the thermal houses of concrete and masonry materials, masonry devices, and platforms of fabrics and items that shape development elements. This consultant comprises attention of thermal mass of concrete and masonry, passive sun layout, and tactics to restrict condensation inside assemblages.
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His consultant reviews info at the thermal homes of concrete and masonry parts, masonry devices, and platforms of fabrics and items that shape development parts. This consultant contains attention of thermal mass of concrete and masonry, passive sunlight layout, and techniques to restrict condensation inside assemblages.
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Extra info for ACI 122R-02: Guide to Thermal Properties of Concrete and Masonry Systems
Locking range will decrease with higher order of the oscillator harmonic components because they have lower amplitudes. Harmonic injection dividers are one group of injection-locked oscillators (ILOs). ILOs are divided into three categories; ﬁrst-harmonic, sub-harmonic and superharmonic ILOs. This depends on the relationship between the input signal frequency and the free-running oscillator frequency. The input frequency is the same as the oscillator free-running frequency in the ﬁrst-harmonic ILO, lower and higher in the sub-harmonic and super-harmonic ILOs, respectively.
A, B, C and D outputs represent phase shifts of 0°, 180°, 90° and 270°, respectively. This topology is simple but has some disadvantages: phase noise is relatively high compared to the other topologies, and there is a trade-off between the phase noise and the quadrature accuracy through the coupling strength. The greater the coupling coefﬁcient, the higher the phase noise but the better phase error, and vice versa. The P-QVCO phase noise can be improved by independently biasing the gate of the cross-coupled pair .
ADSMomentum®  is used to simulate all the inductive elements. 1 Varactors Inversion-mode MOS varactors are used in this design. Capacitance variation and quality factor with tuning voltage for the minimum length varactor are shown in Fig. 2a, b, respectively. , M = 20) are used for each transistor. 5 1 Tuning voltage [V] Fig. 2 a Capacitance and b quality factor for a varactor with W = 1 μm and M = 20 lower than the simulated value due to the lack of an accurate model at 60 GHz and the presence of interconnect parasitic resistance.
ACI 122R-02: Guide to Thermal Properties of Concrete and Masonry Systems by ACI Committee 122