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This letter presents a wide‐tuning‐range CMOS VCO using auxiliary cross‐coupled pair and push‐push topology at W‐band. The auxiliary cross‐coupled pair parallel with the novel push‐push VCO not only compensates resistive losses but also achieves a wide frequency tuning range. The VCO implemented by a standard 0.18‐μm CMOS process consumes a dc power of 36.7 mW with the supply voltage of 1.8 V. The...
A very small size 19 mm × 19 mm × 0.4 mm circularly polarized (CP) square ring patch antenna for 2.4 GHz WLAN (Wireless Local Area Network) applications is proposed. To excite CP radiation for this square ring patch antenna, a meandered structure loaded with a 100 Ω resistor chip is used as the feeding mechanism of this antenna. Furthermore, an open-ended L-shaped strip is also extended from this...
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