Divide-by-Three Injection-Locked Frequency Divider Combined With Divide-by-Two Locking

A divide-by-3 direct-injection-locked frequency divider is demonstrated with an extra divide-by-2 operation by utilizing the two-fold frequency at the common-node between the drain-pumped injectors. The effective transconductance of the injectors is increased due to the existence of divide-by-two lo...

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Veröffentlicht in:IEEE microwave and wireless components letters 2013-11, Vol.23 (11), p.590-592
Hauptverfasser: WU, Janne-Wha, CHEN, Chang-Chun, KAO, Hong-Wei, CHEN, Jen-Ke, TU, Ming-Cheng
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Sprache:eng
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Zusammenfassung:A divide-by-3 direct-injection-locked frequency divider is demonstrated with an extra divide-by-2 operation by utilizing the two-fold frequency at the common-node between the drain-pumped injectors. The effective transconductance of the injectors is increased due to the existence of divide-by-two locking circuitry. The measured locking range is from 11.77 to 16.64 GHz (34.28%) with an output power of -7.25 dBm, as the core-circuit taking a power consumption of 4.2 mW from 1.2 V power supply.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2013.2279115