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S. Trotta, H. Knapp, T.F. Meister, K. Aufinger, J. Böck, B. Dehlink, W. Simbürger, A.L. Scholtz:
"A New Regenarative Divider by Four up to 160 GHz in SiGe Bipolar Technology";
Vortrag: IEEE MTT-S International Microwave Symposium, San Francisco, CA, USA; 11.06.2006 - 16.06.2006; in: "2006 IEEE MTT-S International Microwave Symposium Digest", (2006), ISBN: 0-7803-9542-5; S. 1709 - 1712.

A new topology for a very high speed regenerative divider by four is proposed. The circuit uses a double mixer to directly divide the input frequency by four. A validation chip has been developed in a 225 GHz fT SiGe bipolar technology. The circuit operates in a frequency range from 80 GHz to 160 GHz while consuming a 650 mW from a -5.5 V supply.

http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC06586270

http://publik.tuwien.ac.at/files/pub-et_11483.pdf