A New Regenerative Divider by Four up to 160 GHz in SiGe Bipolar Technology

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 f
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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