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Frequency Multiplier Design Based on Multiple-Peak R-BJT-NDR Devices Fabricated by SiGe Technology

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5 Author(s)

The negative differential resistance (NDR) device studied in this work is composed of the resistors (R) and bipolar junction transistors (BJT) devices. We regard this NDR device as R-BJT-NDR. Comparing to the resonant tunneling diode (RTD), this novel NDR device is made of resistors and transistors. Therefore, we can fabricate this NDR device by standard Si-based CMOS or SiGe-based BiCMOS process. A circuit with two NDR. regions is obtained by combining two R-BJT-NDR devices in vertical integration. We can obtain two-peak I-V characteristics in the combined circuit. Circuit fabricated from the combination exhibits three stable operating points for frequency multiplier that can multiply the input signal frequency by three. The R-BJT-NDR device and frequency multiplier are implemented by the standard 0.35 mum SiGe BiCMOS process.

Published in:

University/Government/Industry Microelectronics Symposium, 2006 16th Biennial

Date of Conference:

25-28 June 2006