100MHz to 2.5GHz RF Detector Based on SiGe HBT

Ren Yuan Chang; Bao Yong Chi

doi:10.4028/www.scientific.net/AMM.599-601.689

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 599-601100MHz to 2.5GHz RF Detector Based on SiGe HBT

100MHz to 2.5GHz RF Detector Based on SiGe HBT

Abstract:

A RF received signal strength indication (RSSI) circuit with 100MHz to 2.5GHz frequency bandwidth was designed based on Jazz 0.18 μm SiGe HBT process. The RSSI was composed of 4 cascaded limiting amplifier and full wave current rectifier. A novel DC offset compensation circuit was adopted to achieve stable operating point. The circuit was simulated with Cadence design kit. Results showed that the RSSI had a wide dynamic range from 45dBm to 0dBm, operated at a 3.3V single supply. The power consumption is 18.8mW.

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Periodical:

Applied Mechanics and Materials (Volumes 599-601)

Pages:

689-693

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.599-601.689

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Online since:

August 2014

Authors:

Ren Yuan Chang*, Bao Yong Chi

Keywords:

DC Offset Compensation, Full Wave Current Rectifier, Limiting Amplifier, RF Analog IC, RSSI

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