A Low Current Fully Integrated Front End Module On GaAs E/D p-HEMT For 2.4 GHz Applications

2007 ◽  
Author(s):  
Manish Bhakuni ◽  
Deepak Gupta ◽  
Rohit Vaidya
Keyword(s):  
Fully Integrated ◽  
Front End ◽  
Front End Module

scholarly journals An Automatic Offset Calibration Method for Differential Charge-Based Capacitance Measurement

2021 ◽  
Vol 11 (2) ◽  
pp. 22
Author(s):  
Umberto Ferlito ◽  
Alfio Dario Grasso ◽  
Michele Vaiana ◽  
Giuseppe Bruno
Keyword(s):  
Standard Deviation ◽  
Output Voltage ◽  
Process Variations ◽  
Calibration Method ◽  
Capacitance Measurement ◽  
Effective Technique ◽  
Fully Integrated ◽  
Front End ◽  
Novel Method ◽  
On Chip

Charge-Based Capacitance Measurement (CBCM) technique is a simple but effective technique for measuring capacitance values down to the attofarad level. However, when adopted for fully on-chip implementation, this technique suffers output offset caused by mismatches and process variations. This paper introduces a novel method that compensates the offset of a fully integrated differential CBCM electronic front-end. After a detailed theoretical analysis of the differential CBCM topology, we present and discuss a modified architecture that compensates mismatches and increases robustness against mismatches and process variations. The proposed circuit has been simulated using a standard 130-nm technology and shows a sensitivity of 1.3 mV/aF and a 20× reduction of the standard deviation of the differential output voltage as compared to the traditional solution.

A 750 mV Fully Integrated Direct Conversion Receiver Front-End for GSM in 90-nm CMOS

2007 ◽  
Vol 42 (6) ◽  
pp. 1310-1317 ◽  
Author(s):  
Massimo Brandolini ◽  
Marco Sosio ◽  
Francesco Svelto
Keyword(s):  
Direct Conversion ◽  
Fully Integrated ◽  
Front End
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