Title :
A 24dB gain Gilbert-type down-sampling mixer with increased DC-input range through exploiting the body effect
Author :
Schweiger, K. ; Zimmermann, H.
Author_Institution :
Technical University of Vienna, AUSTRIA
Abstract :
A high-gain down-sampling mixer in 65nm digital CMOS technology is presented. The mixer was fabricated in a triple-well CMOS process and is based on a modified Gilbert-type structure with current injection to increase the gain and improve the noise performance. Additionally the DC-input range of the RF-stage was widened by exploiting the body effect of the current injection transistors. The current injection lowers the flicker noise corner frequency to 200kHz while having a noise figure of 12dB. A high gain of +24dB at 1GHz RF-frequency was achieved.
Keywords :
1f noise; Analog circuits; Bonding; CMOS process; CMOS technology; Circuit synthesis; Circuit topology; Noise figure; Resistors; Voltage; 65nm CMOS; Current injection; Down-sampling mixer;
Conference_Titel :
Mixed Design of Integrated Circuits and Systems, 2008. MIXDES 2008. 15th International Conference on
Conference_Location :
Poznan, Poland
Print_ISBN :
978-83-922632-7-2
Electronic_ISBN :
978-83-922632-8-9
