Title :
The Wideband High-Linearity Mixers for Cable Television Tuner Application
Author :
Wei Mao ; Ming Gu ; Desheng Ma ; Yin Shi ; Fa Foster Dai
Author_Institution :
Inst. of Semicond., Chinese Acad. of Sci., Beijing
Abstract :
The wideband high-linearity mixers for a double conversion cable TV tuner is presented. The up-conversion mixer converts the input signal from 100 MHz to 1000 MHz to the intermediate frequency (IF) of 1 GHz above. And the down-conversion mixer converts the frequency back. The degeneration resistors are used to improve the linearity. The tuner is implemented in a 0.35 mum SiGe technology. Input power at 1dB compression point can reach +14.23 dBm. The lowest noise figure is 17.5 dB. The two mixers consume 103 mW under a supply voltage of 5 V.
Keywords :
Ge-Si alloys; UHF mixers; cable television; mixers (circuits); tuning; SiGe; cable television tuner; degeneration resistors; frequency 100 MHz to 1 GHz; noise figure 17.5 dB; power 103 mW; size 0.35 mum; up-conversion mixer; voltage 5 V; wideband high-linearity mixers; Cable TV; Frequency conversion; Germanium silicon alloys; Linearity; Mixers; Noise figure; Resistors; Silicon germanium; Tuners; Wideband;
Conference_Titel :
Communications, Circuits and Systems Proceedings, 2006 International Conference on
Conference_Location :
Guilin
Print_ISBN :
0-7803-9584-0
Electronic_ISBN :
0-7803-9585-9
DOI :
10.1109/ICCCAS.2006.285204
