|
|||||
|
|
A linear compact tunable transconductor for Gm-C applications |
|
| Authors: | M Pedro J Galán T Sánchez-Rodríguez M Pennisi R Jiménez F Mu?oz R G Carvajal |
| Affiliation: | 1. the Dpto de Ingenier??a Electr??nica, de Sistemas Inform??ticos y Autom??tica, Universidad de Huelva, E-21071, Huelva, Spain 3. Dipart di Ing. Elettrica, Elettronica e dei Sistemi, University of Catania, Catania, Italy 2. the Dpto de Ingenier??a Electr??nica, Escuela Superior de Ingenieros, Universidad de Sevilla, Avda de los Descubrimientos s/n, E-41092, Sevilla, Spain |
| Abstract: | A CMOS highly linear voltage-controlled transconductor suitable for Gm-C filter design is presented. The control loop to program the transconductance maintains the input transistors in triode region with a compact topology. Measurement results for the transconductor fabricated in a 0.5-??m CMOS technology feature a spurious-free dynamic range (SFDR) of 72?dB for 1 Vpp differential inputs at 1?MHz. The voltage to current converter ensures a high linearity level for a wide transconductance range. Functionality of the transconductor is shown in a fifth-order Gm-C tunable complex filter well suited for a dual-mode Bluetooth/Zigbee transceiver. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |
