Title :
A 3 V-CMOS low distortion class AB line driver suitable for HDSL applications
Author :
Kappes, Michael S.
Author_Institution :
Conexant Syst. Inc., San Diego, CA, USA
Abstract :
A fully integrated CMOS line driver for use in High Bit-Rate Digital Subscriber Line (HDSL) services is presented. The circuit is fabricated in a single-poly quad-metal 0.35 μm process and features ⩽70 dB THD while driving up to ±2.4 V, 200 kHz signals into 30 Ω with a 3 V supply. The circuit is configured as a gain of 6.0 non-inverting amplifier and as such has negligible input resistance and minimal input capacitance (<200 fF). The circuit dissipates less than 60 mW of quiescent power with a 3 V supply and is functional with supply voltages as low as 1.5 V
Keywords :
CMOS analogue integrated circuits; digital subscriber lines; driver circuits; electric distortion; feedback amplifiers; transceivers; 0.35 micron; 1.5 to 3 V; 20 mA; 200 fF; 200 kHz; 60 mW; CMOS line driver; HDSL applications; class AB line driver; high bit-rate DSL services; low distortion line drive; noninverting amplifier; single-poly quad-metal process; Bandwidth; Capacitance; DSL; Driver circuits; Feedback loop; Impedance; Linearity; Pulse modulation; Resistors; Transceivers;
Conference_Titel :
Custom Integrated Circuits, 1999. Proceedings of the IEEE 1999
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-5443-5
DOI :
10.1109/CICC.1999.777289
