Title :
Design and implementation of emission filter for soft modem on TM9320C50 DSP chip
Author :
Sharma, Davinder Pal ; Singh, Jasvir
Author_Institution :
Dept. of Electron. Technol., Guru Nanak Dev Univ., Punjab, India
Abstract :
Digital filters play a very significant role in the development of modem technology. In present digital global world digital filters have replaced analog filters due to their superior performance, flexibility and reliability. In the present paper, an emission filter design and its implementation, on Texas Instrument´s based TMS320C50 digital signal processor (DSP) chip, for V.23 FSK modem, along with the performance analysis, is discussed. Emission filter is basically an FIR filter based on Parks McClelland algorithm. Filter has order of 63 with stopband gain 0.5dB from 400Hz to 3000Hz. This emission filter contains two bands, one having range from 0 to 200Hz and other from 3400Hz to 4800Hz with 30dB passband gain.
Keywords :
FIR filters; digital filters; digital signal processing chips; integrated circuit reliability; modems; 0 to 200 Hz; 0.5 dB; 30 dB; 3400 to 4800 Hz; 400 to 3000 Hz; FIR filter; Parks McClelland algorithm; Texas Instruments TM9320C50 DSP chip; V.23 FSK modem; digital filters; emission filter; passband gain; performance analysis; reliability; soft modem; stopband gain; Band pass filters; Digital filters; Digital signal processing chips; Digital signal processors; Finite impulse response filter; Frequency shift keying; Instruments; Modems; Performance analysis; Signal design;
Conference_Titel :
Circuits and Systems, 2002. APCCAS '02. 2002 Asia-Pacific Conference on
Print_ISBN :
0-7803-7690-0
DOI :
10.1109/APCCAS.2002.1115321
