DocumentCode :
2868971
Title :
Interpolative PCM CODECs with multiplexed digital filters
Author :
Kuwahara, Hideo ; Kosugi, H. ; Imai, Koichi ; Yumoto, O. ; Ohnishi, Masato ; Amada, E. ; Okabe, Toshiya ; Shirasu, H.
Author_Institution :
Hitachi Central Research Laboratory, Tokyo, Japan
Volume :
XXIII
fYear :
1980
fDate :
13-15 Feb. 1980
Firstpage :
174
Lastpage :
175
Abstract :
A single-chip CODEC - a 32kHz sampling 12b linear AD/DA - with pre-post - filters implemented in I2L without trimruing, will be described. The digital filter chip is shared between four CODECs: it has a 88dB dynamic range and operates at 2MHz with 16b word length.
Keywords :
Circuits; Codecs; Degradation; Digital filters; Frequency conversion; Phase change materials; Sampling methods; Signal to noise ratio; Telephony; Voltage;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1980 IEEE International
Conference_Location :
San Francisco, CA, USA
Type :
conf
DOI :
10.1109/ISSCC.1980.1156029
Filename :
1156029
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2868971
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