Title:
【発明の名称】バンドパス信号用補間形AD変換器
Document Type and Number:
Japanese Patent JPH05505286
Kind Code:
A
Abstract:
The invention relates to an interpolative analog/digital converter for band-pass signals in which the amplitudes of the scanning values are quantized in 2 consecutive stages. The first stage contains the actual analog/digital interface and the second stage is purely digital. The amplitudes of the scanning values are not quantized, as in other processes, using finely quantizing elements at the analog/digital interface, but by overscanning, shaping of the quantization noise spectrum and digital interpolation. As a result, very coarsely resolving elements (with only 2 quantization stages in the extreme case) can be used at the actual analog/digital interface.
Inventors:
Dresser, Hans-Joachim
Application Number:
JP50125391A
Publication Date:
August 05, 1993
Filing Date:
December 19, 1990
Export Citation:
Assignee:
AGA Mobile Mobile Gesellschaft Mitt Beschlenktel Haftung
International Classes:
H03D1/00; H03D1/22; H03D3/00; H03M1/12; H03H17/00; H03H17/02; H03M1/06; H03M1/20; H03M3/02; H04B14/04; (IPC1-7): H03H17/02; H03M1/12; H04B14/04
Attorney, Agent or Firm:
Toshio Yano (2 outside)