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    • 43. 发明公开
    • High-speed analog/digital converter
    • Schneller Analog-Digital-Wandler
    • EP1770866A1
    • 2007-04-04
    • EP05019801.9
    • 2005-09-12
    • Rohde & Schwarz GmbH & Co. KG
    • Landolt, Oliver Dr.
    • H03M1/06
    • H03M1/06
    • An analog-to-digital converter comprises a positive input terminal (1), a negative input terminal (2), several difference detection means (13 1 , 13 2 , 13 3 , 13 4 , 13 5 ) detecting a voltage difference between a positive input port (9 1 , 9 2 , 9 3 , 9 4 , 9 5 ) and a negative input port (10 1 , 10 2 , 10 3 , 10 4 , 10 5 ), first resistors (3 1 , 3 2 , 3 3 , 3 4 , 3 5 ) connecting each positive input port (9 1 , 9 2 , 9 3 , 9 4 , 9 5 ) of each difference detection means (13 1 , 13 2 , 13 3 , 13 4 , 13 5 ) with the positive input terminal (1) and second resistors (4 1 , 4 2 , 4 3 , 4 4 , 4 5 ) connecting each negative input port (10 1 , 10 2 , 10 3 , 10 4 , 10 5 ) of each difference detection means (13 1 , 13 2 , 13 3 , 13 4 , 13 5 ) with the negative input terminal (2). First current sources (7 1 , 7 2 , 7 3 , 7 4 , 7 5 ) are connected to the positive input port (9 1 , 9 2 , 9 3 , 9 4 , 9 5 ) of at least some of the difference detection means (13 1 , 13 2 , 13 3 , 13 4 , 13 5 ) . Second current sources (8 1 , 8 2 , 8 3 , 8 4 , 8 5 ) are connected to the negative input port (10 1 , 10 2 , 10 3 , 10 4 , 10 5 ) of at least some of the difference detection means (13 1 , 13 2 , 13 3 , 13 4 , 13 5 ) also generating different currents.
    • 模数转换器包括正输入端(1),负输入端(2),若干差分检测装置(13 1,13 2,13 3,13 4,13 5, 正输入端口(9 1,92,93,94,95)和负输入端口(10 1,10 2,10 3,10 4,10 5),第一电阻器(31, 连接各个差分检测装置(13 1,13 2,13 3,13 4,13 5)的每个正输入端口(9 1,9 2,9 3,9 4,9 5) )与正输入端(1)和连接每个负输入端(10 1,10 2,10 3,10 4,10 5)的第二电阻(4 1,4 2,4 3,4 4,4 5) 每个差分检测装置(13 1,13 2,13 3,13 4,13 5)与负输入端子(2)。 第一电流源(7 1,7 2,7 3,7 4,7 5)连接到正输入端口(9 1,9 2,9 3,9 4,9 5),至少一些差分检测 (13 1,13 2,13 3,13 4,13 5)。 第二电流源(8 1,8 2,8 3,8 4,8 5)连接到至少一些差分检测的负输入端口(10 1,10 2,10 3,10 4,10 5) 还产生不同电流的装置(13 1,13 2,13 3,13 4,13 5)。