05841388 is referenced by 28 patents and cites 16 patents.

An A/D converter apparatus comprising a negative feedback loop having a main signal line supplied with an input signal of a predetermined frequency and a feedback signal line passing through a feedback signal, a A/D converter connected to the main signal line for frequency-converting the input signal to a signal having a frequency different from that of the input signal to output a converted signal, a D/A converter connected to the feedback signal line for frequency-converting the feedback signal to a signal having a frequency substantially equal to that of the input signal, and a subtracter for subtracting the feedback signal from the D/A converter from the input signal to supply a subtraction result signal to the A/D converter.

Title
A/D converter apparatus with frequency conversion function and radio apparatus using the same
Application Number
8/527638
Publication Number
5841388
Application Date
September 13, 1995
Publication Date
November 24, 1998
Inventor
Takafumi Yamaji
Ichikawa
JP
Tetsuro Itakura
Tokyo
JP
Akira Yasuda
Kawasaki
JP
Agent
Oblon Spivak McClelland Maier & Neustadt P C
Assignee
Kabushiki Kaisha Toshiba
JP
IPC
H03M 3/00
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