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US 2004/0201510 A1Published application
Single end to differential signal converter
AssigneeAgilent Technologies, Inc.
InventorMamoru Tamba
Life of this patent
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Abstract
A single end to differential signal converter comprising a low-frequency transmission step, which mixes the direct current and low-frequency components of single-ended signals with in-phase voltage signals to generate low-frequency signals, and a high-frequency transmission step, which mixes the high-frequency component of these single-ended signals and these low-frequency transmission signals to generate differential signals.
Claims5
A single end to differential signal converter, comprising
- an input for receiving at least one single-ended signal;
- an input for receiving at least one in-phase voltage signal;
- an output for emitting at least one differential signal;
- a low-frequency transmitter that mixes a direct current and low-frequency component of said single-ended signal with said in-phase voltage signal, thereby generating a low-frequency transmission signal;
- and
- a high-frequency transmitter that mixes a high-frequency component of said single-end signal with said low-frequency transmission signal, thereby generating a differential signal.
3 more elements
An analog-digital conversion method, comprising
- mixing a direct current and a low-frequency component of at least one single-ended signal with at least one in-phase voltage signal to produce a low-frequency transmission signal;
- mixing a high-frequency component of said single-ended signal and said low-frequency transmission signal, thereby generating a differential signal;
- and
- converting said differential signal to a digital signal.
1 more element
A measuring apparatus, comprising
- a signal input that inputs at least one measurement signal;
- an in-phase voltage signal generator that generates at least one in-phase voltage signal;
- a low-frequency transmitter that mixes a direct current and low-frequency component of said measurement signal with said in-phase voltage signal, thereby generating a low-frequency transmission signal;
- a differential signal generator that mixes a high-frequency component of said measurement signal and said low-frequency transmission signal, thereby generating a differential signal;
- an analog to digital converter that converts said differential signal to a digital signal;
- and
- a signal processor that processes said digital signal.
4 more elements
Dependencies are inferred from the claim text.