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US 2003/0145267 A1Published application
Built-in test signal attenuation circuit
AssigneeThe Boeing Company
InventorDaniel N. Harres
Life of this patent
Estimating the term…
Abstract
A test signal attenuation circuit built into a signal transmitter for modifying the energy content of the transmitter output signal includes means for generating an attenuated, degraded, chopped signal for purposes of testing the performance of a link under degraded conditions.
Claims14
A test signal attenuation circuit comprising:
- a signal transmitter;
- a circuit for generating a binary-level waveform;
- a circuit for providing a chopping signal for a square type waveform;
- and
- a circuit for combining said binary-level waveform and said chopping signal to produce an attenuated chopped signal having less energy content than said original, generated binary-level waveform.
2 more elements
A test signal attenuation circuit comprising:
- a signal transmitter;
- a circuit for generating a binary-level waveform;
- a circuit for providing a chopping signal for a binary-level waveform;
- and
- a chopping circuit for combining said binary-level waveform and said chopping signal to produce an attenuated chopped signal having less energy content than said original binary-level waveform;
- said chopping circuit providing an attenuated chopped signal having a narrower pulse width than the original binary-level waveform.
3 more elements
A test signal attenuation circuit comprising:
- a signal transmitter;
- a circuit for generating a binary-level waveform;
- a circuit for providing a chopping signal for a binary-level waveform;
- a chopping circuit for combining said binary-level waveform and said chopping signal to produce an attenuated chopped signal having less energy content than said original, generated binary-level waveform;
- and
- said chopping circuit providing an attenuated chopped signal having a narrower pulse width than the original binary-level waveform.
3 more elements
A method of developing an electrical test signal comprising the steps of:
- activating a signal transmitter;
- generating a binary-level waveform;
- providing a chopping signal for a square type waveform;
- and
- combining said binary-level waveform and said chopping signal to produce an attenuated chopped signal having less energy content than the original binary-level waveform.
2 more elements
Dependencies are inferred from the claim text.