MULTIPLE TIMEBASE SAMPLING SCOPE
First Claim
1. A test and measurement instrument, comprising:
- a first input port configured to receive a first input signal modulated according to a first clock signal;
a second input port configured to receive a second input signal modulated according to a second clock signal, such that the first clock signal and the second clock signal are asychronous;
a phase reference circuit coupled to the second input port and configured to generate clock data corresponding to the second clock signal;
a processor configured to;
determine a first time base for the first input signal; and
determine a second time base for the second input signal based on the generated clock data, such that the first time base and the second time base comprise different rates; and
a display coupled to the processor and configured to;
display the first input signal in a first graticule according to the first time base; and
display the second input signal in a second graticule according to the second time base.
1 Assignment
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Accused Products
Abstract
A test and measurement instrument includes a first input port and a second input port that receive a first input signal modulated according to a first clock signal and a second input signal modulated according to a second clock signal, respectively. The first clock signal and the second clock signal may be asynchronous. The instrument also includes a phase reference that generates clock data for the second clock signal. The instrument includes a processor that determines time bases for the input signals that comprise different rates based on the received and/or generated clock data. The instrument also includes a display coupled to the processor. The display concurrently displays the first input signal in a first graticule according to the first time base and the second input signal in a second graticule according to the second time base.
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Citations
15 Claims
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1. A test and measurement instrument, comprising:
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a first input port configured to receive a first input signal modulated according to a first clock signal; a second input port configured to receive a second input signal modulated according to a second clock signal, such that the first clock signal and the second clock signal are asychronous; a phase reference circuit coupled to the second input port and configured to generate clock data corresponding to the second clock signal; a processor configured to; determine a first time base for the first input signal; and determine a second time base for the second input signal based on the generated clock data, such that the first time base and the second time base comprise different rates; and a display coupled to the processor and configured to; display the first input signal in a first graticule according to the first time base; and display the second input signal in a second graticule according to the second time base. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method implemented in a test and measurement instrument, the method comprising:
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receiving a first input signal modulated according to a first clock signal; receiving a second input signal modulated according to a second clock signal, such that the first clock signal and the second clock signal are asychronous; generating, by a phase reference circuit, clock data corresponding to the second clock signal; determining, by a processor, a first time base for the first input signal; determining, by the processor, a second time base for the second input signal based on the generated clock data, such that the first time base and the second time base comprise different rates; displaying, on a display, the first input signal in a first graticule according to the first time base; and displaying, on the display, the second input signal in a second graticule according to the second time base. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A non-transitory computer readable medium having stored thereon a computer program product for execution by a processor configured to perform test and measurement, the computer program causing the processor to perform a method comprising:
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receiving a first input signal modulated according to a first clock signal; receiving a second input signal modulated according to a second clock signal, such that the first clock signal and the second clock signal are asychronous; generating, by a phase reference circuit, clock data corresponding to the second clock signal; determining, by the processor, a first time base for the first input signal; determining, by the processor, a second time base for the second input signal based on the generated clock data, such that the first time base and the second time base comprise different rates; displaying, on a display, the first input signal in a first graticule according to the first time base; and displaying, on the display, the second input signal in a second graticule according to the second time base. - View Dependent Claims (14, 15)
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Specification