System and method for testing power durability of saw filter
First Claim
1. A system for testing a power durability of a surface acoustic wave (SAW) filter, comprising:
- a signal generator for generating a continuous wave of an oscillator;
a high power amplifier for amplifying a signal applied from the signal generator into a target power level;
a power durability tester (PDT) for receiving the amplified signal from the high power amplifier and monitoring a power applied to a SAW filter, and setting a path for monitoring an electrical property through a network analyzer;
a power meter for measuring an output signal of the PDT;
a controller for changing a path to monitor an electric property of the PDT;
the network analyzer for analyzing an electrical property of the SAW filter;
a reliability tester for applying a test temperature to the SAW filter and maintaining the applied test temperature;
a thermal meter for measuring a temperature of the SAW filter;
a temperature controller for controlling a test temperature applied to the reliability tester; and
a computer for controlling the signal generator, the power meter, the network analyzer, the controller, the temperature controller, and the thermal meter.
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Accused Products
Abstract
A system for testing a power durability of a SAW filter includes: a signal generator for generating a continuous wave of an oscillator; a high power amplifier for amplifying a signal applied from the signal generator into a target power level; a power durability tester (PDT) for receiving the amplified signal from the high power amplifier and monitoring a power applied to a SAW filter, and setting a path for monitoring an electrical property through a network analyzer; a power meter for measuring an output signal of the PDT; a controller for changing a path to monitor an electric property of the PDT; the network analyzer for analyzing an electrical property of the SAW filter; a reliability tester for applying a test temperature to the SAW filter and maintaining the applied test temperature; a thermal meter for measuring a temperature of the SAW filter; a temperature controller for controlling a test temperature applied to the reliability tester; and a computer for controlling the signal generator, the power meter, the network analyzer, the controller, the temperature controller, and the thermal meter.
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Citations
5 Claims
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1. A system for testing a power durability of a surface acoustic wave (SAW) filter, comprising:
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a signal generator for generating a continuous wave of an oscillator;
a high power amplifier for amplifying a signal applied from the signal generator into a target power level;
a power durability tester (PDT) for receiving the amplified signal from the high power amplifier and monitoring a power applied to a SAW filter, and setting a path for monitoring an electrical property through a network analyzer;
a power meter for measuring an output signal of the PDT;
a controller for changing a path to monitor an electric property of the PDT;
the network analyzer for analyzing an electrical property of the SAW filter;
a reliability tester for applying a test temperature to the SAW filter and maintaining the applied test temperature;
a thermal meter for measuring a temperature of the SAW filter;
a temperature controller for controlling a test temperature applied to the reliability tester; and
a computer for controlling the signal generator, the power meter, the network analyzer, the controller, the temperature controller, and the thermal meter. - View Dependent Claims (2, 3, 4)
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5. A method for testing a power durability of a SAW filter, comprising the steps of:
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controlling first and second switches to measure an electrical property of the SAW filter using a network analyzer before test;
controlling the first and second switches to applying a high-power continuous wave signal to the SAW filter;
measuring a test power of the continuous wave and an output power of the SAW filter using a power meter;
when the test power and the output power deviate from a failure criterion, automatically interrupting the continuous wave signal from the signal generator and finishing the test; and
measuring the electrical properties of the SAW filter after the test through the network analyzer by using the first and second switches.
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Specification