Performance of Circulators Under Peak and Average Power Conditions
●This Application Note describes the power testing of Skyworks circulators. A number of circulators for different frequency bands were selected. Due to the limited availability of RF pulse power sources that can supply peak power at the maximum rated duty cycle, the performance of each circulator was evaluated using three separate test configurations using rated average power and peak power:
■Insertion loss measured with a 20 μs peak power pulse @ 1 percent duty cycle.
■Insertion loss measured with a 100 μs peak power pulse @ 10 percent duty cycle.
■Insertion loss measured under continuous power condtions.
●The peak pulse power source available supplies 2 kW of peak power for 20 μs at a 1 percent duty cycle(test setup A –see Figure 2). An additional setup that provides longer pulses (100 μs) at a higher duty cycle (10 percent) at up to 1800 W was used to test two parts at 1030 MHz(test setup B –see Figure 4). Finally, circulators were measured with a continuous input power of 200W (test setup C –see Figure 6).
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MAFR-000409-000001 、 MAFR-000493-000001 、 MAFR-000399-000001 、 MAFR-000403-000001 、 MAFR-000514-000001 |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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February 13, 2012 |
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201789A |
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672 KB |
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