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2.45 GHz Detector Demonstration Board - App Note

From Avago Technologies
 

 
This demonstration board allows you to test and evaluate the performance of the HSMS-2850 zero bias Schottky diode in a 2.45 hz detector circuit. To test the detector circuit, first perform a swept frequency measurement of input return loss. Take care to insure that the RF power applied to the input to the circuit is less than or equal to -30 dBm, and that the output of the detector circuit is terminated in a 100 K@ load. The measured return loss will look soimething like that shown in Figure 3, covering the range of 2.3 to 2.7 GHz. In this example, input return loss hits a minimum just above 2.5 Ghz, about 2% high in frequency.
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Topics of Interest
The zero bias Schottky diode detector is ideal for RF/ID tag applications where it can be used to fabricate a receiver which consumes no primary power. However, its performance is heavily dependent... (Read More)
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