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CX77105-16P 데이터시트(PDF) 6 Page - Skyworks Solutions Inc. |
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CX77105-16P 데이터시트(HTML) 6 Page - Skyworks Solutions Inc. |
6 / 17 page Characterization Data CX77105 Power Amplifier Module for CDMA/AMPS (824–849 MHz) 6 Skyworks Solutions, Inc. Proprietary 101787A December 10, 2002 Characterization Data The following graphs illustrate the characteristics of a typical CX77105 power amplifier designed for operation in the cellular frequency band (824–849 MHz). This amplifier was selected by characterizing a group of devices and then selecting a part with average electrical performance for both nominal and the full range of recommended operating conditions, including worst case limits. Figures 1 through 7 illustrate the digital signal characteristics of the CX77105. Shown are power sweep characteristics for key performance parameters, over temperature and frequency, up to 28.5 dBm output power. The data was taken up to and including 16 dBm output power with the bias mode control pin setting of VCONT = 2.5 volts. Beyond 16 dBm output power, the VCONT was set to 0volts. Figure 1. Digital Mode Gain vs. Output Power 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 0 5 10 15 20 25 30 Output Power (dBm) +25 ˚C –30 ˚C +85 ˚C VCONT > 2.5 V VCONT < 0.5 V VREF = 3.0 V VCC = 3.4 V 101787_009 837 @ +25 837 @ +25 ˚C 824 @ 824 @ –30 30 ˚C 824 @ +25 824 @ +25 ˚C 824 @ +85 824 @ +85 ˚C 837 @ 837 @ –30 30 ˚C 837 @ +85 837 @ +85 ˚C 849 @ 849 @ –30 30 ˚C 849 @ +25 849 @ +25 ˚C 849 @ +85 849 @ +85 ˚C Legend |
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