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STPAC01F2 датащи(PDF) 3 Page - STMicroelectronics |
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STPAC01F2 датащи(HTML) 3 Page - STMicroelectronics |
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3 / 7 page ![]() STPAC01F2 Characteristics 3/7 Figure 3. VDCout measurement circuit Figure 4. VDCout versus RF input power VDCOut IDC RF in VBIAS DC output voltage RF generator Power supply Current generator STPAC test board Multimeter 0.8 1 1.2 1.4 1.6 1.8 2 -20 -15 -10 -5 0 5 10 Pin (dBm) VDCout 850MHz 1850MHz Tamb = 25°C Ibias = 50µA Vbias = 2.7V Figure 5. Relative variation of VDCout versus frequency (from 800 to 900 MHz) Figure 6. Relative variation of VDCout versus frequency (from 1800 to 1900 MHz) 0.9 0.95 1 1.05 800 825 850 875 900 Frequency in MHz V DCout (Freq.) / VDCOut (850MHz) V DCout (Freq.) / VDCOut (850MHz) 0.9 0.95 1 1.05 1800 1825 1850 1875 1900 Frequency in MHz Figure 7. Temperature effect measurement circuit on VDCout Figure 8. Vtemp measurement circuit VDCOut IDC RF in VBIAS DC output voltage RF generator Power supply Current generator STPAC test board Multimeter Climatic chamber Vtemp IDC VBIAS Temp. voltage Power supply Current generator STPAC test board Multimeter Climatic chamber |
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