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STPAC01F2 Folha de dados(PDF) 3 Page - STMicroelectronics

Nome de Peças STPAC01F2
Descrição Electrónicos  IPAD TM, RF detector for power amplifier control
PDF  7 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPAC01F2 Folha de dados(HTML) 3 Page - STMicroelectronics

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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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