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STPAC02F1 Datasheet(PDF) 3 Page - STMicroelectronics

Part # STPAC02F1
Description  RF DETECTOR FOR POWER AMPLIFIER CONTROL WITH INTERNAL TEMPERATURE COMPENSATION IPADTM
PDF  5 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPAC02F1 Datasheet(HTML) 3 Page - STMicroelectronics

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STPAC02F1
3/5
STPAC02
Bias voltage
OUT
RF in
RF
Generator
Power
supply
RF power amplifier
DC out
voltage
RLOAD
Climatic Chamber
-30ºC < T amb < +85°C
Fig. 1: VDC output measurement circuit and tem-
perature compensation measurement.
STPAC02
Bias
voltage
OUT
RF in
RF
Generator
RF scope
RF power amplifier
RF in
Out
Fig. 2: RF Power ON/OFF response time set-up.
STPAC02
Bias
voltage
OUT
RF in
RF
Generator
RF scope
RF power amplifier
t Pon
OUT
Bias voltage
Fig. 3: Power supply turn ON response time.
0.0
0.1
0.2
0.3
-15
-10
-5
0
5
10
15
Delta V
(mV/°C)
OUT
Pin (dBm)
Fig. 4: Temperature sensitivity versus RF Power
in (VBIAS = 2.8V, Freq. = 900 MHz).
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
-20
-15
-10
-5
0
5
10
15
20
Pin (dBm)
Vout @ 25ºC (Vdc)
900MHz
1750MHz
Fig. 5: STPAC02 Output voltage vs. wide RF
power range.
0
20
40
60
80
100
120
140
-20
-15
-10
-5
0
5
10
15
20
Pin (dBm)
Sensitivity(mV/dB)
Fig. 6: Power detector sensitivity vs. wide RF
power range.



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