RF2938 Просмотр технического описания (PDF) - RF Micro Devices
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производитель
RF2938 Datasheet PDF : 20 Pages
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VIN versus POUT
(VCC=2.7V to 3.6V, I & Q in=1MHz, RBW=10kΩ, IF LO=560MHz@-10dBm)
-3.0
-4.0
Pout, -40°C
Pout, 25°C
-5.0
Pout, 85°C
-6.0
-7.0
-8.0
-9.0
-10.0
-11.0
-12.0
-13.0
-14.0
-15.0
-16.0
-17.0
100.0
200.0
300.0
400.0 500.0
VIN (mVP-P)
600.0
700.0
800.0
-14.4
TX IF POUT versus IF LO
(VCC=3.15V, I & Q in=1MHz@100mVP-P, RBW=10kΩ, IF LO=560MHz)
-14.6
-14.8
-15.0
-15.2
Pout, -40°C
Pout, 25°C
Pout, 85°C
-15.4
-15.6
-15.8
-16.0
-16.2
-16.4
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
IF LO (dBm)
RF Conversion Gain versus RF LO Level
(VCC=3.15V, Tx IF in=280MHz@-50dBm, RF LO=2160MHz)
20.0
19.5
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
25C Gain
15.0
85C Gain
14.5
-40C Gain
14.0
13.5
13.0
12.5
12.0
11.5
11.0
-20.0 -18.0 -16.0 -14.0 -12.0 -10.0 -8.0 -6.0 -4.0 -2.0 0.0 2.0 4.0 6.0
RF LO (dBm)
Rev A8 010418
RF2938
VIN versus Amplitude Error
(VCC=2.7V to 3.6V, I & Q in=1MHz, RBW=10kΩ, IF LO=560MHz@-10dBm)
0.60
Ampl Err, -40°C
Ampl Err, 25°C
0.50
Ampl Err, 85°C
0.40
0.30
0.20
0.10
0.00
0
100
200
300
400
500
600
700
800
VIN (mVP-P)
-22.0
-24.0
-26.0
-28.0
-30.0
-32.0
-34.0
-36.0
-38.0
-40.0
-42.0
-44.0
-46.0
-48.0
-50.0
-52.0
-54.0
-56.0
-58.0
-60.0
-62.0
-25.0
LO & 2LO Out versus IF LO
(VCC=3.15V, IF LO=560MHz)
LO_out, -40°C
2LO_out, -40°C
LO_out, 25°C
2LO_out, 25°C
LO_out, 85°C
2LO_out, 85°C
-20.0
-15.0
-10.0
-5.0
0.0
IF LO (dBm)
RF LOOUT & RF 2LOOUT versus RF LO Level (VCC=3.15V,
VGC=1.5V, Tx IF in=280MHz@-50dBm, RF LO=2160MHz, 2LOOUT=4320MHz)
0.0
-5.0
-10.0
25C LOout
85C LOout
-40C LOout
25C 2LOout
85C 2LOout
-15.0
-20.0
-25.0
-30.0
-35.0
-40.0
-45.0
-50.0
-20.0 -18.0 -16.0 -14.0 -12.0 -10.0 -8.0 -6.0 -4.0 -2.0 0.0 2.0 4.0 6.0
RF LO (dBm)
11
2-15
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