RF2938 Просмотр технического описания (PDF) - RF Micro Devices
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RF2938 Datasheet PDF : 20 Pages
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RF2938
11
RX ICC versus VCC (VGC=1.2V to 2.0V, I & Q_out=500mVP-P,
70.00
69.50
69.00
68.50
68.00
67.50
IF LO=560MHz@-10dBm, RBW=100kΩ)
Icc, -40°C
Icc, +25°C
Icc, +85°C
67.00
66.50
66.00
65.50
65.00
64.50
64.00
63.50
63.00
62.50
62.00
61.50
61.00
60.50
60.00
59.50
59.00
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
VCC (VDC)
-15.00
Input P1dB versus VGC (Temp=Ambient, VCC=3.15V,
RX IFIN=280.5MHz, RBW=100kΩ, IF LO=560MHz@-10dBm)
-20.00
-25.00
-30.00
-35.00
-40.00
-45.00
-50.00
-55.00
-60.00
-65.00
-70.00
-75.00
-80.00
-85.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
VGC [VDC]
I & Q Amplitude Balance versus VGC (VCC=3.15V, RX IFIN=280.5MHz,
RBW=100kΩ , I & Q out=500mVP-P, IF LO=560MHz@-10dBm)
3.00
Ampl_Err, -40°C
Ampl_Err, +25°C
2.50
Ampl_Err, +85°C
2.00
1.50
1.00
0.50
0.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
VGC (VDC)
2-18
RX Gain versus VGC (VCC=2.7-3.6V, RX IFIN=280.5MHz, RBW=100kΩ , I & Q
out=500mVP-P, IF LO=560MHz@-10dBm)
100.00
95.00
90.00
Gain, -40°C
Gain, +25°C
Gain, +85°C
85.00
80.00
75.00
70.00
65.00
60.00
55.00
50.00
45.00
40.00
35.00
30.00
25.00
20.00
15.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
VGC (VDC)
38.00
Noise Figure versus VGC (Temp=Ambient, VCC=3.15V,
RX IFIN=291MHz, RBW=5.1kΩ, IF LO=560MHz@-10dBm)
36.00
34.00
32.00
30.00
28.00
26.00
24.00
22.00
20.00
18.00
16.00
14.00
12.00
10.00
8.00
6.00
4.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
VGC [VDC]
12.00
I & Q Phase Balance versus VGC (VCC=2.7-3.6V,
RX IFIN=280.5MHz, RBW=100kΩ , I & Q out=500mVP-P, IF LO=560MHz@-10dBm)
11.00
10.00
9.00
8.00
7.00
6.00
5.00
4.00
3.00
Phase Err, -40°C
2.00
Phase Err, +25°C
1.00
Phase Err, +85°C
0.00
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
VGC (VDC)
Rev A8 010418
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