SX1701 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SX1701
Semtech Corporation
'SX1701' PDF : 13 Pages View PDF
ADVANCED COMMUNICATION & SENSING PRODUCTS
SX1701
Datasheet
3.3 TYPICAL OPERATING CHARACTERISTICS
The curves below give the typical RF performances of the LNA under the following conditions:
VDD = 5.0 V, Temperature = 25 °C, Z Source = 75Ω, ZLoad = 100Ω differential, Frequency range = 40 MHz to 2.5 GHz,
input matching network according to application schematics of figure 4.
Gain
20
G=18dB
Input and Output Return Loss (Gain = 18dB)
0
0
15
G=12dB
10
-10
-10
IRL
-20
-20
G = 6dB
5
-30
-30
ORL
0
-40
-40
0
0.5
1
1.5
2
2.5
0
0.5
1
1.5
2
2.5
Frequency (GHz)
Frequency (GHz)
Noise Figure
14
Output IP2 & IP3 (Gain = 18dB)
80
40
13
G = 6dB
12
11
f2 = f1 + 0.1 GHz
70
30
OIP3
10
60
20
G=12dB
9
8
G=18dB
7
50
10
OIP2
6
40
0
0
0.5
1
1.5
2
2.5
0
0.5
1
1.5
2
2.5
Frequency (GHz)
f1 (GHz)
Gain Compression
Common Mode Rejection
20
G=18dB
15
50
40 G=18dB
G=12dB
30
10
G=6dB
5
G=12dB
20
G=6dB
10
0
-15
-10
-5
0
Input power (dBm)
0
5
0
0.5
1
1.5
2
2.5
Frequency (GHz)
Figure 2. Typical Operating Characteristics Curves.
V1.11_STD – August 20th, 2008
7/13
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