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WHM2040AE Datasheet Preview

WHM2040AE Datasheet

LOW NOISE AMPLIFIER

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www.DataSheet4U.com
REV B
www.wantcominc.com
1.8 – 4.0 GHz LOW NOISE AMPLIFIER WHM2040AE1
WHM2040AE LNA is a low noise figure, wideband, and high linear SMT
packaged amplifiers with unconditional stable design. The amplifier offers typical
1.10 dB noise figure and 26 dBm output IP3 at the frequency range from 1.8 GHz to
4.0 GHz of DCS, PCS, 3G, ISM, S, and C bands. WHM2040AE LNA is most suitable
for cellular base stations, wireless data communications, tower top receiver amplifiers,
last-mile wireless communication systems, and wireless measurement applications.
WHM2040AE is designed to meet the rugged standards of MIL-STD-202
and MIL-STD-883.
Key Features:
Impedance:
MTBF2:
LGA (land grid array) package:
Unconditional Stable:
Low Noise:
Output IP3:
Gain:
P1dB:
Single power supply:
Frequency Range:
Operating Temperature:
Return Losses:
Small size:
Built-in Functions:
50 Ohm
>600,000 hrs (68 Years)
6-pin
k>1
1.10 dB
26.0 dBm
26.0 dB
13.0 dBm
50 mA @ +5V
1.8 ~ 4.0 GHz
-40 ~ +85 ºC
16 dB Typical
0.30” x 0.30” x 0.060” (7.62 mm x 7.62 mm x 1.52 mm)
DC blocks at input and output, temperature compensation
circuits, and auto DC biases.
Absolute Maximum Ratings3:
Symbol
Vdd
Idd
Pdiss
PIn,Max
Tch
TSTG
TO,MAX
Rth,c
Parameters
DC Power Supply Voltage
Drain Current
Total Power Dissipation
RF Input Power
Channel Temperature
Storage Temperature
Maximum Operating
Temperature
Thermal Resistance
Units
V
mA
mW
dBm
°C
°C
°C
°C/W
Absolute Maximum
7.0
70
400
10
150
-65 ~ 150
-55 ~ 100
215
1 Specifications are subject to change without notice.
2 MTBF: Mean Time Between Failure, Per TR-NWT-000332, ISSUE 3, SEPTEMBER, 1990, T=40 oC
3 Operation of this device above any one of these parameters may cause permanent damage.
DataSheet4 U .com
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WHM2040AE Datasheet Preview

WHM2040AE Datasheet

LOW NOISE AMPLIFIER

No Preview Available !

www.DataSheet4U.com
REV B
www.wantcominc.com
Specifications:
a) Table 1 Summary of the electrical specifications WHM2040AE at room temperature
Index
1
2
3
4
5
6
7
8
9
10
11
12
13
Testing Item
Gain
Gain Variation
Input Return Loss
Output Return Loss
Reverse Isolation
Noise figure
Output Power 1dB
compression Point
Output-Third-Order
Interception point
Current Consumption
Power Supply Voltage
Thermal Resistance
Operating Temperature
Maximum Average RF Input
Power
Symbol
S21
G
S11
S22
S12
NF
P1dB
IP3
Idd
Vdd
Rth,c
To
PIN, MAX
Test Constraints
1.8 – 4.0 GHz
1.8 – 4.0 GHz
1.8 – 4.0 GHz
1.8 – 4.0 GHz
1.8 – 4.0 GHz
1.8 – 4.0 GHz
1.8 – 4.0 GHz
Two-Tone, Pout +0 dBm
each, 1 MHz separation
Vdd= +5 V
Junction to case
1.8 – 4.0 GHz
Nom (RT)
26
+/- 1
18
18
45
1.10
13
26
50
+5
Min
25
14
14
40
12
24
45
+4.7
-40
Max
+/- 1.3
1.4
Unit
dB
dB
dB
dB
dB
dB
dBm
dBm
55
+5.3
215
+85
10
mA
V
oC/W
oC
dBm
b) Passband Frequency Response
As shown in Figure 1, the typical gain of the WHM2040AE is 26.0 dB across 1.8 to 4.0 GHz. The typical
input and output return losses are 18 dB across the frequency of 1.8 to 4.0 GHz.
Figure 2 shows the measured P1dB and IP3 of the WHM2040AE. The typical P1dB and IP3 are 13.0 dBm and
26.0 dBm in the frequency range of 1.8 to 4.0 GHz, respectively.
Figure 3 illustrates the measured noise figure performance at full temperature. The measured results include
the test fixture loss of approximately 0.10 dB. The noise figure is 1.10 ~ 1.30 dB across the frequency range of 1.8 to
4.0 GHz at room temperature. At 85 0C, WHM2040AE only has 0.30 dB noise increases. At –40 0C, WHM2040AE
offers approximately 0.25 dB less noise figure than that at room temperature.
Figure 4 demonstrates the stability factor k of the amplifier. It is greater than 1.0 in any frequency band and
the amplifier is unconditional stable.
Figure 5 is the block diagram of internal circuit of WHM2040AE. It is a two-stage amplifier with the DC
block capacitors at the input and output RF ports. All the RF matching networks, DC bias circuitries, and temperature
compensation circuits are built in.
Figure 6 demonstrates the application schematic diagram of WHM2040AE. It may require one external
decoupling capacitor of 0.01 uF to build a LNA with WHM2040AE. The +5V DC can be applied at Pin 3. No DC
block capacitor is required for both input and output RF ports. The NC pins connected to ground are recommended.
For +5V line trace length being longer than 6 inch without a decoupling capacitor, an additional 0.01 ~ 0.1 uF de-
coupling capacitor with minimum rating voltage of 10V may be needed across the +5V line to ground. The capacitor
must be rated in the temperature range of -40 0C to 85 0C to ensure the entire circuit working in the specified
temperature range.
Figure 7 shows the mechanical outline and recommended motherboard layout of WHM2040AE. Plenty of
ground vias on the motherboard are essential for the RF grounding. The width of the 50-Ohm lines at the input and
output RF ports may be different for different property of the substrate.
DataSheet4 U .com
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Part Number WHM2040AE
Description LOW NOISE AMPLIFIER
Maker ETC
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