參數(shù)資料
型號(hào)： MGA-53543-TR2
廠商： AGILENT TECHNOLOGIES INC
元件分類： 放大器
英文描述： 50 MHz - 6000 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
封裝： PLASTIC, SC-70, SOT-343, 4 PIN
文件頁(yè)數(shù)： 9/14頁(yè)
文件大?。?/td> 181K
代理商： MGA-53543-TR2
9
Performance of MGA-53543 at
1900 MHz
With a device voltage of +5V,
demonstration board MGA-5X
delivers a measured noise figure
of 1.78 dB and an average gain of
14.5 dB as shown in Figure 11.
Gain here is slightly lower than
data sheet due to the losses
acquired in creating a stable
broadband match. Input and
output VSWR are both better
than 2:1 at 1900 MHz, with input
return loss being 10 dB and
output return loss at 13 dB.
FREQUENCY (GHz)
G
1.6
20
15
10
5
0
2.6
1.8
2.2
2.4
2
Gain
NF
Figure 11. Gain and Noise Figure vs
Frequency.
FREQUENCY (GHz)
R
1.6
0
-5
-10
-15
-20
-25
2.6
1.8
2.2
2.4
2
S11
S22
Figure 12. Input and Output return loss vs
Frequency.
More significant is the linearity
delivered by MGA-53543 at
1900 MHz. Figure 13 plots OIP3
over a frequency range from
1850 MHz to1950 MHz.
This device produces IIP3 of
24 dBm, OIP3 of 38 dBm and
P1dB of 17.8 dBm at 1900 MHz.
FREQUENCY (MHz)
O
1840
45
40
35
30
25
2000
1880
1920
1960
RX
TX
Figure 13. OIP3 vs. Frequency.
Due to component parasitics and
part variations, actual perfor-
mance may not be identical to
this example.
900 MHz HLA Design
Optimizing the MGA-53543 for
maximum linearity at the Cellu-
lar band follows very similar to
that of 1900 MHz, except that the
input and output tuning condi-
tions will change according to the
linearity table on the data sheet.
Figure 14 below shows the
schematic diagram for a com-
plete 900 MHz circuit using
Γ
s
of
0.15
∠
-90
°
and
Γ
L
of
0.05
∠
-165
°
. Table 4 shows the
component parts list used.
An optional 2.2
resistor at the
input helps resistively load the
amplifier and improve stability
but slightly degrade noise figure.
2.2
2.2
+5V
15 nH
22 nH
3
4
1
2
4.7 pF
1000 pF
5.6 pF
RF
in
RF
out
53
Figure 14. Schematic diagram for 900 MHz HLA.
22 nH
TOKO LL1608-FS22N
15 nH
TOKO LL1005-FS15N
2.2
RHOM MCR01J2R2
4.7 pF
Phycomp 0402CG479C9B200
5.6 pF
Phycomp 0402CG569D9B200
1000 pF
Phycomp 04022R102K9B200
Table 4. Component parts list for the
MGA-53543 HLA at 900 MHz.
IN
C1
L1
R1
J1
OUT
L2
C2
J2
C3
R2
Vd
SE 02/01
MGA - 5X
53
Figure 15. RF Layout for 1900 MHz HLA .
3.3 nH
TOKO LL1608-FS3N3S
47 nH
TOKO LL1005-FH47N
2.2
RHOM MCR01J2R2
2.2 pF
Phycomp 0402CG229C9B200
8.2 pF
Phycomp 0402CG829D9B200
150 pF
Phycomp 0402CG151J9B200
0.1
μ
F
Phycomp 06032F104M8B20
Table 3. Component parts list for the
MGA-53543 HLA at 1900 MHz.
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