DEMO-MGA-16X16B Datasheet, PDF (11/17 Pages) Broadcom Corporation. – Dual LNA for Balanced Application 450 – 1450 MHz

BALANCED MODE APPLICATION
Electrical Specifications
T_A = 25° C, Vdd1 = Vdd2 = 4.8 V, Idd1 = Idd2 = 60 mA at Rbias =1.5 kohm, RF performance at 900 MHz, CW operation
unless otherwise stated.
Symbol
Vdd
Idd
Gain
NF
OP1dB
IIP3
S11
S22
S12
Parameter and Test Condition
Supply Voltage per amplifier
Supply Current per amplifier
Gain
Noise Figure
Output Power at 1dB Gain Compression
Input Third Order Intercept Point
Input Return Loss, 50 Ω source
Output Return Loss, 50 Ω load
Reverse Isolation
Units
V
mA
dB
dB
dBm
dBm
dB
dB
dB
Typ.
4.8
60
18.2
0.37
23.9
21.6
-24.1
-34.7
-23.1
Balanced Amplifier Demo Board Layout
MGA-16X16 Demoboard
(2-Port)
Rev 1
RFIN
C20
C6
C2
C5 _C4
R1
C1
L1
X1
C3
C16
L2
C12
C15 ^C14
R6
C13
R2
RO4350
DK 3.48
R9 R10
H 10mil
W 0.58mm
G 0.45mm
C23
C24
C25
C8
R3 _R4
C7 _{L3 C10 C11}
R5
RFOUT
CC919
C21 ^{L4 C18}
R7
C22
R8
C26
X2
C17
APRIL 2011
Figure 18. Balanced Amplifier Demo Board Layout Diagram
Notes:
1. Recommended PCB material is 10 mils Rogers RO4350.
2. Suggested component values may vary according to layout and PCB material.
3. Input board loss at 900 MHz is 0.133 dB.
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