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TQL9044_15 Datasheet, PDF (3/8 Pages) TriQuint Semiconductor – 1500 to 4000 MHz Bypass LNA
TQL9044
1500 – 4000 MHz Bypass LNA
TQL9044-PCB Evaluation Board
J4 V2
J5 V1
Optional Single Control Voltage
Configuration for 2 Mode Operation
V1
R4
C1
U1
C2
C5
C6
R1
R2
0
U1
1
C1
2
J1
3
RF
Input 100 pF
4
5
J8 GND
R3
R2
39K 
0
R4
10K 
10
9
C2
J2
8
RF
7
100 pF Output
6
L1
R1
18 nH
0603
C5
100 pF
C6 0 
1 uF
R3
39K 
J3
VDD
Note:
If a TQL9044 application requires only two operational modes, LNA and
bypass, the modes may be set using a single control voltage with the control
lines tied together as shown above right. The corresponding truth table is
shown below.
Control Truth Table – 2 Mode Operation
See Evaluation Board PCB Information section
for PCB material and stack-up.
C3
C4
V1
State
1
LNA OFF, Bypass ON
0
LNA ON, Bypass OFF
Bill of Material – TQL9044-PCB
Reference Des.
U1
C1, C2, C3, C4, C5
C6
R1, R2
R3
R4
L1
Value
n/a
100 pF
1.0 uF
0Ω
39K
10K
18 nH
Description
Bypass LNA
CAP, 0402, +/-5%, 50V
Cap., Chip, 0402, 10%, 10V, X5R
RES, 0402, +/-5%, 1/10W
RES, 0402, +/-5%, 1/10W
RES, 0402, +/-5%, 1/10W
IND, 0603, +/-5%
Manuf.
TriQuint
Panasonic
various
various
various
various
Coilcraft
Power-up and Power-down Sequencing
LNA ON, Bypass OFF
LNA OFF, Bypass ON
Power-up
Power-down
Power-up
Power-down
VDD
1st
1st
1st
1st
VCTRL1 & VCTRL2
2nd
2nd
2nd
2nd
Part Number
TQL9044
ECJ-0EC1H101J
0603CS-18NXJL
Datasheet: Rev F 04-13-15
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