TQM8M9079
500−2700 MHz Variable Gain Amplifier
TQM8M9079-PCB Evaluation Board (500−2700 MHz)
J6-19 J6-17
J6-1
J6-2
J1
J5
Notes:
1. See Evaluation Board PCB Information
C7
C6
section for material and stack-up.
2. 0 Ω jumpers are not shown on the schematic
and may be replaced with copper trace in the
target application layout.
Z9
C3
Z1
Z7
C5
L2
Z4
Z10
Z14
Z11
U1
Z5
C4
J6-1
VCC (VVA)
J6-19
VCC (AMP2)
C6
C7
B1
C1
24 Ω
1000pF
0.01uF
C3
0.01uF
L1
100pF
18nH
L3
18nH
J6-2 GND
Z2
J1
20
RF
Z9
0.01uF
J5
Input
1
15
13
11
J6-19
VCC (AMP1)
L2
18nH
RF
Output
R1
0.01uF
3
5
24 Ω
U1
Z4
Z11
C5
0.01uF
C2
100pF
0.01uF
0.01uF
8
L4
18nH
C4
J6-17
VCTRL
100pF
Bill of Material − TQM8M9079-PCB
Reference Des.
N/A
Value Description
Manuf. Part Number
N/A
Printed Circuit Board
TriQuint
TriQuint
various
1078786
U1
n/a
Variable Gain Amplifier
TQM8M9079
B1, R1
24 Ω
18 nH
Res., Chip, 0402, 5%, 1/16W
L1, L2, L3, L4
Inductor, 0402, 5%, 3.1 GHz SRF
CoilCraft
0402CS-18NXJL
R2, R7, R8, R9, R10, Z1, Z5,
Z7, Z10, Z14
0 Ω
Res., Chip, 0402, 5%, 1/16W
various
C1, C5, C7, Z2, Z4, Z9, Z11
0.01 uF Res., Chip, 0402, 5%, 1/16W
100 pF Cap., Chip, 0402, 5%, 50V, NPO/COG
1000 pF Cap., Chip, 0402, 10%, 50V, X5R
various
various
various
various
C2, C3, C4,
C6
Z8
0.5 pF
Cap., Chip, 0402, 5%, 50V, NPO/COG
Datasheet: Rev D 07-17-13
Disclaimer: Subject to change without notice
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