TQM879028_15 Datasheet, PDF (8/15 Pages) TriQuint Semiconductor – 0.7-4.0 GHz W Digital Variable Gain Amplifier

TQM879028
0.7−4.0 GHz ½ W Digital Variable Gain Amplifier
TQM879028 2500 – 2700 MHz Reference Design
Trace gap bridged
with metal shim
C8
C10
U1
L2
C4
C5
C2
22 pF
VDD: J5-1
L1
18 nH
C5
C4
0.01 uF 22 pF
24
1
2
3
4
5
6
7
J1
RF
Input
C9
R4
1.8 pF
0Ω
C8
2.0 pF
VDD: J5-1
R5
1Ω
23
22
21
20
19
VDD: J5-19
18 _DNP
17
16
15
R1
0Ω
14
R2
0Ω
13
R3
0Ω
8
9
10
11
12
L2
18 nH
LE: J5-13
C6
22 pF
C7
1 uF
C3
C10
1 pF
22 pF
J2
RF
Output
DATA: J5-11
CLK: J5-12
C1
22 pF
SOD:
J5-14
VDD:
J5-1
Notes:
1. Notes:
2. See Evaluation Board PCB Information section for PCB material and stack-up.
3. Components are 0402 unless specified otherwise
4. 0 Ohm resistors may be replaced with 50 Ohm traces in the target application layout.
5. Critical component placement: Distance from the edge of L2 to the edge of C10: 75 mils (9.2 °at 2600 MHz)
Bill of Material 2500 – 2700 MHz Reference Design
Reference Des.
N/A
U1
L1, L2
R1, R2, R3, R4
R5
C10
C9
C8
C1, C2, C3, C4, C6
C5
C7
J5
Value
N/A
N/A
18 nH
0Ω
1Ω
1 pF
1.8 pF
2 pF
22 pF
0.01 uF
1 uF
n/a
Description
Printed Circuit Board
Variable Gain Amplifier
Ind, 0402, 5%
RES, 0402, CHIP
RES, 0402, 5%, 1/16W, CHIP
CAP, 0402, ± 0.1 pF, 50V, NPO, U-Series
CAP, 0402, ± 0.1 pF, 50V, NPO, U-Series
CAP, 0402, ± 0.1 pF, 50V, NPO, U-Series
CAP, 0402, 5%, 50V, NPO/COG
CAP, 0402, 10%, 16V, X7R
CAP, 0402, 10%, 10V, X5R
Conn, Receptacle, 20POS., 100RT/A, DUAL
Manuf.
TriQuint
TriQuint
various
various
various
AVX
AVX
AVX
various
various
various
Tyco
Part Number
1095178
TQM879028
04025U1R0BAT2A
04025U1R8BAT2A
04025U2R0BAT2A
5-532956-3
Datasheet: Rev F 11-17-14
© 2014 TriQuint
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Disclaimer: Subject to change without notice
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