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TQM879028 Datasheet(PDF) 1 Page - TriQuint Semiconductor

Part # TQM879028
Description  0.7-4.0 GHz W Digital Variable Gain Amplifier
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Manufacturer  TRIQUINT [TriQuint Semiconductor]
Direct Link  http://www.triquint.com
Logo TRIQUINT - TriQuint Semiconductor

TQM879028 Datasheet(HTML) 1 Page - TriQuint Semiconductor

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TQM879028
0.7−4.0 GHz ½ W Digital Variable Gain Amplifier
24 Pin 4
 x 4 mm Leadless SMT Package
Applications
• 3G / 4G Wireless Infrastructure
• Repeaters
• LTE / WCDMA / CDMA
Product Features
• 0.7
−4.0 GHz Frequency Range
• 32
 dB Maximum Gain at 2.14 GHz
• 31.5
 dB Gain Range in 0.5 dB Steps
• +44
 dBm Output IP3
• +27.5
 dBm Output P1dB
• 3-wire SPI Control Programming
Pin Configuration
Pin No.
Label
1, 2, 4, 6, 7, 9, 11, 17,
18, 19, 21, 22, 24
NC (No Connect)
3
DSA In
5
Amp1 Out / Vcc
8
Amp1 In
10
SOD
12
VDD
13
CLK
14
DATA
15
LE
16
Amp2 Out / Vcc
20
Amp2 In
23
DSA Out
Backside Paddle
RF/DC Ground
General Description
The TQM879028 is a digital variable gain amplifier
(DVGA) featuring high linearity over the entire gain
control range. This amplifier module integrates a gain
block, a digital-step attenuator (DSA), and a high
linearity ½ Watt amplifier into a compact 4
 x 4 mm
module. The internal 6-bit DSA provides a 31.5
 dB gain
control range in 0.5
 dB steps, and is controlled with a
serial periphery interface (SPITM). The individual stages
are accessible to external ports to allow for optimization
of the last stage amplifier for individual bands and also
allowing other functional blocks to be added in-between
the stages.
The TQM879028 features variable gain from 0.5
 dB to
32
 dB at 2.14 GHz, +44 dBm output IP3, and +27.5 dBm
P1dB while only consuming 230
 mA current from a 5 V
supply. The module is available in a compact 24-pin
4
 x 4 mm leadless SMT package.
Ordering Information
Part No.
Description
TQM879028
0.7
 – 4.0 GHz, ½ Watt DVGA
TQM879028-PCB2140
2.14 GHz Eval Board
(Includes EVH control board)
Standard T/R size = 2500 pieces on a 13” reel.
Functional Block Diagram
Top
View
NC
NC
DSA In
NC
Amp1 Out / Vcc
NC
1
2
3
4
5
6
18
17
16
15
14
13
NC
NC
Amp2 Out / Vcc
LE
DATA
CLK
6-BIT
SPI
DSA
Backside Paddle
RF/DC GND
Pin 1 Marking
Datasheet: Rev F 11-17-14
- 1 of 15 -
Disclaimer: Subject to change without notice
© 2014 TriQuint
www.triquint.com


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