TQM879008 TRIQUINT [TriQuint Semiconductor], TQM879008 Datasheet

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TQM879008

Manufacturer Part Number
TQM879008
Description
Manufacturer
TRIQUINT [TriQuint Semiconductor]
Datasheet
Data Sheet: Rev G 12/10/12
© 2012 TriQuint Semiconductor, Inc.
TQM879008
1.5-2.7GHz ½ W Digital Variable Gain Amplifier
The TQM879008 is a digital variable gain amplifier
(DVGA) featuring high linearity over the entire gain
control range. This amplifier module integrates two gain
blocks, a digital-step attenuator (DSA), and a high linearity
½ W amplifier.
integrating all matching components, bias chokes and
blocking capacitors. 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 (SPI
The TQM879008 features variable gain from 10 dB to
41.1dB at 2.5 GHz, +47.5 dBm output IP3, and +27.3 dBm
P1dB. The module operates from a single +5V supply and
is available in a compact 28-pin 6x6 mm leadless SMT
package.
The TQM879008 is pin compatible with the TQM829007
(0.7-1.0GHz, 0.25W DVGA) and TQM879006 (1.4-
2.7GHz, 0.25W DVGA). This allows one to size the right
type of device for specific system level requirements as
well as making the DVGA family ideal for applications
where a common PCB layout is used for different
frequency bands.
Product Features
Applications
General Description
3G / 4G Wireless Infrastructure
CDMA, WCDMA, LTE
Repeaters
1.5-2.7 GHz Frequency Range
41.1 dB Maximum Gain at 2.5 GHz
31.5 dB Gain Range in 0.5 dB Steps
+47.5 dBm Output IP3
+27.3 dBm Output P1dB
Fully Internally Matched Module
Integrated Blocking Capacitors, Bias Inductors
3-wire SPI Control Programming
The module has the added feature of
TM
).
- 1 of 11-
Standard T/R size = 2500 pieces on a 13” reel.
Part No.
TQM879008
TQM879008-PCB
Functional Block Diagram
Pin Configuration
Ordering Information
Pin #
1
2
3
4, 22
6
8
14
16
28
All Other Pins
DATA
Connecting the Digital World to the Global Network
RFIN
GND
GND
CLK
NC
LE
1
2
3
4
5
6
7
28-pin 6x6mm leadless SMT package
Disclaimer: Subject to change without notice
S
P
I
AMP1
1.5-2.7 GHz Digital Variable Gain Amp
Fully Assembled Evaluation Board
Includes USB control board (EVH)
Description
DSA
DC Biasing
AMP2
Symbol
LE
DATA
CLK
NC
RFIN
VCC_AMP1/VCC_AMP2
VCC_AMP3
RFOUT
VCC_SPI
GND
Matching
DC Biasing
Matching
21
20
19
18
17
16
15
GND
GND
GND
GND
GND
RFOUT
GND
Paddle - GND
Backside
®

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TQM879008 Summary of contents

Page 1

... 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 (SPI The TQM879008 features variable gain from 41.1dB at 2.5 GHz, +47.5 dBm output IP3, and +27.3 dBm P1dB. The module operates from a single +5V supply and is available in a compact 28-pin 6x6 mm leadless SMT package ...

Page 2

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Specifications Absolute Maximum Ratings Parameter Storage Temperature RF Input Power, CW, 50Ω,T = 25ºC Vcc (pins 8, 14, 28) Digital Input Voltage Operation of this device outside the parameter ranges given above may cause permanent damage. Electrical Specifications Test conditions unless otherwise noted: 25º ...

Page 3

... Different ground pins are used for SPI (digital) and analog supply voltages. 6. The primary RF microstrip characteristic line impedance is 50 Ω. 7. The single power supply is used to provide supply voltage to AMP1, AMP2 and AMP3. Bill of Material: TQM879008-PCB Reference Desg. Value ...

Page 4

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Typical Performance Plots Gain vs. Freq over Attenuation States 0dB 0.5dB 20 4dB 8dB 1.5 1.7 1.9 2.1 Frequency (GHz) S11 vs. Freq over Attenuation States 0 0dB 0.5dB -5 4dB 8dB -10 -15 -20 -25 -30 1.5 1.7 1.9 2.1 Frequency (GHz) S22 vs. Freq over Attenuation States 0 Temp ...

Page 5

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier OIP3 vs. Temperature 55 1 MHz Tone Spacing Pout/Tone = 11dBm 2.3 2.4 2.5 Frequency (GHz) OIP3 vs. Frequency 55 1 MHz Tone Spacing Pout/Tone = 11dBm 1.5 1.7 1.9 2.1 Frequency (GHz) ACLR vs. Output Power vs. Frequency -45 WCDMA 3GPP TM 1+64 DPCH 5MHz offset, PAR = 10.2dB @ 0.01% probability 3 ...

Page 6

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Serial Control Interface SERIN (MSB in First 6-Bit Word) Control Logic Truth Table 6-Bit Control Word to DSA MSB ...

Page 7

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Serial Control Timing Characteristics Test conditions: 25ºC Parameter Clock Frequency LE Setup Time, t LESUP LE Pulse Width, t LEPW SERIN set-up time, t SDSUP SERIN hold-time, t SDHLD LE Pulse Spacing t LE Propagation Delay t PLO Serial Control DC Logic Characteristics Test conditions: 25ºC ...

Page 8

... W Digital Variable Gain Amplifier Detailed Device Description The TQM879008 Ω internally matched digital variable gain amplifier (DVGA) featuring high linearity over the entire gain control range. The amplifier module features the integration of two gain block, a digital-step attenuator (DSA), along with a high linearity ½ ...

Page 9

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Pin Configuration and Description Pin Symbol Description Serial Latch Enable Input. When LE is high, latch is clear and content of SPI control the attenuator When LE is low, data in SPI is latched. Serial data input. The data and clock pins allow the data to be entered serially into SPI and is ...

Page 10

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Mechanical Information Package Information and Dimensions Markings: Part Number: TQM879008 Lot Code: ‘YY’ is the year of manufacture ‘WW’ is the work week ‘AaXXXX’ is the Assembly code 1. All dimensions are in millimeters. Angles are in degrees. ...

Page 11

... TQM879008 1.5-2.7GHz ½ W Digital Variable Gain Amplifier Product Compliance Information ESD Information ESD Rating: Class 1C Passes  1000 V to < 2000 V Value: Test: Human Body Model (HBM) Standard: JEDEC Standard JESD22-A114 ESD Rating: Class IV Passes  1000 V Value: Test: Charged Device Model (CDM) ...

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