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Advance Product Information
July 29, 2005
4 Watt 802.11a Packaged Amplifier
Key Features
* * * * * * * * * * *
TGA2921-SG
4.9 - 6 GHz Application Frequency Range 11 dB Nominal Gain @ 8V 800mA 36 dBm Nominal P1dB @ 8V 800mA 2.5% EVM at 26 dBm output power IMD3 -50dBc @ 24dBm SCL, Typical Bias Conditions: 7-9 V @ 700-800 mA (Quiescent) 0.5 m HFET Technology 2 lead Cu base SMT package 802.11a WLAN Bridge Amplifiers U-NII Band HPA C-Band Pt-Pt and Pt-Multi Pt Radio
Primary Applications
Product Description
The TGA2921-SG HPA provides 11 dB of gain, 4 W of output power across 4.9 - 6 GHz and 2.5% EVM at 26 dBm output power. The device is ideally suited for high linearity, high power wireless data applications such as 802.11a WLAN Bridge Amplifiers, U-NII and Pointto-Point or Point-to-Multi-Point NonLine of Sight radios. The package has a high thermal conductivity copper base. Internal partial matching simplifies system board layout by requiring a minimum of external components.
Lead-Free & RoHS compliant.
Fixtured Measured Performance
Bias Conditions: Vd = 8 V, Idq =800 mA Performance data taken @ in a 5.75GHz application circuit
12 9 6
Gain
20 15
Gain (dB)
3 0 -3 -6 -9 -12 5 5.2 5.4 5.6 5.8 6 6.2 6.4 6.6 6.8 7
Output Input
5 0 -5 -10 -15 -20
Frequency (GHz)
40 1600
Pout
Pout (dBm) & Gain (dB)
35 30 25 20 15 10 5 0 14
1400 1200
Evaluation Boards are available.
IDS
800 600 400
Gain
200 0
16
18
20
22
24
26
28
30
Pin (dBm)
Note: This device is early in the characterization process prior to finalizing all electrical specifications. Specifications are subject to change without notice.
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
IDS (mA)
1000
Return Loss (dB)
10
Advance Product Information
TABLE I MAXIMUM RATINGS 1/ Symbol
Vd Vg Idq | Ig | P IN PD T CH TM T STG
July 29, 2005 TGA2921-EPU-SG
Parameter
Drain Supply Voltage Gate Supply Voltage Range Drain Supply Current (Quiescent) Gate Current Input Continuous Wave Power Power Dissipation Operating Channel Temperature Mounting Temperature (30 Seconds) Storage Temperature
Value
10 V 0 V to -5 V 2A 38 mA 30 dBm 7.9 W 175 C 260 C -65 to 150 C
Notes
2/
2/
2/ 2/, 3/ 4/
1/ 2/ 3/ 4/
These ratings represent the maximum operable values for this device. Combinations of supply voltage, supply current, input power, and output power shall not exceed P D . When operated at this bias condition with a base plate temperature of 85 0C, the MTTF life is 2 E+8 hours. Junction operating temperature will directly affect the device median time to failure (TM ). For maximum life, it is recommended that junction temperatures be maintained at the lowest possible levels.
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
TABLE II RF CHARACTERIZATION TABLE (TA = 25qC, Nominal) (Vd = 8 V, Idq = 800 mA) TEST CONDITION
F = 5.75 GHz F = 5.75 GHz F = 5.75 GHz F = 5.75 GHz
SYMBOL
Gain IRL ORL P1dB
PARAMETER
Small Signal Gain Input Return Loss Output Return Loss Output Power @ P1dB
TYPICAL
11 12 7 36
UNITS
dB dB dB dBm
TABLE III THERMAL INFORMATION Parameter RJC Thermal Resistance (channel to backside of package) Test Conditions Vd = 8 V ID = 800 mA (Quiescent) Pdiss = 6.4 W TCH o ( C) 155 RTJC (qC/W) 11 TM (HRS) 1.6 E+9
Note: Package backside SnPb soldered to carrier at 85C baseplate temperature. At saturated output power, the DC power consumption is 11.2 W with 4 W RF power delivered to the load. Power dissipated is 7.2 W and the temperature rise in the channel is 79 C.
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Measured Fixtured Data Application Circuit tuned to 5.75 GHz
Bias Conditions: Vd = 7 V, Idq = 700 mA
12 9 6
Gain
20 15
Gain (dB)
3 0 -3 -6 -9 -12 5 5.2 5.4 5.6 5.8 6 6.2 6.4 6.6 6.8 7
Output Input
5 0 -5 -10 -15 -20
Frequency (GHz)
40 1600
Pout
Pout (dBm) & Gain (dB)
35 30 25 20 15 10 5 0 14
1400 1200
IDS
800 600 400
Gain
200 0
16
18
20
22
24
26
28
30
Pin (dBm)
75 70 65
IMD3 level (dBc)
60 55 50 45 40 35 30 25 12 14 16 18 20 22 24 26 28 30
5.6GHz 5.7GHz 5.8GHz 5.9GHz
Output Power per Tone (dBm)
IDS (mA)
1000
Return Loss (dB)
10
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Measured Fixtured Data Application Circuit tuned to 5.75 GHz
Bias Conditions: Vd = 8 V, Idq = 800 mA
12 9 6
Gain
20 15
Gain (dB)
3 0 -3 -6 -9 -12 5 5.2 5.4 5.6 5.8 6 6.2 6.4 6.6 6.8 7
Output Input
5 0 -5 -10 -15 -20
Frequency (GHz)
40 1600
Pout
Pout (dBm) & Gain (dB)
35 30 25 20 15 10 5 0 14
75 70 65
1400 1200
IDS
800 600 400
Gain
200 0
16
18
20
22
24
26
28
30
Pin (dBm)
IMD3 level (dBc)
60 55 50 45 40 35 30 25 12
5.6GHz 5.7GHz 5.8GHz 5.9GHz
14
16
18
20
22
24
26
28
30
Output Power per Tone (dBm)
IDS (mA)
1000
Return Loss (dB)
10
5
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Measured Fixtured Data Application Circuit tuned to 5.75 GHz
Bias Conditions: Vd = 8 V, Idq = 800 mA
12 9 6
Gain
20 15
Gain (dB)
3 0 -3 -6 -9 -12 5 5.2 5.4 5.6 5.8 6 6.2 6.4 6.6 6.8 7
Output Input
5 0 -5 -10 -15 -20
Frequency (GHz)
40 1600
Pout
Pout (dBm) & Gain (dB)
35 30 25 20 15 10 5 0 14
1400 1200
IDS
800 600 400
Gain
200 0
16
18
20
22
24
26
28
30
Pin (dBm)
75 70 65
IMD3 level (dBc)
60 55 50 45 40 35 30 25 12 14 16 18 20 22 24 26 28 30
5.6GHz 5.7GHz 5.8GHz 5.9GHz
Output Power per Tone (dBm)
IDS (mA)
1000
Return Loss (dB)
10
6
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Measured Fixtured Data Application Circuit tuned to 5.75 GHz
Bias Conditions: Vd = 8 V, Idq = 800 mA
OFDM 64 QAM
9 8 7 6 EVM% 5 4 3 2 1 0 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Output (dBm) 5.6 5.7 5.8 5.9
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
S-Parameter Data
Bias Conditions: Vd = 8V, Idq = 800 mA
Frequency S11 S21 S12 S22 GHz Mag (dB) Deg Mag (dB) Deg Mag (dB) Deg Mag (dB) Deg 2 -0.922 149.46 4.656 24.256 -29.3 -37.522 -3.505 150.7 2.2 -0.981 143.96 3.92 16.783 -29.209 -42.194 -3.475 147.28 2.4 -1.05 138.28 3.307 9.155 -29.406 -47.499 -3.418 143.98 2.6 -1.036 132.61 2.795 1.767 -29.243 -53.754 -3.339 140.6 2.8 -1.03 126.31 2.386 -5.879 -29.775 -57.493 -3.311 137.76 3 -1.106 119.81 2.016 -13.755 -29.396 -61.715 -3.271 134.27 3.2 -1.098 113.17 1.728 -21.748 -29.382 -66.942 -3.201 131.09 3.4 -1.158 106 1.449 -29.653 -28.846 -68.808 -3.296 128.07 3.6 -1.199 99.251 1.243 -37.913 -29.221 -75.622 -3.28 125.27 3.8 -1.197 91.493 1.095 -46.321 -28.642 -80.881 -3.367 121.37 4 -1.227 83.195 1.01 -55.325 -28.672 -86.873 -3.489 118.05 4.2 -1.264 75.815 0.951 -64.172 -28.853 -88.318 -3.638 114.71 4.4 -1.243 67.974 0.965 -73.477 -28.391 -94.42 -3.798 111.03 4.6 -1.316 60.333 1.001 -82.808 -28.139 -99.236 -3.988 106.7 4.8 -1.289 53.55 1.067 -92.017 -28.186 -107.82 -4.162 102.8 5 -1.294 46.85 1.281 -102.18 -27.341 -112.38 -4.502 97.583 5.2 -1.386 40.476 1.557 -112.99 -26.85 -117.15 -4.839 93.32 5.4 -1.525 35.141 2.047 -124.38 -25.843 -122.68 -5.124 90.569 5.6 -1.722 30.104 2.69 -137.43 -25.035 -129.03 -5.22 87.491 5.8 -2.236 25.326 3.567 -152.77 -24.04 -140.21 -4.99 85.128 6 -3.267 20.912 4.543 -172.21 -22.9 -152.51 -4.534 81.826 6.2 -5.727 20.622 5.836 161.48 -21.466 -171.62 -3.592 76.362 6.4 -8.146 54.06 6.174 121.79 -20.988 155.54 -3.108 62.283 6.6 -3.358 70.677 3.551 76.907 -23.371 115.14 -5.439 54.397 6.8 -1.106 62.277 -1.382 42.823 -27.734 90.23 -6.671 72.529 7 -0.517 55.836 -7.259 20.341 -33.708 71.447 -4.576 84.699 7.2 -0.449 51.619 -14.016 11.985 -39.475 67.146 -2.75 86.182 7.4 -0.855 48.505 -18.186 50.179 -42.265 15.613 -1.661 85.135 7.6 -1.164 57.94 -13.962 6.444 -36.502 -86.187 -0.821 84.391 7.8 -0.463 56.854 -21.186 -27.207 -38.617 -127.41 -0.482 83.611 8 -0.351 57.361 -29.004 -44.161 -38.272 -104.42 -0.436 83.279 8.2 -0.301 59.013 -36.991 -63.144 -29.615 -137.1 -0.986 89.948 8.4 -0.324 62.41 -39.741 -104.49 -31.885 -159.36 -0.308 92.761 8.6 -0.231 67.099 -36.528 -157.52 -31.506 -162.78 -0.12 94.847 8.8 -0.16 72.616 -34.932 -167.76 -31.247 -163.91 -0.054 96.36 9 -0.061 78.923 -30.382 -177.25 -30.393 -165.96 -0.043 96.806
July 29, 2005 TGA2921-EPU-SG
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Packaged Dimensional Drawing TGA2921-EPU - SG
Top View
Side View
Bias Procedure 1. 2. 3. 4. 5. Ensure no RF power is applied to the device. Pinch off device by setting Vg to -3V. Increase Vd to 8.0V while monitoring drain current. Increase Vg until drain current reaches 800 mA. Apply RF power.
GaAs MMIC devices are susceptible to damage from Electrostatic Discharge. Proper precautions should be observed during handling, assembly and test.
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
5.8 GHz Application Circuit Schematic
PCB is 20 mil thick Rogers 4003 substrate. The schematic is for small signal approach only
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Typical Evaluation Board Layout *
*The layout is a general purpose drawing that needs to be tuned for the specific application. PCB is RO4003 20 mil thickness, 0.5 oz standard copper cladding, with Er = 3.38.
External Component Listing
Part Type Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Resistor Reference C1 C2 C3 C4 C5 C6 R1 Description AVX06035J4R7BBT, 4.7 pF AVX06035J1R2BBT, 1.2 pF 1uF AVX06035J3R9BBT, 3.9 pF 4.7 uF AVX06035J1R2BBT, 1.2 pF 0805, 10
Contact TriQuint Applications Engineering for additional info
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com
Advance Product Information
July 29, 2005 TGA2921-EPU-SG
Recommended Surface Mount Package Assembly
Proper ESD precautions must be followed while handling packages. Clean the board with acetone. Rinse with alcohol. Allow the circuit to fully dry. TriQuint recommends using a conductive solder paste for attachment. Follow solder paste and reflow oven vendors' recommendations when developing a solder reflow profile. Typical solder reflow profiles are listed in the table below. Hand soldering is not recommended. Solder paste can be applied using a stencil printer or dot placement. The volume of solder paste depends on PCB and component layout and should be well controlled to ensure consistent mechanical and electrical performance. Clean the assembly with alcohol.
Typical Solder Reflow Profiles
Reflow Profile
Ramp-up Rate Activation Time and Temperature Time above Melting Point Max Peak Temperature Time within 5 C of Peak Temperature Ramp-down Rate
SnPb
3 C/sec 60 - 120 sec @ 140 - 160 C 60 - 150 sec 240 C 10 - 20 sec 4 - 6 C/sec
Pb Free
3 C/sec 60 - 180 sec @ 150 - 200 C 60 - 150 sec 260 C 10 - 20 sec 4 - 6 C/sec
Ordering Information
Part TGA2921-SG Package Style SMT Gull Wing (Formed Leads)
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TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com

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