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3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Features
P1dB, 3W Power Gain, 13 dB Positive Voltage Supply, +5V to +8V Output and Input Pre-Matched Internally Thermally Efficient for Higher MTTF RoHS Compliant 6X6mm QFN Ideal for WiMAX Applications (802.16)
General Description
The XP1048-QJ is a high linearity single stage power amplifier capable of 13 dB of gain, 3 Watt of power at 1 dB compression and is housed in a 6X6mm QFN package. The XP1048-QJ provides less than 2.5% EVM at 27 dBm output power with 802.16 OFDM signal and peak to average power ratio of 9.17 dB. The input and output of the device are pre-matched facilitating a simplified output matching approach. The quiescent current is controlled using a negative voltage. The high dynamic range of this device makes it ideal as a final or driver stage for WiMAX equipment in the 3.3-3.8 GHz bands.
Absolute Maximum Ratings
Voltage Supply (Vdd) Current (Idd) Dissipated Power (Pdiss) Input Power (Pin) Storage Temperature (Tstg) Channel Temperature (Tch) Thermal Resistance (Rth) Operating Backside Temperature (Tb)
9V 1000 mA 8W 25 dBm -60 to +150 C 200 C 20 C/W -40 C to (see note 1)
Operation outside any of these limits can cause permanent damage. (1) Caclulate maximum operating temperature Tmax using the following formula: Tmax=200-(Pdiss [W] x 20) [C].
Electrical Characteristics (Ambient Temperature T=25 oC,Vcc=8V)1
Description
Operating Frequency Quiescent Current (2) Power Gain @ Pout = 27dBm Output Power @ EVM = 2.5% (3) Adjacent Channel Power Ratio @Pout = 27dBm (4) Power @ 1dB Compression Point Output Third order intercept Point @ 27dBm/tone (5) Gate Voltage Noise Figure
(1) Data measrued in a Mimix matched connectorized fixture. (2) Quiescent current depends on Vgg (3) Using an 802.16d OFDM signal format with PAR = 9dB (4) Using 3 GPP WCDMA signal, PAR = 9.17dB (5) 100KHz spacing
Parameter
f Idq Gps Pout ACPR P1dB OIP3 Vgg NF
Units
GHz mA dB dBm dBc dBm dBm V dB
Min.
3.3 -
Typ.
3.5 600 13 27 -45 34.5 46 -0.8 5
Max.
3.8 -
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 1 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Typical Performance
Linear Power @ EVM = 2.5% Vs Frequency Vs Current OFDM 802.16d, 64QAM, PAR =9dB Vdd = 8V, 3.5GHz
28 27
Output Power (dBm)
26 25 23 22 21 20 19 18 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 620mA 720mA 24 550mA
15 13 11 9 7 5 3 1 -1 -3 -5 -7 -9 -11 -13 -15 3
S parameters Vdd = 8V, Idq = 500mA
S11
S21
S22
dB
Frequency (GHz)
3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4 Frequency (GHz)
4.1 4.2 4.3 4.4 4.5
15 14.5 14 13.5 13 12.5 12 11.5 11 10.5 10 3 3.1 3.2 3.3
Gain @ Vdd = 8V
36.0 35.0 34.0
P1dB Vs Frequency Vs Voltage Idq = 720mA
8v_500mA 8v_650mA
P1dB (dBm)
dB
5V 6V 7V 8V 9V
33.0 32.0 31.0 30.0
3.4 3.5 3.6 Frequency (GHz)
3.7
3.8
3.9
4
29.0 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90
Frequency (GHz)
P1dB Vs Frequency Vs Voltage Idq = 620mA
36.0 35.0 34.0
P1dB (dBm)
P1dB Vs Frequency Vs Voltage Idq = 480mA
36.0 35.0 5V 6V 7V 8V 9V 34.0
P1dB (dBm)
5V 6V 7V 8V 9V
33.0 32.0 31.0 30.0 29.0 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90
33.0 32.0 31.0 30.0 29.0 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90
Frequency (GHz)
Frequency (GHz)
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 2 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Typical Performance (cont.)
OIP3 Vs Frequency Vs Voltage Idq = 720mA
49.0 48.0 47.0
OIP3 (dBm)
OIP3 Vs Frequency Vs Voltage Idq = 620mA
49.0 48.0 47.0 6V 7V 8V 9V
OIP3 (dBm)
46.0 45.0 44.0 43.0 42.0 41.0 40.0 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90
5V
46.0 45.0 44.0 43.0 42.0 41.0 40.0 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90
5V 6V 7V 8V 9V
Frequency (GHz)
Frequency (GHz)
OIP3 Vs Frequency Vs Voltage Idq = 480mA
49.0 48.0 47.0
OIP3 (dBm)
XP1048-QJ P1dB Vs Frequency Vs Idq 8V, 3.5GHz
35.0 34.8 5V
P1dB (dBm)
46.0 45.0 44.0 43.0 42.0 41.0 40.0 3.20 3.30 3.40 3.50 3.60 3.70 3.80 3.90
34.6 34.4 34.2 34.0 33.8 33.6 33.4 33.2 33.0 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 450mA 500mA 550mA 600mA 650mA
6V 7V 8V 9V
Frequency (GHz)
Frequency (GHz)
XP1048-QJ OIP3 Vs Output Power Vs Idq 8V, 3.5GHz
48.0 47.5 47.0
OIP3 (dBm)
XP1048-QJ OIP3 Vs Bias Current (Idq) 8V, 3.5GHz
48.0 500mA 525mA
OIP3 (dBm)
47.5 47.0 46.5 46.0 45.5 45.0 44.5
46.5 46.0 45.5 45.0 44.5 44.0 20 21 22 23 24 25 26 27 28 29
550mA 575mA 600mA 625mA 650mA 675mA
OIP3
500
550
600 Icq (mA)
650
700
Output Power (dBm)
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 3 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Typical Performance (cont.)
Linear Power @ EVM = 2.5%, 3.5GHz OFDM 802.16d, 64QAM, PAR =9dB Vdd = 8V, 3.5GHz
28
Output Power (dBm)
Output Power, Current Vs Input Power Vdd 8V, 3.5GHz
35 34 33 32 31 30 29 28 27 26 25 10 12 14 16 18 20 22 24 1000 950 900 800 750 700 650 600 550 500
Current (mA)
27 26
Power Out (dBm)
850
25 24 23 22 21 20 19 18 300 350 400 450 500 550 Current (mA) 600 650 700 750 800
Input Power (dBm) Output Power Icc
Output Power, Gain Vs Input Power 8V, 3.5GHz
35 34
Output Power (dBm)
OIP3, Icc, Gain Vs Output Power Vdd = 8V, Idq = 550mA @ 3.5GHz
13.20
Output Third Order Intercept (dBm) Gain (dB)
50 45 40 35 30 25 20 15 10 5 0 20 21 22 23 24 25 26 27 28 29 Gain Idd OIP3
750 740 730 720 710 700 690 680 670 660 650 OIP3 Gain Idd
33 32 31 30 29 28 27 26 25 10 12 14 16 18 20 22 24
13.00 12.80
Gain (dB)
12.60 12.40 12.20 12.00 11.80 11.60
Input Power (dBm) Output Power Gain
Output Power (dBm)
Gamma Opt Output
1.0
0. 6
Swp Max 3.9GHz
2. 0
0.8
0. 4
0 3.
4.
0.2
0
5.0
m1 m2
.4 -0
-0
.6
-0.8
.0 -2
Swp Min 3GHz
-1.0
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
-4 .0 -5. 0
2 -0.
-10.0
m2: 3.3 GHz z Mag 15.1 Ohm z Ang -27.5 Deg
10.0
-3 .0
0.2
0.4
0.6
0.8
1.0
2.0
3.0
4.0
5.0
0
m1: 3.8 GHz z Mag 11 Ohm z Ang -13.8 Deg
10 .0
Page 4 of 8
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Recommended Schematic
Vgg
PORT CAP ID=C7 C=100 uF
Vdd
PORT CAP ID=C5 C=100 uF
CAP ID=C6 C=10 nF
CAP ID=C4 C=10 nF
PORT P=1 Z=50 Ohm
CAP ID=C1 C=20 pF
MLIN ID=TL2 W=600 um L=1e4 um
RES ID=R1 R=200 Ohm
IND ID=L1 L=18 nH SUBCKT MLIN ID=TL1 ID=S1 W=600 um NET="Prematched 4800um HFET device" L=1000 um MLIN ID=TL3 W=600 um L=10000 um CAP ID=C3 C=20 pF
CAP ID=C2 C=1.6 pF
MSSTEPX ID=MS1 W1=3000 um W2=600 um Offset=0 um
PORT P=2 Z=50 Ohm
Evaluation Board Layout
Component C1 C2 C3 R1 R2 L1
Value 20pf HiQ 0402 Murata 1.6pf HiQ 0402 Murata 20pf HiQ 0603 Murata 0ohm link 200ohm resistor 18nH 0603 Wirewound Murata
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 5 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
App Note [1] Biasing - The XP1044-QL requires power supply sequencing. Negative voltage supply (Vgg) needs to be turned on first and then positive voltage can be applied to the drain (Vdd). When turning off the device, the positive supply (Vdd) should be turned off first and then negative voltage (Vgg) can be removed. The gate voltage is adjusted in order to set the drain current to the desired level. The gate voltage required to achieve a certain current can vary over temperature and from one device to another due to pinch-off voltage variation. Constant drain current can be achieved by Implementing an active bias circuit which allows for temperature compensation and eliminates the effect of pinch-off voltage variation. Typical cost of such applications is $0.15.
Physical Dimensions:
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 6 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Pin Assignment:
Functional Block Diagram:
RFout RFout RFin RFout RFout
Pin #
4 14 15 16 17 2, 3, 5, 6, 7, 8, 9, 10, 11, 12 13, 18, 19, 20, 21, 22, 23, 24
Description
RF IN RF OUT 4 RF OUT 3 RF OUT 2 RF OUT 1 N/C
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 7 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.
3.3-3.8 GHz HFET 3W Linear Power Amplifier
December 2007 - Rev 03-Dec-07
P1048-QJ
Handling and Assembly Information
CAUTION! - Mimix Broadband MMIC Products contain gallium arsenide (GaAs) which can be hazardous to the human
body and the environment. For safety, observe the following procedures: Do not ingest. Do not alter the form of this product into a gas, powder, or liquid through burning, crushing, or chemical processing as these by-products are dangerous to the human body if inhaled, ingested, or swallowed. Observe government laws and company regulations when discarding this product. This product must be discarded in accordance with methods specified by applicable hazardous waste procedures. - Mimix Broadband's products are not authorized for use as critical components in life support devices or systems without the express written approval of the President and General Counsel of Mimix Broadband. As used herein: (1) Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. (2) A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Package Attachment - This packaged product from Mimix Broadband is provided as a rugged surface mount package
compatible with high volume solder installation. Care should be taken not to apply heavy pressure to the top or base material to avoid package damage. Vacuum tools or other suitable pick and place equipment may be used to pick and place this part. Care should be taken to ensure that there are no voids or gaps in the solder connection so that good RF, DC and ground connections are maintained. Voids or gaps can eventually lead not only to RF performance degradation, but reduced reliability and life of the product due to thermal stress.
Mimix Lead-Free RoHS Compliant Program - Mimix has an active program in place to meet customer and governmental
requirements for eliminating lead (Pb) and other environmentally hazardous materials from our products. All Mimix RoHS compliant components are form, fit and functional replacements for their non-RoHS equivalents. Lead plating of our RoHS compliant parts is 100% matte tin (Sn) over copper alloy and is backwards compatible with current standard SnPb low-temperature reflow processes as well as higher temperature (260C reflow) "Pb Free" processes.
Ordering Information
Description
XP1048-QJ-0G00 XP1048-QJ-0G0T XP1048-QJ-EV1
Matte Tin plated RoHs compliant 6X6 QFN surface mount package in bulk Matte Tin Plated RoHs compliant 6X6 QFN surface mount package in tape and reel Evaluation Board with SMA connectors for WiMAX 3.5 GHz
We also offer the plastic package with SnPb (Tin-Lead) or NiPdAu plating. Please contact your regional sales manager for more information regarding different plating types.
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 8 of 8
Characteristic Data and Specifications are subject to change without notice. (c)2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws.

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