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14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD Chip Device Layout
Features
Excellent Transmit LO/Output Buffer Stage On-Chip ESD Protection 18.0 dB Small Signal Gain +22.0 dBm P1dB Compression Point 100% On-Wafer RF, DC and Output Power Testing 100% Visual Inspection to MIL-STD-883 Method 2010
General Description
Mimix Broadband's three stage 14.0-30.0 GHz GaAs MMIC buffer amplifier has a small signal gain of 18.0 dB with a +22.0 dBm P1dB output compression point. This MMIC uses Mimix Broadband's 0.15 m GaAs PHEMT device model technology, and is based upon electron beam lithography to ensure high repeatability and uniformity. The chip has surface passivation to protect and provide a rugged part with backside via holes and gold metallization to allow either a conductive epoxy or eutectic solder die attach process. This device is well suited for Millimeter-wave Point-to-Point Radio, LMDS, SATCOM and VSAT applications.
Absolute Maximum Ratings
Supply Voltage (Vd) Supply Current (Id1,2) Gate Bias Voltage (Vg) Input Power (Pin) Storage Temperature (Tstg) Operating Temperature (Ta) Channel Temperature (Tch)
+6.0 VDC 110, 340 mA +0.3 VDC +12.0 dBm -65 to +165 OC -55 to MTTF Graph1 MTTF Graph1
(1) Channel temperature affects a device's MTTF. It is recommended to keep channel temperature as low as possible for maximum life.
Electrical Characteristics (Ambient Temperature T = 25 oC)
Parameter Frequency Range (f ) Input Return Loss (S11) Output Return Loss (S22) Small Signal Gain (S21) Gain Flatness ( S21) Reverse Isolation (S12) Output Power for 1dB Compression (P1dB) 2 Drain Bias Voltage (Vd1,2) Gate Bias Voltage (Vg1,2) Supply Current (Id1) (Vd=5.0V, Vg=-0.6V Typical) Supply Current (Id2) (Vd=5.0V, Vg=-0.6V Typical)
(2) Measured using constant current.
Units GHz dB dB dB dB dB dBm VDC VDC mA mA
Min. 14.0 -1.0 -
Typ. 7.0 8.0 18.0 +/-4.0 40.0 +22.0 +5.0 -0.6 80 240
Max. 30.0 +5.5 0.0 95 290
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 1 of 7
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.
14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD
Buffer Amplifier Measurements
XB1009-BD Vd1,2=5.0 V, Id1=80 mA, Id2=240 mA
28 26 24 22
Reverse Isolation (dB)
-10 -20 -30 -40 -50 -60 -70 -80 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 Frequency (GHz) 0
XB1009-BD Vd1,2=5.0 V, Id1=80 mA, Id2=240 mA
20 18
Gain (dB)
16 14 12 10 8 6 4 2 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 Frequency (GHz)
XB1009-BD Vd1,2=5.0 V, Id1=80 mA, Id2=240 mA
0 0
XB1009-BD Vd1,2=5.0 V, Id1=80 mA, Id2=240 mA
-5
-5
-10
Output Return Loss (dB)
Frequency (GHz)
Input Return Loss (dB)
-10
-15
-15
-20
-20
-25 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0
-25 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 Frequency (GHz)
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 2 of 7
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.
14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD
S-Parameters
Typcial S-Parameter Data for XB1009-BD Vd1,2=5.0 V, Id1=80 mA, Id2=240 mA Frequency (GHz) 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 29.0 30.0 31.0 32.0 33.0 34.0 35.0 36.0 S11 (Mag) 0.866 0.849 0.833 0.806 0.732 0.624 0.487 0.327 0.215 0.213 0.291 0.340 0.376 0.401 0.405 0.405 0.407 0.395 0.378 0.327 0.292 0.168 0.231 0.479 0.670 0.793 0.855 S11 (Ang) 162.16 145.75 128.87 110.27 90.51 71.60 51.81 33.04 -8.09 -167.70 144.90 128.44 116.95 107.20 101.42 96.64 91.85 86.30 82.93 77.70 76.71 90.04 150.73 145.59 131.41 117.57 107.03 S21 (Mag) 2.608 4.747 7.301 9.283 10.024 10.809 11.778 12.072 12.912 13.450 10.757 9.159 8.069 7.259 6.847 6.529 6.226 5.971 5.821 5.916 5.560 5.565 5.054 4.050 2.985 1.957 1.282 S21 (Ang) 30.53 -30.65 -89.65 -147.04 161.26 118.79 77.28 36.18 1.81 -49.05 -86.54 -118.20 -146.95 -174.19 159.58 132.91 105.85 79.38 52.32 24.06 -9.22 -42.35 -81.80 -120.19 -157.36 170.20 145.43 S12 (Mag) 0.0030 0.0032 0.0040 0.0038 0.0032 0.0029 0.0029 0.0027 0.0083 0.0126 0.0085 0.0065 0.0065 0.0070 0.0067 0.0062 0.0053 0.0044 0.0041 0.0014 0.0038 0.0024 0.0008 0.0018 0.0030 0.0013 0.0009 S12 (Ang) -154.75 166.25 155.09 135.97 123.06 133.61 135.74 162.17 177.42 112.53 93.17 89.01 81.94 78.23 73.41 60.44 60.41 57.95 42.47 56.44 58.26 61.77 92.87 97.43 90.04 87.50 91.57 S22 (Mag) 0.761 0.679 0.582 0.523 0.458 0.392 0.352 0.329 0.222 0.309 0.326 0.313 0.308 0.314 0.318 0.326 0.359 0.393 0.430 0.456 0.497 0.532 0.558 0.597 0.634 0.651 0.682 S22 (Ang) 162.07 145.04 132.21 121.65 109.87 104.03 100.26 93.71 86.81 115.45 100.62 96.01 92.99 91.37 90.75 92.39 91.55 88.92 86.33 80.22 78.77 73.51 68.12 63.18 57.91 52.25 47.79
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 3 of 7
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.
14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD
0.483 (0.019) 1.084 (0.043)
Mechanical Drawing
1.330 (0.052)
2
3
0.620 (0.024)
1 4
0.498 (0.020)
0.0 0.0
6 0.468 (0.018)
5 1.070 (0.042) 1.600 (0.063)
(Note: Engineering designator is 20MPA5007)
Units: millimeters (inches) Bond pad dimensions are shown to center of bond pad. Thickness: 0.110 +/- 0.010 (0.0043 +/- 0.0004), Backside is ground, Bond Pad/Backside Metallization: Gold All DC Bond Pads (except Vd3) are 0.100 x 0.100 (0.004 x 0.004). All RF Bond Pads (and Vd3) are 0.100 x 0.200 (0.004 x 0.008) Bond pad centers are approximately 0.109 (0.004) from the edge of the chip. Dicing tolerance: +/- 0.005 (+/- 0.0002). Approximate weight: 1.319 mg. Bond Pad #1 (RF In) Bond Pad #2 (Vd1) Bond Pad #3 (Vd2) Bond Pad #4 (RF Out)
Vd2
Bond Pad #5 (Vg1) Bond Pad #6 (Vg2)
Bias Arrangement
Vd1
Bypass Capacitors - See App Note [2]
2 3
RF In
1 4
RF Out
6
5
Vg1
Vg2
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 4 of 7
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.
14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD
App Note [1] Biasing - It is recommended to separately bias each amplifier stage Vd1 through Vd2 at Vd(1,2)=5.0V with Id1=80 mA and Id2=240 mA. Separate biasing is recommended if the amplifier is to be used at high levels of saturation, where gate rectification will alter the effective gate control voltage. For non-critical applications it is possible to parallel all stages and adjust the common gate voltage for a total drain current Id(total)=320 mA. It is also recommended to use active biasing to keep the currents constant as the RF power and temperature vary; this gives the most reproducible results. Depending on the supply voltage available and the power dissipation constraints, the bias circuit may be a single transistor or a low power operational amplifier, with a low value resistor in series with the drain supply used to sense the current. The gate of the pHEMT is controlled to maintain correct drain current and thus drain voltage. The typical gate voltage needed to do this is -0.6V. Typically the gate is protected with Silicon diodes to limit the applied voltage. Also, make sure to sequence the applied voltage to ensure negative gate bias is available before applying the positive drain supply. App Note [2] Bias Arrangement For Parallel Stage Bias (Recommended for general applications) -- The same as Individual Stage Bias but all the drain or gate pad DC bypass capacitors (~100-200 pF) can be combined. Additional DC bypass capacitance (~0.01 uF) is also recommended to all DC or combination (if gate or drains are tied together) of DC bias pads. For Individual Stage Bias (Recommended for saturated applications) -- Each DC pad (Vd1,2 and Vg1,2) needs to have DC bypass capacitance (~100-200 pF) as close to the device as possible. Additional DC bypass capacitance (~0.01 uF) is also recommended.
MTTF Graphs
1.0E+10
These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry.
XB1009-BD Vd1,2=5.0 V Id1,2=320 mA
1.0E+05
XB1009-BD Vd1,2=5.0 V Id1,2=320 mA
1.0E+09
1.0E+04
1.0E+08
MTTF (hours)
1.0E+03
1.0E+07
FITS
1.0E+02
1.0E+06
1.0E+01
1.0E+05
1.0E+04
55 65 75 85 95 105 115 125 Backplate Temperature (deg C)
1.0E+00
55 65 75 85 95 105 115 125 Backplate Temperature (deg C)
No RF
Pout=+21 dBm
No RF
Pout=+21 dBm
XB1009-BD Vd1,2=5.0 V Id1,2=320 mA
44 43 42 41 40
Rth (deg C/W)
XB1009-BD Vd1,2=5.0 V Id1,2=320 mA
250
230
39 38 37 36 35 34 33 32 31 30 55 65 75 85 95 105 115 125 Backplate Temperature (deg C) No RF Pout=+21 dBm
210
Tch (deg C)
190
170
150
130 55 65 75 85 95 105 115 125 Backplate Temperature (deg C) No RF Pout=+21 dBm
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 5 of 7
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.
14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD
Device Schematic
VD1 VD2
stage 1 RFin
stage 2
stage 3 RFout
VG1
VG2
Typical Application
XU1002
XB1004 or XB1009 Sideband Reject
XP1022
IF IN 2.0 GHz
RF Out 17.7-19.7 GHz
LO(+2.0dBm) 7.85-8.85 GHz (USB Operation) 9.85-10.85 GHz (LSB Operation)
Mimix Broadband MMIC-based 18.0-25.0 GHz Transmitter Block Diagram
(Changing LO and IF frequencies as required allows design to operate as high as 25.0 GHz)
Mimix Broadband's 18.0-25.0 GHz XU1002 GaAs MMIC Transmitter can be used in saturated radio applications and linear modulation schemes up to 16 QAM. The transmitter can be used in upper and lower sideband applications from 18.0-25.0 GHz.
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 6 of 7
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.
14.0-30.0 GHz GaAs MMIC Buffer Amplifier
February 2007 - Rev 05-Feb-07
B1009-BD
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. Life Support Policy - 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. ESD - Gallium Arsenide (GaAs) devices are susceptible to electrostatic and mechanical damage. Die are supplied in antistatic containers, which should be opened in cleanroom conditions at an appropriately grounded anti-static workstation. Devices need careful handling using correctly designed collets, vacuum pickups or, with care, sharp tweezers. Die Attachment - GaAs Products from Mimix Broadband are 0.100 mm (0.004") thick and have vias through to the backside to enable grounding to the circuit. Microstrip substrates should be brought as close to the die as possible. The mounting surface should be clean and flat. If using conductive epoxy, recommended epoxies are Tanaka TS3332LD, Die Mat DM6030HK or DM6030HK-Pt cured in a nitrogen atmosphere per manufacturer's cure schedule. Apply epoxy sparingly to avoid getting any on to the top surface of the die. An epoxy fillet should be visible around the total die periphery. For additional information please see the Mimix "Epoxy Specifications for Bare Die" application note. If eutectic mounting is preferred, then a fluxless gold-tin (AuSn) preform, approximately 0.001 thick, placed between the die and the attachment surface should be used. A die bonder that utilizes a heated collet and provides scrubbing action to ensure total wetting to prevent void formation in a nitrogen atmosphere is recommended. The gold-tin eutectic (80% Au 20% Sn) has a melting point of approximately 280 C (Note: Gold Germanium should be avoided). The work station temperature should be 310 C +/- 10 C. Exposure to these extreme temperatures should be kept to minimum. The collet should be heated, and the die pre-heated to avoid excessive thermal shock. Avoidance of air bridges and force impact are critical during placement. Wire Bonding - Windows in the surface passivation above the bond pads are provided to allow wire bonding to the die's gold bond pads. The recommended wire bonding procedure uses 0.076 mm x 0.013 mm (0.003" x 0.0005") 99.99% pure gold ribbon with 0.5-2% elongation to minimize RF port bond inductance. Gold 0.025 mm (0.001") diameter wedge or ball bonds are acceptable for DC Bias connections. Aluminum wire should be avoided. Thermo-compression bonding is recommended though thermosonic bonding may be used providing the ultrasonic content of the bond is minimized. Bond force, time and ultrasonics are all critical parameters. Bonds should be made from the bond pads on the die to the package or substrate. All bonds should be as short as possible. Part Number for Ordering XB1009-BD-000V XB1009-BD-EV1 Description RoHS compliant die packed in vacuum release gel packs XB1009-BD evaluation module
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 7 of 7
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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