10.0-21.0 GHz GaAs MMIC Buffer Amplifier, QFN B1008-QT March 2010 - Rev 13-Mar-10 Features Excellent Transmit LO/Output Buffer Stage 3x3mm, QFN 17.0 dB Small Signal Gain +20.0 dBm Psat +32 dBm Output IP3 4.5 dB Noise Figure Variable Gain with Adjustable Bias 100% RF, DC and Output Power Testing General Description Mimix Broadband’s two stage 10.0-21.0 GHz GaAs MMIC buffer amplifier has a small signal gain of 17.0 dB with a +18.0 dBm P1dB output compression point. The device also provides variable gain regulation with adjustable bias. The device is ideally suited as an LO or RF buffer stage with broadband performance at a very low cost. The device comes in an RoHS compliant 3x3mm QFN surface mount package offering excellent RF and thermal properties. This device is well suited for Microwave and Millimeter-wave Point-to-Point Radio, LMDS, SATCOM and VSAT applications. Absolute Maximum Ratings Supply Voltage (Vd) +4.3 VDC Supply Current (Id1) 180 mA Gate Bias Voltage (Vg) 0V Input Power (Pin) +20.0 dBm Storage Temperature (Tstg) -65 to +165 ºC Operating Temperature (Ta) -55 to +85 ºC Channel Temperature (Tch) 150 ºC ESD Min. - Machine Model (MM) Class A ESD Min. - Human Body Model (HBM) Class 1A MSL Level MSL1 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) Noise Figure Output Power for 1dB Compression (P1dB) Saturated Output Power (Psat) Output Third Order Intercept Drain Bias Voltage (Vd) Gate Bias Voltage (Vg) Supply Current (Id) (Vd=4.0V, Vg2=-0.5V Typical) Units GHz dB dB dB dB dB dB dBm dBm dBm VDC VDC mA Min. 10.0 -1.0 - Typ. 12.0 12.0 17.0 +/-2.0 65.0 4.5 +18.0 +20.0 +32.0 +4.0 -0.23 100 Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Max. 21.0 +4.0 -0.1 130 Page 1 of 6 Characteristic Data and Specifications are subject to change without notice. ©2010 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. 10.0-21.0 GHz GaAs MMIC Buffer Amplifier, QFN B1008-QT March 2010 - Rev 13-Mar-10 Buffer Amplifier Measurements XB1008-QT, Vd = 4V, Id = 100 mA: Input Return Loss vs Frequency XB1008-QT, Vd = 4V, Id = 100 mA: Small Signal Gain vs Frequency 20 -2 18 -4 16 -6 14 -8 12 S21 (dB) S11 (dB) 0 -10 -12 10 8 -14 6 -16 4 -18 2 -20 0 5 7 9 11 13 15 17 19 21 23 25 5 7 9 11 13 Frequency (GHz) 17 19 21 23 25 XB1008-QT: OIP3 vs Frequency. 4V, 90 mA, Pin = -15dBm XB1008-QT, Vd = 4V, Id = 100 mA: Output Return Loss vs Frequency 0 35 -5 30 -10 OIP3 (dBm) S22 (dB) 15 Frequency (GHz) -15 25 20 -20 15 -25 5 7 9 11 13 15 17 19 21 23 25 Frequency (GHz) 10 10 11 12 13 14 15 16 17 18 19 20 21 Frequency (GHz) XB1008-QT: OIP3 vs Frequency. 4V, 20 - 100mA, Pin = -15dBm 22 35 XB1008-QT: Output Power. Vd = 4V, Id = 100mA 20 30 18 OIP3 (dBm) 25 20 15 10 16 Power out (dBm) Id av(mA)=20 Id av(mA)=30 Id av(mA)=40 Id av(mA)=50 Id av(mA)=60 Id av(mA)=70 Id av(mA)=80 Id av(mA)=90 Id av(mA)=100 11 GHz 12 GHz 13 GHz 14 GHz 15 GHz 16 GHz 17 GHz 18 GHz 19 GHz 20 GHz 21 GHz 14 12 10 8 6 4 5 2 0 0 10 11 12 13 14 15 16 Frequency (GHz) 17 18 19 20 21 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 Pin (dBm) Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 2 of 6 Characteristic Data and Specifications are subject to change without notice. ©2010 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. 10.0-21.0 GHz GaAs MMIC Buffer Amplifier, QFN B1008-QT March 2010 - Rev 13-Mar-10 Buffer Amplifier Measurements (cont.) XB1008-QT: Power out vs Frequency. Vd = 4V and Id = 100mA 22 20 18 Power out (dBm) 16 Pin = -10 dBm Pin = -8 dBm Pin = -6 dBm Pin = -4 dBm Pin = -2 dBm Pin = 0 dBm Pin = 2 dBm Pin = 4 dBm Pin = 6 dBm Pin = 8 dBm Pin = 10 dBm 14 12 10 8 6 4 2 0 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Freq (GHz) Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 3 of 6 Characteristic Data and Specifications are subject to change without notice. ©2010 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. 10.0-21.0 GHz GaAs MMIC Buffer Amplifier, QFN B1008-QT March 2010 - Rev 13-Mar-10 Package Dimensions / Layout Note: All unused GND pins should be tied to center ground on application board for best thermal conductivity. Functional Block Diagram gnd gnd gnd VD 1 6 1 5 1 4 1 3 Pin Designations gnd 1 12 gnd gnd 2 11 gnd 3 10 RF Out 4 9 gnd RF In gnd 5 6 7 8 VG gnd gnd gnd Pin Number Pin Name Pin Function Nominal Value 1-2 GND Ground RF In RF Input 3 4 GND Ground -0.5V 5 VG Gate Bias 6-9 GND Ground RF Out RF Output 10 11-12 GND Ground 4.5V, 130 mA 13 VD Drain Bias 14-16 GND Ground Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 4 of 6 Characteristic Data and Specifications are subject to change without notice. ©2010 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. 10.0-21.0 GHz GaAs MMIC Buffer Amplifier, QFN B1008-QT March 2010 - Rev 13-Mar-10 App Note [1] Biasing - The device provides variable gain with adjustable bias regulation. For optimum linearity performance, it is recommended to bias this device at Vd=4V with Id=90 mA. It is also recommended to use active biasing to control the drain currents because this gives the most reproducible results over temperature or RF level variations. 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 -0.5V. 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. MTTF Graphs These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry. XB1008-QT-0G00: MTTF hours vs. Package Base Temperature 1.0E+15 MTTF (hours) 1.0E+14 1.0E+13 Vdd = 4 V, Idd = 100 mA 1.0E+12 Vdd = 4 V, Idd = 130 mA 1.0E+11 1.0E+10 1.0E+09 1.0E+08 1.0E+07 1.0E+06 1.0E+05 1.0E+04 1.0E+03 20 30 40 50 60 70 80 90 100 110 120 Package Base Temp (ºC) XB1008-QT-0G00: Tch (max) vs. Package Base Temperature 220 200 Tch_max (ºC) 180 160 140 120 100 Vdd = 4 V, Idd = 100 mA Vdd = 4 V, Idd = 130 mA 80 60 20 30 40 50 60 70 80 90 100 110 120 Package Base Temp (ºC) Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 5 of 6 Characteristic Data and Specifications are subject to change without notice. ©2010 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. 10.0-21.0 GHz GaAs MMIC Buffer Amplifier, QFN B1008-QT March 2010 - Rev 13-Mar-10 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 byproducts 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. Package Attachment - This packaged product from Mimix Broadband is provided as a rugged surface mount package compatible with high volume solder installation. 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. Typical Reflow Profiles Reflow Profile Ramp Up Rate Activation Time and Temperature Time Above Melting Point Max Peak Temperature Time Within 5 ºC of Peak Ramp Down Rate SnPb 3-4 ºC/sec 60-120 sec @ 140-160 ºC 60-150 sec 240 ºC 10-20 sec 4-6 ºC/sec Pb Free 3-4 ºC/sec 60-180 sec @ 170-200 ºC 60-150 sec 265 ºC 10-20 sec 4-6 ºC/sec Factory Automation and Identification Mimix Designator Package Type -QT QFN (3x3mm) Component Orientation: Number of leads offered W Tape Width P1 Component Pitch P0 Hole Pitch Reel Diameter Units per Reel 16 12mm 8mm 4mm 329mm (13in) 2000 Parts are to be oriented with the PIN 1 closest to the tape's round sprocket holes on the tape’s trailing edge. Note: Tape and Reel packaging is ordered with a -000T suffix. Package is available in 500 unit reels through designated sales channels. Minimum order quantities should be discussed with your local sales representative. 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 (260°C reflow) “Pb Free” processes. Ordering Information Part Number for Ordering Description XB1008-QT-0G00 XB1008-QT-0G0T XB1008-QT-EV1 Matte Tin plated RoHS compliant 3x3 16L QFN surface mount package in bulk quantity Matte Tin plated RoHS compliant 3x3 16L QFN surface mount package in tape and reel XB1008-QT evaluation board C a u t i o n : E S D S e n s i t i ve Appropriate precautions in handling, packaging and testing devices must be observed. Proper ESD procedures should be followed when handling this device. Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 6 of 6 Characteristic Data and Specifications are subject to change without notice. ©2010 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.