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| 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB Features Fundamental High Dynamic Range Receiver Integrated Gain Control +4.0 dBm Input Third Order Intercept (IIP3) 14.0 dB Conversion Gain 3.5 dB Noise Figure 25.0 dB Image Rejection Mimix Broadband's 18.0-30.0 GHz GaAs MMIC receiver has a 12.0 dB gain control range, a noise figure of 3.5 dB and 25.0 dB image rejection across the band. This device is a three stage LNA followed by a single transistor "Tee" attenuator and an image reject fundamental resistive HEMT mixer. At high signal levels the radio AGC system can be used to reduce the receiver gain improving the IIP3 providing for minimum distortion at modulation schemes as high as 256 QAM (ETSI-see Technical Note 1). The image reject mixer eliminates the need for a bandpass filter after the LNA to remove thermal noise at the image frequency. I and Q mixer outputs are provided and an external 90 degree hybrid is required to select the desired sideband. 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. General Description Absolute Maximum Ratings Supply Voltage (Vd) Supply Current (Id) Gate Bias Voltage (Vg) Input Power (RF Pin) Storage Temperature (Tstg) Operating Temperature (Ta) Channel Temperature (Tch) +6.0 VDC 300 mA +0.3 VDC 0.0 dBm -65 to +165 OC -55 to MTTF Table3 MTTF Table 3 (1) Measured using constant current, 10dB attenuation and -20dBm total input power. (2) At minimum attenuation. (3) 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 = 25o C) Parameter Frequency Range (RF) Upper Side Band Frequency Range (LO) Frequency Range (IF) Input Return Loss RF (S11) Small Signal Conversion Gain RF/IF (S21) Attenuation LO Input Drive (PLO) Image Rejection Noise Figure (NF) Isolation LO/RF Input Third Order Intercept (IIP3) Drain Bias Voltage (Vd1,2) Gate Bias Voltage (Vg1,2) (Vg4=-0.8V) Control Bias Voltage (Vg3) Supply Current (Id) (Vd=4.5V, Vg=-0.5V Typical) Units GHz GHz GHz dB dB dB dBm dBc dB dB dBm VDC VDC VDC mA Min. 18.0 14.0 DC 0.0 +12.0 15.0 -1.0 -1.5 Typ. 10.0 14.0 +15.0 25.0 3.5 40.0 +4.0 +4.5 -0.5 -1.2 135 Max. 30.0 34.0 4.0 12.0 +18.0 +5.5 0.0 0.0 270 Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 1 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB Receiver Measurements XR1002-QB Conversion Gain (dBm) (Average of 23 Devices) 20 18 16 14 Gain (dB) 12 10 8 6 4 2 0 17.5 20 23 RF (GHz) 26 30 USB Gain LSB Gain IR (dBc) -10 -15 -20 -25 -30 -35 -40 0 -5 XR1002-QB, Image Rejection (dBc) USB LSB 32 18 20 22 24 26 28 30 32 RF (GHz) [IF=2GHz] 0 -5 -10 -15 IR (dBc) XR1002-QB, USB Image Rejection (dBc) Over Temperature 0 -5 -10 -15 IR (dBc) -20 -25 -30 -35 -40 -45 -50 XR1002-QB, LSB Image Rejection (dBc) Over Temperature -20 -25 -30 -35 -40 -45 -50 18 20 22 24 26 28 30 32 RF (GHz) [IF=2GHz] +25 Deg C -40 Deg C +85 Deg C +25 Deg C -40 Deg C +85 Deg C 18 20 22 24 26 28 30 32 RF (GHz) [IF=2GHz] 20 XR1002-QB, USB Input IP3 (dBm) Over Temperature Vg3 = 0.0V, Maximum Attenuation 20 18 XR1002-QB, LSB Input IP3 (dBm) Over Temperature Vg3 = 0.0V, Maximum Attenuation 15 16 14 IIP3 (dBm) 10 IIP3 (dBm) +25 Deg C -40 Deg C +85 Deg C 12 10 8 6 5 0 4 2 0 +25 Deg C -40 Deg C +85 Deg C 18 20 22 24 26 28 30 32 34 -5 18 20 22 24 26 28 30 32 34 RF (GHz) [IF=2GHz] RF (GHz) [IF=2GHz] Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 2 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB Receiver Measurements (cont.) XR1002-QB, USB Noise Figure (dB) Over Temperature 10 9 8 7 NF (dB) 6 5 4 3 2 1 0 18 20 22 24 26 28 RF (GHz) [IF=2GHz] +25 Deg C -40 Deg C +85 Deg C Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 3 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB Physical Dimensions (Note: Engineering designator is 30KRP_03A) Pin Designations Pin Number 3 4 5 8 9 10 11 12 17 18 19 23 24 25 26 27 All Other Pins Pin Name GND RF IN GND VG1&2 VG3 GND IF2Out GND GND LO IN GND VG4 GND IF1Out GND VD1&2 NC Pin Function Ground RF Input Ground Gate Bias Voltage Control Bias Voltage Ground IF2 Output Ground Ground LO Input Ground Gate Bias Voltage Ground IF1 Output Ground Drain Bias Voltage Not Connected Nominal Value Unit -0.5 -1.2 Volt Volt -0.8 Volt 4.5 Volt Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 4 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB App Note [1] Biasing - This device is operated with both stages in parallel, and can be biased for low noise performance or high power performance. Low noise bias is nominally Vd=4.5V, Id=135mA and is the recommended bias condition. More controlled performance will be obtained by separately biasing Vd1 and Vd2 each at 4.5V, 65mA. Power bias may be as high as Vd=5.5V, Id=270mA with all stages in parallel, or most controlled performance will be obtained by separately biasing Vd1 and Vd2 each at 5.5V, 135mA. Attenuator bias, Vg3, can be adjusted from 0.0 to -1.2V with 0.0V providing maximum attenuation and -1.2V providing minimum attenuation. Image reject mixer bias, Vg4, should nominally be -0.8V to minimize sensitivity of mixer performance to LO level. 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 -0.5V. 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 Tables These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry. Backplate Temperature 55 deg Celsius 75 deg Celsius 95 deg Celsius Channel Temperature 81 deg Celsius 101 deg Celsius 121 deg Celsius Rth MTTF Hours FITs 65.0 C/W - 6.77E+11 4.09E+10 3.29E+09 1.48E-03 2.44E-02 3.04E-01 Bias Conditions: Vd=3.0V, Id=135 mA Backplate Temperature 55 deg Celsius 75 deg Celsius 95 deg Celsius Channel Temperature 142 deg Celsius 162 deg Celsius 182 deg Celsius Rth MTTF Hours FITs 58.9 C/W - 4.11E+08 5.36E+07 8.35E+06 2.43E+00 1.87E+01 1.20E+02 Bias Conditions: Vd=5.5V, Id=270 mA Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 5 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB App Note [3] USB/LSB Selection - LSB USB For Upper Side Band operation (USB): With IF1 and IF2 connected to the direct port (0) and coupled port (90) respectively as shown in the diagram, the USB signal will reside on the isolated port. The input port must be loaded with 50 ohms. IF2 IF1 For Lower Side Band operation (LSB): With IF1 and IF2 connected to the direct port (0) and coupled port (90) respectively as shown in the diagram, the LSB signal will reside on the input port. The isolated port must be loaded with 50 ohms. An alternate method of Selection of USB or LSB: USB LSB In Phase Combiner In Phase Combiner -90 o -90o IF2 IF1 IF2 IF1 Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 6 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB Application Circuit VD1&2 1uF 10 nF IF1_Out VG4 GND GND 10 nF 1uF 50 Ohm Line RF OUT GND GND XR1002-QB GND GND LO IN 50 Ohm Line VG1&2 GND GND 10 nF 1uF IF2_Out VG3 1uF 10 nF Board Layout VD1&2 IF1 Out VG4 C6 C5 C1 C2 RF IN LO IN C4 C3 C8 C7 VG1&2 VG3 C1 to C4 are 10 nF (402) C5 to C8 are 1 F (805) IF2 Out Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 7 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB XR1002-QB BPF Typical Application RF IN 27.5-29.5 GHz LNA IR Mixer Coupler IF Out 4 GHz AGC Control Atten=0-12dB LO(+15dBm) 23.5-25.5 GHz (USB Operation) 31.5-33.5 GHz (LSB Operation) Mimix Broadband MMIC-based 18.0-30.0 GHz Receiver Block Diagram (Changing LO and IF frequencies as required allows design to operate as high as 30 GHz) Also See: Multiplier selection guide at www.mimixbroadband.com for multipliers that can be used to drive the XR1002. Factory Automation and Identification Mimix Designator -QB Package Type QFN (7x7mm) Number of leads offered 28 W Tape Width 16mm P1 Component Pitch 12mm P0 Hole Pitch 4mm Reel Diameter 329mm (13in) Units per Reel 1000 Tape and Reel Packaging per the following conditions: Tape Width: 16 mm Tape Pitch (part to part): 12 mm Component Orientation: Parts are to be oriented with the PIN 1 closest to the tape's round sprocket holes on the tape's trailing edge. Reel Diameter: 329 mm (13 inch) 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 Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 8 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB Tech Note [1] Assumptions on Modulation - The effect of intermodulation on the performance of a QAM radio is determined by many factors. By making some reasonable assumptions, it can be deduced that the XR1002 will conform with ETSI-specified high receive power requirements when operating in radios with modulations of up to 256QAM and higher. For a Gray-coded QAM signals passing through a AWGN channel, an optimal receiver will require the C/N ratios shown in Figure 1. QAM level C/N for Assumed IM3 IIP3 for 1E-3(dB) for 1E-3 (dBm) 1E-3 (dBm) 16 16.6 -39.6 -14.7 64 22.6 -45.6 -11.7 128 25.6 -48.6 -10.2 256 28.6 -51.6 -8.7 Figure 1: C/N and IM3/IIP3 values for QAM (Pin=-20dBm and BER=1E-3) To estimate the IM3 required to produce a BER of 1E-3 involves many approximations, and assumptions on the radio and modem characteristics. Following is an example which is based on the assumptions listed. All of the values of 'Assumed IM3 for 1E-3' listed in Figure 1 are derived using this method. For a total input power at the receiver of -20dBm, this equates to a per-tone level of -23dBm, for a two-tone input. From Figure 1, an optimal 64 QAM receiver will require a 22.6dB C/N for a 1E-3 BER [F]. Therefore, the assumed in-band IM3 for 1E-3 performance is -23 - 22.6 = -45.6dBm. From this, the required IIP3 for 64 QAM is -23 + 22.6/2 = -11.7dBm. Assumptions: [A] The C/N figure for 1E-3 BER assumes a matched receiver with no implementation loss, and no degradation due to phase noise. [B] All third order intermodulation falls in the pass-band. In reality, some of the intermodulation will fall in the adjacent channels, and can be removed by filtering. This assumption makes this analysis conservative. [C] The amplitude distribution of the distortion products can be approximated to that of thermal noise. There is a relatively high degree of uncertainty in this assumption as the peak to average ratio for the signal depends on alpha, and the statistics of the third order signal distortion are unknown. [D] The addition of interference at a level of 6dB below the AWGN due to the channel, increases the effective noise by 1dB. This is true if the interference has identical Gaussian statistics to the channel's AWGN. [E] The receiver input level range is set at an upper limit of -20dBm for 1E-3 BER performance [1][2][3]. This input level is referenced before the branching [1][2][3], which in reality may bring the upper limit down below -21dBm. The exact number will depend on the particular system, so a worst-case hypothetical situation of no branching loss will be assumed. [F] The 1E-3 BER performance can depend greatly on the presence and performance of FEC. The worst case situation of NO FEC has been assumed in these derivations. References: [1] ETSI EN 300 198 V1.4.1 (2001-02): "Fixed Radio Systems; Point-to-point equipment; Parameter for radio systems for the transmission of digital signals operating at 23 GHz" [2] ETSI EN 300 431 V1.3.1 (2001-02): "Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for the transmission of digital signals operating in the frequency range 24,5 GHz to 29,50 GHz" [3] ETSI EN 300 197 V1.5.1 (2001-10): "Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for the transmission of digital signals operating at 32 GHz and 38 GHz" Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 9 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 18.0-30.0 GHz GaAs Receiver QFN, 7x7 mm November 2006 - Rev 03-Nov-06 R1002-QB 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. Package Attachment - This packaged product from Mimix Broadband is provided as a rugged surface mount package compatible with high volume solder installation. The package is a low-cost plastic package. 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. Reflow Profile Ramp Up Rate Activation Time and Temperature Time Above Melting Point Max Peak Temperature Time Within 5 C of Peak Ramp Down Rate Part Number for Ordering XR1002-QB-0N00 XR1002-QB-0N0T XR1002-QB-EV1 SnPb 3-4 C/sec 60-120 sec @ 140-160 C 60-150 sec 240 C 10-20 sec 4-6 C/sec Pb Free 3-4 C/sec 60-180 sec @ 170-200 C 60-150 sec 265 C 10-20 sec 4-6 C/sec Description Ni/Au plated RoHS compliant QFN 7x7 28L surface mount package in bulk quantity Ni/Au plated RoHS compliant QFN 7x7 28L surface mount package in tape and reel XR1002-QB Evaluation Module We also offer this part with alternative plating options. 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 10 of 10 Characteristic Data and Specifications are subject to change without notice. (c)2006 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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