19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 Features Sub-harmonic Receiver Integrated LNA, LO Buffer, Image Reject Mixer 7x7 mm, QFN +2.0 dBm LO Drive Level 3.0 dB Noise Figure 20.0 dB Image Rejection 100% On-Wafer RF, DC and Noise Figure Testing General Description Mimix Broadband’s 19.0-26.0 GHz GaAs packaged receiver has a noise figure of 3.0 dB and 20.0 dB image rejection across the band. This device is a two stage balanced LNA followed by an image reject sub-harmonic anti-parallel diode mixer and includes an integrated LO buffer amplifer. The image reject mixer eliminates the need for a bandpass filter after the LNA to remove thermal noise at the image frequency. The use of a sub-harmonic mixer makes the provision of the LO easier than for fundamental mixers at these frequencies. I and Q mixer outputs are provided and an external 90 degree hybrid is required to select the desired sideband. This device uses Mimix Broadband’s 0.15 µm GaAs PHEMT device model technology, and is based upon electron beam lithography to ensure high repeatability and uniformity. The device comes in a 7x7 mm QFN Surface Mount Laminate Package offering excellent RF and thermal properties and is RoHS compliant. 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,Id2) Gate Bias Voltage (Vg) Input Power (RF Pin) Storage Temperature (Tstg) Operating Temperature (Ta) Channel Temperature (Tch) +4.5 VDC 180, 165 mA +0.3 VDC 0.0 dBm -65 to +165 OC -55 to MTTF Table 3 MTTF Table 3 (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 (RF) Lower Side Band Frequency Range (LO) Frequency Range (IF) Input Return Loss RF (S11) Small Signal Conversion Gain RF/IF (S21)2 LO Input Drive (PLO) Image Rejection2 Noise Figure (NF)2 Isolation LO/RF @ LOx1/LOx2 Input Third Order Intercept (IIP3)1,2 Drain Bias Voltage (Vd1) Drain Bias Voltage (Vd2) Gate Bias Voltage (Vg1,2) Supply Current (Id1) (Vd1=4.0V, Vg=-0.3V Typical) Supply Current (Id2) (Vd2=4.0V,Vg=-0.3V Typical) Units GHz GHz GHz GHz dB dB dBm dBc dB dB dBm VDC VDC VDC mA mA Min. 19.0 19.0 8.0 DC -1.2 - Typ. 12.0 8.0 +2.0 20.0 3.0 40.0 -7.0 +4.0 +4.0 -0.3 130 116 Max. 26.0 26.0 14.5 3.0 +4.5 +4.5 +0.1 155 140 (1) Measured using constant current. (2) Measured using LO Input drive level of +2.0 dBm. 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. ©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. 19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 Receiver Measurements LSB Conversion Gain USB Conversion Gain 8 8 6 6 4 4 Conversion Gain (dB) 10 Conversion Gain (dB) 10 2 0 -2 -4 2 0 -2 -4 -6 -6 -8 -8 -10 -10 17 18 19 20 21 22 RF USB (GHz) 23 24 25 17 26 18 19 20 8 8 7 7 6 6 5 5 NF (dB) NF (dB) 22 23 24 25 25 26 26 [IF = 2 GHz] LSB Noise Figure USB Noise Figure 4 4 3 3 2 2 1 1 0 0 17 18 19 20 21 22 RF USB (GHz) 23 24 25 26 27 17 18 19 20 21 22 RF LSB (GHz) [IF = 2 GHz] USB Image Rejection 23 24 27 [IF = 2 GHz] LSB Image Rejection 0 0 -5 -5 -10 Image Rejection (dB) -10 Image Rejection (dB) 21 RF LSB (GHz) [IF = 2 GHz] -15 -20 -25 -30 -15 -20 -25 -30 -35 -35 -40 -40 -45 17 18 19 20 21 22 RF USB (GHz) 23 [IF = 2 GHz] 24 25 26 27 17 18 19 20 21 RF LSB (GHz) Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com 22 23 24 25 26 [IF = 2 GHz] Page 2 of 7 Characteristic Data and Specifications are subject to change without notice. ©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. 27 19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 Receiver Measurements (cont.) Typical OIP3 and IIP3 at USB, LO Pin = -2, 0 and +2dBm Typical OIP3 and IIP3 at LSB, LO Pin = -2, 0 and +2dBm 10 8 6 4 2 0 -2 OIP3 OIP3, LO = -2dBm OIP3, LO = 0dBm -4 -6 -8 -10 -12 OIP3, LO = +2dBm IIP3 IIP3, LO = -2dBm IIP3, LO = 0dBm -14 -16 -18 -20 IIP3, LO = 2dBm 16 17 18 19 20 21 RF USB (GHz) * Measured on-wafer prior to packaging 22 23 24 [IF = 3GHz] 25 26 27 28 OIP3 and IIP3 (dBm) OIP3 and IIP3 (dBm) 10 8 6 4 2 0 -2 OIP3 OIP3, LO = -2dBm OIP3, LO = 0dBm -4 -6 -8 -10 -12 OIP3, LO = 2dBm IIP3, LO = -2dBm IIP3 IIP3, LO = 0dBm -14 -16 -18 -20 IIP3, LO = 2dBm 16 17 18 19 20 21 RF LSB (GHz) * Measured on-wafer prior to packaging 22 23 24 25 26 27 28 [IF = 3GHz] 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. ©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. 19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 Package Outline Pin Designations (Note: Engineering designator is 22REC0393) Pin Number 6 13 15 18 28 38 41 43 Pin Name Pin Function RF in VG1 VG2 IF2 LO in IF1 VD2 VD1 RF input LNA Gate Bias LO Buffer Gate Bias IF2 output LO input IF1 output LO Buffer Drain Bias LNA Drain Bias Nominal Value Unit -0.3 -0.1 V V 4.0 3.5 V V All other pins N/C 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. ©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. 19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 App Note [1] Biasing - The device is operated by separately biasing Vd1 and Vd2 with Vd1=4.0V, Id1=130mA and Vd2=4.0V, Id2=116mA. 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 -0.3V. 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 Table (TBD) These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry. Backplate Temperature Channel Temperature Rth MTTF Hours FITs 55 deg Celsius deg Celsius C/W E+ E+ 75 deg Celsius deg Celsius C/W E+ E+ 95 deg Celsius deg Celsius C/W E+ E+ Bias Conditions: Vd1=4.0V, Vd2=4.0V, Id1=130 mA, Id2=116 mA Typical Application XR1005-QD BPF RF IN 21.2-23.6 GHz LNA IR Mixer IF Out 2 GHz Coupler AGC Control LO(+2.0dBm) 9.6-10.8 GHz (USB Operation) 11.6-12.8 GHz (LSB Operation) Mimix Broadband MMIC-based 19.0-26.0 GHz Receiver Block Diagram (Changing LO and IF frequencies as required allows design to operate as high as 26.0 GHz) Mimix Broadband's 19.0-26.0 GHz XR1005-QD GaAs Receiver can be used in saturated radio applications and linear modulation schemes up to 16 QAM. The receiver can be used in upper and lower sideband applications from 19.0-26.0 GHz. 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. ©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. 19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 App Note [3] USB/LSB Selection - LSB USB IF2 For Upper Side Band operation (USB): With IF1 and IF2 connected to the direct port (0º) and coupled port (90º) respectively as shown in the diagram, the USB signal will reside on the isolated port. The input port must be loaded with 50 ohms. For Lower Side Band operation (LSB): With IF1 and IF2 connected to the direct port (0º) and coupled port (90º) respectively as shown in the diagram, the LSB signal will reside on the input port. The isolated port must be loaded with 50 ohms. IF1 An alternate method of Selection of USB or LSB: -90 USB LSB In Phase Combiner In Phase Combiner -90o o 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 7 Characteristic Data and Specifications are subject to change without notice. ©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. 19.0-26.0 GHz GaAs Receiver QFN, 7x7 mm R1005-QD August 2007 - Rev 12-Aug-07 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. ©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.