HMC798LC4 v03.0110 MIXERS - SUB-HARMONIC - SMT 10 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Typical Applications Features The HMC798LC4 is ideal for: Integrated LO Amplifier: +4 dBm Input • Point-to-Point Radios Sub-Harmonically Pumped (x2) LO • Point-to-Multi-Point Radios & VSAT Wideband IF: DC - 4 GHz • Test Equipment & Sensors Single Positive Supply: +5V @ 95mA • Military End-Use 24 Lead 4x4mm SMT Package: 16mm2 • SAT COM Functional Diagram General Description The HMC798LC4 is a 24 - 34 GHz Sub-harmonically Pumped (x2) MMIC Mixer with an integrated LO amplifier in a leadless RoHS compliant SMT package. The 2LO to RF isolation is excellent at 30 dB, eliminating the need for additional filtering. The LO amplifier is a single bias +5V design with a nominal +4 dBm drive requirement. The RF and LO ports are matched to 50 Ohms for ease of use while the IF covers DC to 4 GHz. The HMC798LC4 eliminates the need for wire bonding, allowing use of surface mount manufacturing techniques. Electrical Specifi cations, TA = +25°C, Vcc = 5V IF = 1 GHz LO = 4 dBm Parameter Min. Typ. IF = 1 GHz LO = 4 dBm Max. Min. Typ. Units Max. Frequency Range, RF 24 - 29.5 29.5 - 34 GHz Frequency Range, LO 12 - 16 13.5 - 17.75 GHz Frequency Range, IF DC - 4 Conversion Loss 2LO to RF Isolation 11 25 2LO to IF Isolation IP3 (Input) DC - 4 13 30 10 20 45 17 20 1 dB Compression (Input) 10 Supply Current (Idd) 95 19 125 GHz 12 dB 35 dB 22 dBm 12 dBm 95 125 *Unless otherwise noted, all measurements performed as upconverter, IF= 1 GHz, LO = 4 dBm 10 - 346 dB 25 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com mA HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Conversion Gain vs. Temperature, USB -4 -4 -6 -6 -8 -10 -12 -14 +25 C +85 C -40 C -16 -18 -12 -14 +25 C +85 C -40 C -16 -20 23 24 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 35 Conversion Gain vs. LO Drive, LSB 23 0 -6 -10 -8 -10 -12 -14 -16 6 dBm 4 dBm 2 dBm -18 24 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 35 32 33 34 35 32 33 34 35 Isolations -4 ISOLATION (dB) CONVERSION GAIN (dB) 10 -10 -18 -20 2LO/RF 2LO/IF LO/RF IF/RF LO/IF -20 -30 -40 -50 -60 -20 -70 23 24 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 35 Input IP3 vs. LO Drive 23 24 22 22 20 20 18 16 6 dBm 4 dBm 2 dBm 14 24 25 26 27 28 29 30 31 FREQUENCY (GHz) Input IP3 vs. Temperature 24 IIP3 (dBm) IIP3 (dBm) -8 MIXERS - SUB-HARMONIC - SMT CONVERSION GAIN (dB) CONVERSION GAIN (dB) Conversion Gain vs. Temperature, LSB 18 16 +25 C +85 C -40 C 14 12 12 10 10 23 24 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 35 23 24 25 26 27 28 29 30 31 FREQUENCY (GHz) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 10 - 347 HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Input IP2 vs. Temperature 80 75 75 70 70 65 65 IIP2 (dBm) 80 60 55 6 dBm 4 dBm 2 dBm 50 55 +25 C +85 C -40 C 45 40 40 23 24 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 35 23 18 16 16 14 14 12 12 P1dB (dBm) 18 10 8 6 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 35 8 +25 C +85 C -40 C 4 2 2 0 0 24 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 Conversion Gain vs. IF Frequency, LSB 24 -6 CONVERSION GAIN (dB) -4 -6 -8 -10 -12 -14 1000 MHz 2000 MHz 3750 MHz -16 25 26 27 28 29 30 31 FREQUENCY (GHz) 32 33 34 Conversion Gain vs. IF Frequency, USB -4 -18 -8 -10 -12 -14 1000 MHz 2000 MHz 3750 MHz -16 -18 -20 -20 23 24 25 26 27 28 29 30 31 32 RF FREQUENCY (GHz) 33 34 35 23 24 25 26 27 28 29 30 31 32 RF FREQUENCY (GHz) 33 * Two-tone input power = 0 dBm each tone, 1 MHz spacing. 10 - 348 34 10 6 +25 C +85 C -40 C 4 24 Input P1dB vs. Temperature, USB Input P1dB vs. Temperature, LSB CONVERSION GAIN (dB) 60 50 45 P1dB (dBm) MIXERS - SUB-HARMONIC - SMT 10 IIP2 (dBm) Input IP2 vs. LO Drive For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 34 35 HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz RF Return Loss 0 0 -4 -4 -8 -12 +25 C +85 C -40 C -16 25 C 85 C -40 C -12 -16 -20 -20 0 1 2 3 FREQUENCY (GHz) 4 5 20 22 24 26 28 30 32 34 FREQUENCY (GHz) 36 38 40 MxN Spurious Outputs @ RF Port, Vdd = 5V LO Return Loss 0 nLO -5 RETURN LOSS (dB) 10 -8 -10 -15 +25 C +85 C -40 C -20 -25 -30 8 9 10 11 12 13 14 15 16 FREQUENCY (GHz) 17 18 19 20 mIF 2 -3 68 1 0 -2 53 71 66 -1 0 49 32 0 1 31 1 1 45 31 2 54 66 65 3 66 IF = 2 GHz @ -10 dBm LO = 15 GHz @ 4 dBm All values in dBc below IF power level (2LO - 1IF) Measured as upconverter For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com MIXERS - SUB-HARMONIC - SMT RETURN LOSS (dB) RETURN LOSS (dB) IF Return Loss 10 - 349 HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Absolute Maximum Ratings MIXERS - SUB-HARMONIC - SMT 10 RF / IF Input (Vdd = +5V) +13 dBm LO Drive (Vdd = +5V) +10 dBm Vdd 5.5V Channel Temperature 175 °C Continuous Pdiss (Ta = 85 °C) (derate 8.33 mW/°C above 85 °C) 0.75 mW Thermal Resistance (junction to ground paddle) 119 °C/W Storage Temperature -65 to +150 °C Operating Temperature -40 to +85 °C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing NOTES: 1. PACKAGE BODY MATERIAL: ALUMINA. 2. LEAD AND GROUND PADDLE PLATING: GOLD FLASH OVER NICKEL. 3. DIMENSIONS ARE IN INCHES (MILLIMETERS). 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 5. CHARACTERS TO BE HELVETICA MEDIUM, .025 HIGH, BLACK INK, OR LASER MARK LOCATED APPROX. AS SHOWN. 6. PACKAGE WARP SHALL NOT EXCEED 0.05MM DATUM – C – 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 10 - 350 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Pin Descriptions Function Description 1, 4, 6, 7, 9, 12 - 14, 16, 18, 19, 24 GND These pins and package bottom must be connected to RF/DC ground. 2, 3, 10, 17, 20 - 23 N/C No connection required. The pins are not connected internally; however, all data shown herein was measured with these pins connected to RF/DC ground externally. 5 IF This pin is DC coupled and should be DC blocked externally using a series capacitor whose value has been chosen to pass the necessary IF frequency range. Any applied DC voltage to this pin will result in die non-function and possible die failure. 8 RF This pin is DC coupled and matched to 50 Ohms. 11 Vcc Power supply for the LO Amplifier. 15 LO This pin is DC blocked and matched to 50 Ohms. Interface Schematic For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 10 MIXERS - SUB-HARMONIC - SMT Pin Number 10 - 351 HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Evaluation PCB MIXERS - SUB-HARMONIC - SMT 10 List of Materials for Evaluation PCB 126601 [1] Item Description J1 - J3 PCB Mount SMA RF Connector J2, J3 PCB Mount SRI K Connector J4, J5 DC Pin C1 100 pF Capacitor, 0402 Pkg. C2 10,000 pF Capacitor, 0603 Pkg. C3 4.7 μF Tantalum Capacitor, Case A U1 HMC798LC4 Mixer PCB [2] 126598 Evaluation PCB The circuit board used in this application should use RF circuit design techniques. Signal lines should have 50 Ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation board should be mounted to an appropriate heat sink. The evaluation circuit board shown is available from Hittite upon request. [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Arlon 25FR or Rogers 4350 10 - 352 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC798LC4 v03.0110 GaAs MMIC SUB-HARMONIC SMT MIXER, 24 - 34 GHz Notes: MIXERS - SUB-HARMONIC - SMT 10 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 10 - 353