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| HMC258LC3B v00.0707 GaAs MMIC SUB-HARMONIC SMT MIXER, 14.5 - 19.5 GHz Features Integrated LO Amplifier: 0 dBm Input Sub-Harmonically Pumped (x2) LO High 2LO/RF Isolation: >45 dB Wide IF Bandwidth: DC - 3.5 GHz No External Matching Required RoHS Compliant 3x3mm Ceramic SMT Package Typical Applications The HMC258LC3B is ideal for: * Point to Point Radios * VSAT and SATCOM * Test & Measurement Equipment * Military & Space Functional Diagram General Description The HMC258LC3B is a 14.5 - 19.5 GHz surface mount sub-harmonically pumped (x2) MMIC mixer with an integrated LO amplifier in a SMT leadless ceramic package. At 45 dB the 2LO to RF isolation eliminates the need for additional filtering. The LO amplifier is a single bias (+5V) two stage design with only 0 dBm driver requirement. The HMC258LC3B requires no external matching components, making it ideal for integrated subsystem applications. Utilizing the HMC258LC3B eliminates the need for wirebonding, thereby providing a consistent connection interface for the customer. Electrical Specifications, TA = +25C, LO Drive = 0 dBm Parameter Min. Frequency Range, RF Frequency Range, LO Frequency Range, IF Conversion Loss Noise Figure (SSB) 2LO to RF Isolation 2LO to IF Isolation IP3 (Input) 1 dB Compression (Input) Supply Current (Idd) *Unless otherwise noted, all measurements performed as downconverter, IF = 1 GHz 35 30 IF = 1 GHz Vdd = +5.0V Typ. 14.5 - 19.5 7.25 - 10 DC - 3.5 10 10 45 40 5 -3 42 57 14 14 Max GHz GHz GHz dB dB dB dB dBm dBm mA Units 15 - 2 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 HMC258LC3B v00.0707 GaAs MMIC SUB-HARMONIC SMT MIXER, 14.5 - 19.5 GHz Conversion Gain vs. LO Drive 0 LO = -4dBm LO = -2dBm LO = 0dBm LO = +2dBm LO = +4dBm Conversion Gain vs. Temperature @ LO = 0 dBm 0 CONVERSION GAIN (dB) CONVERSION GAIN (dB) -5 -5 -10 -10 -15 +25C -40C +85C -15 -20 -20 -25 14 15 16 17 18 19 20 RF FREQUENCY (GHz) -25 14 15 16 17 18 19 20 RF FREQUENCY (GHz) Isolation @ LO = 0 dBm 10 LO/IF RF & LO Return Loss @ LO = 0 dBm 0 -5 0 LO/RF ISOLATION (dB) -10 -20 -30 2LO/IF RF/IF RETURN LOSS (dB) -10 -15 -20 -25 LO RF -40 -50 2LO/RF -60 14 -30 15 16 17 18 19 20 0 5 10 15 20 25 RF FREQUENCY (GHz) FREQUENCY (GHz) IF Bandwidth @ LO = 0 dBm 0 IF Return Loss @ LO = 0 dBm 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 IF CONVERSION GAIN (dB) -5 -10 -15 -20 -25 0 1 2 3 4 5 6 IF FREQUENCY (GHz) 0 1 2 3 4 5 6 IF 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 15 - 3 HMC258LC3B v00.0707 GaAs MMIC SUB-HARMONIC SMT MIXER, 14.5 - 19.5 GHz Input IP2 vs. LO Drive * 60 50 40 -2 dBm 0 dBm +2 dBm Input IP3 vs. LO Drive * 20 -2 dBm 0 dBm +2 dBm 15 IP3 (dBm) 10 IP2 (dBm) 14 15 16 17 18 19 20 21 22 30 20 5 0 10 0 14 15 16 17 18 19 20 21 22 RF FREQUENCY (GHz) RF FREQUENCY (GHz) -5 Input P1dB 10 8 Upconverter Performance Conversion Gain @ LO = 0 dBm 0 4 P1dB (dBm) 2 0 -2 -4 -6 -8 -10 14 15 16 17 18 19 20 21 RF FREQUENCY (GHz) CONVERSION GAIN (dB) 6 -5 -10 -15 -20 -25 14 15 16 17 18 19 20 21 RF FREQUENCY (GHz) MxN Spurious Outputs @ LO = 0 dBm nLO mRF 1 2 3 4 -4 -3 -2 -1 RF = 18 GHz @ -10 dBm LO = 8.5 GHz @ 0 dBm All values in dBc below IF power level. -2 X 47.1 34.5 66.7 50.1 59.5 32.8 45.4 -4 -6 -8 9 7 5 3 * Two-tone input power = -10 dBm each tone, 1 MHz spacing. 15 - 4 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 HMC258LC3B v00.0707 GaAs MMIC SUB-HARMONIC SMT MIXER, 14.5 - 19.5 GHz Absolute Maximum Ratings RF / IF Input (Vdd = +5V) LO Drive (Vdd = +5V) Vdd Continous Pdiss (Ta = 85 C) (derate 2.1 mW/C above 85 C) Channel Temperature Thermal Resistance (channel to ground paddle) Storage Temperature Operating Temperature +13 dBm +13 dBm +5.5V 486 mW 150 C 133.6 C/W -65 to +150 C -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. 8. CLASSIFIED AS MOISTURE SENSITVITY LEVEL (MSL) 1. 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 15 - 5 HMC258LC3B v00.0707 GaAs MMIC SUB-HARMONIC SMT MIXER, 14.5 - 19.5 GHz Pin Description Pin Number 1, 4, 6, 10, 12 Function Description Interface Schematic GND Must be soldered to PCB RF ground. 2 IF IF Port. 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. 3 Vdd Power Supply for the LO Amplifier. An external RF bypass capacitor of 100 - 330 pF is required as close to the package as possible. 5 LO LO Port. This pin is AC coupled and matched to 50 Ohms. 7-9 N/C This pin may be connected to the housing ground or left unconnected. 11 RF RF Port. This pin is AC coupled and matched to 50 Ohms. 15 - 6 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 HMC258LC3B v00.0707 GaAs MMIC SUB-HARMONIC SMT MIXER, 14.5 - 19.5 GHz Evaluation PCB List of Materials for Evaluation PCB 110862 [1] Item J1 - J2 J3 C1 C2 C3 U1 PCB [2] Description SRI SMA Connector Johnson SMA Connector 100pF Capacitors, 0402 Pkg. 1000pF Capacitors, 0603 Pkg. 2.2 F HMC258LC3B Mixer 110860 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The cirtcuit board used in the 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. 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 15 - 7 |
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