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| MICROWAVE CORPORATION HMC272MS8 General Description The HMC272MS8 is an ultra miniature single balanced mixer in an 8 lead plastic surface mount Mini Small Outline Package (MSOP). This passive MMIC mixer is constructed of GaAs Schottky diodes and a novel planar transformer balun on the chip. The RF port is balanced via the MMIC balun while the LO port is connected directly to the diodes. The device can be used as an up or downconverter for PCS, W-CDMA, 2.4 ISM, or MMDS applications. The consistent MMIC performance will improve system operation and assure regulatory compliance. The MSOP8 package is the smallest footprint available for a complete single-balanced mixer, 0.118" x 0.190" (3.0mm x 4.9mm). At a height of 0.040" (1.0mm) this is the thinnest mixer package available today. GaAs MMIC SMT SINGLE BALANCED MIXER 1.7 - 3 GHz FEBRUARY 2001 Features ULTRA SMALL PACKAGE: MSOP8 LO/RF ISOLATION: 35 dB IP3 (INPUT): +20 dBm IDEAL FOR MMDS & W-CDMA 4 MIXERS SMT Guaranteed Performance, As a Function of IF Frequency, -40 to +85 deg C Parameter LO = +10 dBm IF = 100 MHz LO = +10 dBm IF = 400 MHz Units Max. GHz Min. Typ. 2-3 Max. Min. Typ. 1.7 - 2.8 Frequency Range, RF & LO Frequency Range, IF Conversion Loss Noise Figure (SSB) LO to RF Isolation LO to IF Isolation IP3 (Input) 1 dB Gain Compression (Input) Local Oscillator Drive Level 12 Elizabeth Drive, Chelmsford, MA 01824 DC - 0.8 9 9 22 12 17 8 7 30 20 21 11 10 15 10.5 10.5 24 11 16 7 7 DC - 0.8 9 9 32 18 20 10 10 15 11 11 GHz dB dB dB dB dBm dBm dBm Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 4 - 158 HMC272MS8 MICROWAVE CORPORATION HMC272MS8 SMT SINGLE-BALANCED MIXER 1.7 - 3. GHz FEBRUARY 2001 Conversion Gain vs. Temperature @ LO = +10 dBm 0 +25 C CONVERSION GAIN (dB) -5 -40 C Isolation @ LO = +10 dBm 0 RF/IF -10 ISOLATION (dB) -20 -30 LO/IF -40 LO/RF -50 -10 -15 +85 C -20 IF = 400 MHz -25 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) -60 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) 4 MIXERS Conversion Gain vs. LO Drive 0 +10dBm CONVERSION GAIN (dB) -5 +13dBm -10 Return Loss @ LO = +10 dBm 0 -5 RETURN LOSS (dB) -10 -15 +7dBm -20 +9dBm -25 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) IF = 400 MHz +5dBm -15 LO -20 RF -25 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) Conversion Gain vs. IF Frequency 0 100 MHz CONVERSION GAIN (dB) -5 IF Bandwidth @ LO = +10 dBm, Conversion Gain & Return Loss 0 IF Conversion Gain CONVERSION GAIN (dB) RETURN LOSS (dB) -5 -10 -10 -15 400 MHz -20 800 MHz -25 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) -15 IF Return Loss -20 -25 0 0.5 1 1.5 IF FREQUENCY (GHz) 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 4 - 159 SMT HMC272MS8 MICROWAVE CORPORATION HMC272MS8 SMT SINGLE-BALANCED MIXER 1.7 - 3 GHz FEBRUARY 2001 Input IP3 vs. LO Drive 25 THIRD ORDER INTERCEPT (dBm) 24 23 22 21 20 19 18 17 16 15 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 FREQUENCY (GHz) +7 dBm +13 dBm +10 dBm Input IP3 vs. Temperature @ LO = +10 dBm 25 THIRD ORDER INTERCEPT (dBm) 24 23 22 21 20 19 18 17 +85C 16 15 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 FREQUENCY (GHz) +25C -40C 4 MIXERS Input IP2 vs. LO Drive SECOND ORDER INTERCEPT (dBm) 70 +13 dBm 60 +10 dBm 50 P1dB vs. Temperature LO = +10 dBm 15 14 13 12 P1dB (dBm) 11 10 9 8 7 6 -55 C +85 C +25 C SMT 40 +7 dBm 30 20 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 FREQUENCY (GHz) 5 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 FREQUENCY (GHz) MXN Spurious Outputs nLO mRF 0 1 2 3 4 0 xx 9 64 82 106 1 -8 0 58 89 > 110 2 4 38 61 95 >110 3 3 28 44 92 >107 4 27 43 67 87 >110 Harmonics of LO LO Frequency (GHz) 1.5 1.7 1.9 2.1 2.3 2.5 nLO Spur at RF Por t 1 2 3 4 44 18 42 50 40 39 42 43 35 16 18 20 23 26 42 40 35 36 37 53 53 55 55 56 RF= 2.6 GHz @ -10 dBm LO= 2.2 GHz @ +13 dBm All values in dBc relative to the IF LO= +10 dBm Values in dBc below input LO level measured at the RF por t 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 4 - 160 HMC272MS8 MICROWAVE CORPORATION HMC272MS8 SMT SINGLE-BALANCED MIXER 1.7 - 3 GHz FEBRUARY 2001 Schematic LO (PIN 2) RF (PIN 8) GND (PINS 1, 3, 5) IF (PIN 6) Absolute Maximum Ratings RF / IF Input LO Drive Storage Temperature Operating Temperature +13 dBm +27 dBm -65 to +150 deg C -55 to +85 deg C Outline Drawing 4 MIXERS 1. MATERIAL: A) PACKAGE BODY - LOW STRESS INJECTION-MOLDED PLASTIC, SILICA & SILICONE IMPREGNATED. B) LEADFRAME MATERIAL: COPPER ALLOY 2 . PLATING: LEAD-TIN SOLDER PLATE 3 . DIMENSIONS ARE IN INCHES (MILLIMETERS), UNLESS OTHERWISE SPECIFIED TOL. ARE 0.005 (0.13) 4. CHARACTERS TO BE HELVETICA MEDIUM, 0.030 HIGH 5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.006 (0.15mm) PER SIDE 6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.010 (0.25mm) PER SIDE 7. N/C = NO CONNECTION, RF GROUND THESE PINS 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 4 - 161 SMT HMC272MS8 MICROWAVE CORPORATION HMC272MS8 SMT SINGLE-BALANCED MIXER 1.7 - 3 GHz FEBRUARY 2001 Evaluation Circuit Board 4 MIXERS SMT The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads should be connected directly to the ground plane similar to that shown below. A sufficient number of VIA holes should be used to connect the top and bottom ground planes. The evaluation circuit board as shown is available from Hittite upon request. Evaluation Circuit Board Layout Design Details Layout Technique Material Dielectric Thickness 50 Ohm Line Width Gap to Ground Edge Ground VIA Hole Diameter Connectors Grounded Co-Planar Waveguide (GCPW) FR4 0.028" (0.71 mm) 0.037" (0.94 mm) 0.010" (0.25 mm) 0.014" (0.36 mm) SMA-F ( EF - Johnson P/N 142-0701-806) 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 4 - 162 HMC272MS8 MICROWAVE CORPORATION HMC272MS8 SMT SINGLE-BALANCED MIXER 1.7 - 3 GHz FEBRUARY 2001 NOTES: 4 MIXERS 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 4 - 163 SMT |
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