Ceramic Balun RF Transformer 50Ω 2250 to 2725 MHz NCS3-272+ 1:3 Ratio CASE STYLE: GE0805C-1 Features Maximum Ratings Operating Temperature -40°C to 85°C Storage Temperature -55°C to 100°C Input RF Power*** 3W *** Derate linearly to 2W at 85°C Permanent damage may occur if any of these limits are exceeded. Pad Connections PRIMARY DOT (Unbalanced Port) 1 PRIMARY (GND) 2 SECONDARY DOT (Balanced) 4 SECONDARY (Balanced) 3 NO CONNECTION 6 NOT USED (GND Externally) 5 • wideband, 2250 to 2725 MHz • low phase unbalance, 3 deg. and amplitude unbalance, 0.4 dB typ. • miniature size, 0.079”x0.049”x0.033” • LTCC construction • low cost • aqueous washable +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications • • • • WLAN WIMAX/WIBRO MMDS radar Pads 2,3,4 are DC-connected internally Reel Size 7” Electrical Specifications (TAMB=25°C) Ω RATIO FREQUENCY (MHz) INSERTION* LOSS (dB) 3 2250-2725 1.0 (Secondary/Primary) Outline Drawing PCB Land Pattern and Reel Available Tape cost at no extra Devices/Reel 20, 50, 100, 200, 500,1000, 2000 PHASE UNBALANCE AT SECONDARY† (Deg.) AMPLITUDE UNBALANCE (dB) Typ. Typ. 3 0.4 * Insertion Loss is referenced to mid-band loss, 0.6 dB. Reference Demo Board TB-419+ † Relative to 180° INDEX AREA* Typical Performance Data at 25ºC** FREQUENCY (MHz) INSERTION LOSS (dB) INPUT R. LOSS (dB) AMPLITUDE UNBALANCE (dB) PHASE UNBALANCE (Deg.) 2250.00 2300.00 2350.00 2400.00 2500.00 0.19 0.10 0.03 0.00 0.00 14.44 17.15 20.87 26.39 25.73 0.06 0.02 0.04 0.10 0.20 0.41 0.17 0.15 0.40 1.26 2550.00 2600.00 2650.00 2700.00 2725.00 0.02 0.06 0.10 0.15 0.18 21.19 18.34 16.31 14.79 14.18 0.24 0.29 0.35 0.36 0.40 1.90 2.26 3.04 3.51 3.91 Suggested L ayout, T olerance to be within ±.002 *Shape of index marking may vary B .049 1.24 C .033 0.84 D .014 0.36 G .026 0.66 H .014 0.36 J .039 1.00 K .110 2.80 E .012 0.30 F .012 0.30 wt grams .008 Demo Board MCL P/N: TB-419+ Suggested PCB Layout (PL-264) NCS3-272+ INSERTION LOSS 0.30 INSERTION LOSS (dB) A .079 2.01 ** Measured with Agilent E5071B network analyzer using impedance conversion and port extension. 0.25 0.20 0.15 0.10 0.05 0.00 2250 2350 2650 2750 0.8 0.6 0.4 0.2 0.0 2250 2350 2450 2550 FREQUENCY (MHz) 2650 2750 NCS3-272+ PHASE UNBALANCE 6.0 PHASE UNBALANCE (Deg) 2450 2550 FREQUENCY (MHz) NCS3-272+ AMPLITUDE UNBALANCE 1.0 AMPLITUDE UNBALANCE (dB) Outline Dimensions ( inch mm ) configuration J 5.0 4.0 NO CONNECTION* PRI 3.0 2.0 1.0 0.0 2250 SEC *Internal open circuit 2350 2450 2550 FREQUENCY (MHz) 2650 2750 Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp Mini-Circuits ® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected] REV. A M151107 NCS3-272+ ED 12817/34B24 RS/AM 180124