Ceramic Balun RF Transformer 75Ω 240 to 770 MHz NCS2-771-75+ 1:2 Ratio Features Maximum Ratings Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C Input RF Power* 2W at 25°C *Passband rating , derate linearly to 1W at 100°C ambient. Permanent damage may occur if any of these limits are exceeded. Pad Connections PRIMARY DOT (Unbalanced Port) 2 PRIMARY (GND) 1, 3 SECONDARY DOT (Balanced) 4 SECONDARY (Balanced) 6 NO CONNECTION 5 CASE STYLE: GE0805C-9 • wideband, 240 to 770 MHz • low phase unbalance, 7 deg. and amplitude unbalance, 0.3 dB typ. • miniature size 0805 (2.0x1.25mm) • LTCC construction • low cost • aqueous washable +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications and Reel Available Tape cost at no extra Devices/Reel 20, 50, 100, 200, 500,1000, 4000 Reel Size 7” • VHF/UHF • signal process • instrumentation Electrical Specifications at 25°C Parameter Frequency (MHz) Min. Typ. Impedance Ratio (secondary/primary) Frequency Range Outline Drawing PCB Land Pattern Max. Unit 2 240 — 770 MHz Insertion Loss* 240 - 770 — 0.8 1.2 dB Amplitude Unbalance 240 - 770 — 0.3 1.0 dB Phase Unbalance† 240 - 770 — 7 10 Degree * Reference Demo Board TB-626+ † Relative to 180° INDEX AREA* Typical Performance Data at 25°C** FREQUENCY (MHz) Suggested Layout, Tolerance to be within ±.002 240 300 370 420 500 570 620 670 710 770 Outline Dimensions ( inch mm ) A .079 2.0 B .049 1.24 C .037 0.94 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 AMPLITUDE UNBALANCE (dB) PHASE UNBALANCE (Deg.) 0.66 0.58 0.63 0.67 0.72 0.74 0.75 0.76 0.77 0.79 18.76 20.33 16.43 15.22 14.73 15.18 16.01 17.24 18.58 21.67 0.21 0.17 0.14 0.12 0.10 0.10 0.08 0.06 0.04 0.04 4.45 5.57 6.29 6.26 5.34 3.40 1.41 1.10 3.65 7.99 ** Measured with Agilent E5071B network analyzer using impedance conversion and port extension. NCS2-771-75+ INSERTION LOSS INSERTION LOSS (dB) 1.0 Demo Board MCL P/N: TB-626+ Suggested PCB Layout (PL-348) INPUT R. LOSS (dB) 0.9 0.3 0.8 0.2 0.7 0.1 0.6 0.5 NCS2-771-75+ AMPLITUDE UNBALANCE 0.4 AMPLITUDE UNBALANCE (dB) *Shape of index marking may vary INSERTION LOSS (dB) 0.0 240 346 452 558 664 770 240 346 452 770 configuration J 8 NO CONNECTION* PRI 5 3 0 664 NCS2-771-75+ PHASE UNBALANCE 10 PHASE UNBALANCE (deg.) 558 FREQUENCY (MHz) FREQUENCY (MHz) SEC *Internal open circuit 240 346 452 558 664 770 FREQUENCY (MHz) 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 M146515 NCS2-771-75+ MY/CP/AM 180124