Surface Mount ADT8-1T+ ADT8-1T RF Transformer 0.1 to 130 MHz 50Ω Maximum Ratings Operating Temperature Storage Temperature -20°C to 85°C -55°C to 100°C RF Power 0.5W DC Current 30mA Features • excellent amplitude unbalance, 0.05 dB typ. in 1 dB bandwidth • excellent return loss, 20 dB typ. in 1 dB bandwidth • aqueous washable • protected under US patent 6,133,525 CASE STYLE: CD637 +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Pin Connections PRIMARY DOT PRIMARY SECONDARY DOT SECONDARY SECONDARY CT NOT USED 3 1 4 6 5 2 Applications • impedance matching • balanced amplifiers Transformer Electrical Specifications Ω RATIO Outline Drawing FREQUENCY (MHz) (Secondary/Primary) 8 INSERTION LOSS* 0.1-130 PHASE UNBALANCE (Deg.) Typ. AMPLITUDE UNBALANCE (dB) Typ. 3 dB MHz 2 dB MHz 1 dB MHz 1 dB bandwidth 2 dB bandwidth 1 dB bandwidth 2 dB bandwidth 0.1-130 0.15-110 0.2-75 1 2 0.5 0.1 * Insertion Loss is referenced to mid-band loss, 0.4 dB typ. PCB Land Pattern Typical Performance Data FREQUENCY (MHz) INSERTION LOSS (dB) Suggested Layout, Tolerance to be within ± � .002 Outline Dimensions ( inch mm ) A .272 6.91 B .310 7.87 C .220 5.59 D .100 2.54 H .030 0.76 J .026 0.66 K .065 1.65 L .300 7.62 E .206 5.23 F .055 1.40 G .100 2.54 wt grams 0.40 0.09 0.24 0.57 1.00 35.50 75.00 100.00 115.00 125.00 130.00 Demo Board MCL P/N: TB-430 INPUT R. LOSS (dB) 0.47 0.40 0.40 0.37 0.47 0.72 1.08 1.40 1.66 1.80 15.05 23.55 29.96 32.82 31.20 16.98 11.97 9.71 8.44 7.87 0.04 0.04 0.04 0.04 0.04 0.01 0.04 0.09 0.14 0.17 0.00 0.00 0.03 0.04 0.91 2.34 3.69 4.78 5.67 6.17 40.0 1.6 RETURN LOSS (dB) INSERTION LOSS (dB) PHASE UNBALANCE (Deg.) ADT8-1T INPUT RETURN LOSS ADT8-1T INSERTION LOSS 2.0 Config. A AMPLITUDE UNBALANCE (dB) 1.2 0.8 0.4 0.0 0 26 52 78 104 130 30.0 20.0 10.0 0.0 0 26 FREQUENCY (MHz) 52 78 104 130 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. D M151107 ADT8-1T ED-7827/3 WZ/TD/CP/AM 150522