Surface Mount ADT4-1WT+ ADT4-1WT RF Transformer 50Ω 2 to 775 MHz Maximum Ratings Operating Temperature Storage Temperature -20°C to 85°C -55°C to 100°C RF Power 0.25W DC Current 30mA Pin Connections PRIMARY DOT PRIMARY SECONDARY DOT SECONDARY SECONARY CT NOT USED 3 1 4 6 5 2 Features + RoHS compliant in accordance with EU Directive (2002/95/EC) The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Applications • impedance matching • baluns Transformer Electrical Specifications Ω RATIO Outline Drawing CASE STYLE: CD542 PRICE: $2.95 ea. QTY (10-49) • excellent return loss, 20 dB typ. in dB bandwidth • excellent amplitude unbalance, 0.1 dB typ. and phase unbalance, 1 deg. typ. in 1 dB bandwidth • aqueous washable • protected under US patent 6,133,525 FREQUENCY (MHz) (Secondary/Primary) 4 INSERTION LOSS* 2-775 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 2-775 3-600 6-250 1 3 0.1 0.3 * Insertion Loss is referenced to mid-band loss, 0.8 dB typ. PCB Land Pattern Typical Performance Data FREQUENCY (MHz) Suggested Layout, Tolerance to be within ±.002 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 .112 2.84 F .055 1.40 G .100 2.54 wt grams 0.20 Demo Board MCL P/N: TB-42 AMPLITUDE UNBALANCE (dB) PHASE UNBALANCE (Deg.) 1.53 1.02 0.75 0.80 0.98 1.10 1.44 1.81 2.12 2.51 13.65 17.61 21.91 22.05 19.93 18.41 10.74 8.91 7.73 7.38 0.02 0.00 0.00 0.01 0.03 0.03 0.18 0.23 0.27 0.28 0.03 0.03 0.00 0.26 0.89 1.48 6.98 10.48 14.36 14.98 ADT4-1WT INPUT RETURN LOSS ADT4-1WT INSERTION LOSS 2.4 50 2.0 40 RETURN LOSS (dB) INSERTION LOSS (dB) Config. A INPUT R. LOSS (dB) 1.00 3.00 10.00 50.00 175.00 250.00 600.00 700.00 775.00 800.00 Outline Dimensions ( inch mm ) A .272 6.91 INSERTION LOSS (dB) 1.6 1.2 0.8 0.4 0.0 0 155 310 465 620 30 20 10 0 775 0 155 FREQUENCY (MHz) 310 465 620 Mini-Circuits ® EW ALL N minicircuits.com ISO 9001 ISO 14001 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com RF/IF MICROWAVE COMPONENTS 775 FREQUENCY (MHz) REV. B M98898 ADT4-1WT ED-6920/1 HY/TD/CP/AM 070714