Surface Mount JT-1975+ JT-1975 RF Transformer 50Ω 0.04 to 80 MHz Maximum Ratings Features Operating Temperature Storage Temperature RF Power -20°C to 85°C -55°C to 100°C 0.25W • excellent return loss, 20 dB typ. in 1 dB bandwidth • excellent amplitude unbalance, 0.05 dB typ. and phase unbalance, 1.0 deg. typ. in 1 dB badwidth CASE STYLE: BH292 PRICE: $2.49 ea. QTY (10-49) Pin Connections PORT PRIMARY DOT PRIMARY SECONDARY DOT SECONDARY SECONDARY CT NOT USED nh 1 3 6 4 5 2 + RoHS compliant in accordance with EU Directive (2002/95/ EC) See our web site for RoHS Compliance methodologies Applications • impedance matching • balanced amplifiers and qualifications. Transformer Electrical Specifications Ω RATIO Outline Drawing FREQUENCY (MHz) 2.5 INSERTION LOSS* 0.04-80 3 dB MHz 2 dB MHz 1 dB MHz 0.04-80 0.05-60 0.1-30 PHASE UNBALANCE (Deg.) Typ. 1 dB AMPLITUDE UNBALANCE (dB) Typ. 2 dB bandwidth bandwidth 1 2 1 dB 2 dB bandwidth bandwidth .05 0.2 * Insertion Loss is referenced to mid-band loss, 0.2 dB typ. Typical Performance Data FREQUENCY (MHz) INSERTION LOSS (dB) 0.03 0.05 0.07 0.10 1.00 10.00 16.75 20.00 60.00 80.00 0.33 0.22 0.19 0.18 0.16 0.22 0.29 0.33 1.07 1.65 Outline Dimensions ( inch mm ) A .280 7.11 B .310 7.87 C --- D .100 2.54 H .047 1.19 J .065 1.65 K .065 1.65 L .300 7.62 E .225 5.72 F .055 1.40 G .100 2.54 wt grams 0.45 INPUT R. LOSS (dB) AMPLITUDE UNBALANCE (dB) PHASE UNBALANCE (Deg.) 0.01 0.01 0.01 0.01 0.01 0.00 0.01 0.01 0.14 0.26 0.13 0.09 0.06 0.05 0.08 0.42 0.66 0.78 2.45 3.54 14.60 18.75 21.58 24.55 34.88 23.43 19.49 18.11 9.71 7.72 JT-1975 INSERTION LOSS INSERTION LOSS (dB) 2.5 Config. A 2.0 1.5 1.0 0.5 0.0 0 ® Mini-Circuits 16 32 48 FREQUENCY (MHz) 64 80 INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010 Mini-Circuits ISO 9001 & ISO 14001 Certified REV. B M98898 JT-1975 EDR-1975 WZ/TD/CP 050615