1:1 RF Flux Coupled Transformer 5 – 50 MHz SM-138 Package Features • • • Surface Mount 1:1 Impedance Available on Tape & Reel Description M/A-COM’s MABACT0022 is a 1:1 RF flux coupled transformer in a low cost, surface mount package. The windings of the MABACT0022 are welded to the package substrate for improved reliability and reduced lead content. This Transformer is ideally suited for CATV and Satellite STB/Subscriber applications. Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010 Electrical Specifications @ 25°C, Z0 = 75 Ohms Frequency Range 5 - 50 MHz Test Conditions Nominal Units Min. Typ. Max. 5 - 50 MHz — dB — 0.3 0.5 Amplitude Unbalance 5 - 50 MHz — dB — 0.04 0.10 Phase Unbalance 5 - 50 MHz — ° — 0.3° 2.0° Input Return Loss 5 - 50 MHz — dB 20 25 — Insertion Loss (Above 3dB) Note: Specifications subject to change without notice. 1 1:1 Flux Coupled Transformer, 5 – 50 MHz MABACT0022 Absolute Maximum Ratings Operating Characteristics Absolute Maximum Function Pin No. 1 Watt Primary Dot (Input) 4 0.125 Watt Primary (Ground) 5 Storage Temperature -40° C to +85°C Secondary Dot (output port2) 3 Operating Temperature -40° C to +80°C Secondary (output port1) 1 Center Tap (Ground) 2 Parameter RF Power Internal Load Dissipation Schematic Typical Performance @ +25° C Input Return Loss -9.66 0 -10.16 -5 -10.66 -10 dB dB Insertion Loss (reference value –10.66dB) -11.16 -15 -11.66 -20 -12.16 -25 -30 -12.66 1 11 21 31 41 51 61 Frequency (MHz) 1 11 21 31 41 51 61 Frequency (MHz) RevA Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 2 1:1 Flux Coupled Transformer, 5 – 50 MHz MABACT0022 Phase Unbalance 1.0 -170 0.8 -172 0.6 -174 0.4 -176 0.2 -178 dB dB Amplitude Unbalance 0.0 -180 -0.2 -182 -0.4 -184 -0.6 -186 -0.8 -188 -1.0 -190 1 11 21 31 41 51 61 Frequency (MHz) 1 11 21 31 41 51 61 Frequency (MHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 3