4:1 Step-up Transformer Rev N ETC4-1-2 2.0 - 800 MHz Features: • Surface mount • Center tap on secondary • Available on tape & reel SM-22B 123 Description M/A Com’s ETC4-1-2 is a 4:1 flux coupled step-up transformer in a low cost, surface mount package. Ideally suited for high volume wireless applications. 5 4 Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010 Ordering Information Part Number Package ETC4-1-2TR Tape & Reel Electrical Specifications: 25°C, Impedance = 50 O Parameter Frequency (MHz) Units Minimum Typical Maximum Frequency Range 2.0-800 Insertion Loss 10 –100 dB - 0.9 1.0 Insertion Loss 5.0-600 dB - 1.6 2.0 Insertion Loss 2.0-800 dB - 2.5 3.0 Amplitute Unbalance 10-100 dB - 0.2 0.25 Amplitute Unbalance 2.0-800 dB - 0.8 1.0 Phase Unbalance 10-500 ° - 1.5 2.0 Phase Unbalance 2.0-800 ° - 4.0 10.0 1 4:1 Step-up Transformer, 2.0 — 800 MHz ETC4-1-2 Absolute Maximum Ratings Parameter Pin Configuration Maximum Function Pin # 250mW Secondary 1 30mA Secondary CT 2 Operating temperature -40°C - +85°C Secondary Dot 3 Storage temperature -40°C - +85°C Primary Dot 4 Primary 5 RF input power DC current Insertion Loss Port 1 Insertion Loss Port 2 0.0 -0.5 -1.0 -1.0 dB -0.5 -1.5 -2.0 -2.0 -2.5 -2.5 Frequency (MHz) 792 768 744 720 696 672 648 624 600 576 552 528 504 480 456 432 408 385 361 337 313 289 265 241 217 193 169 97 145 73 121 -3.0 49 792 768 744 720 696 672 648 624 600 576 552 528 504 480 456 432 408 385 361 337 313 289 265 241 217 193 169 97 145 73 121 49 25 1 -3.0 25 -1.5 1 dB 0.0 Frequency (MHz) Amplitute Unbalance Schematic 1.0 Primary 0.6 dB 0.4 0.2 0.0 Secondary 0.8 -0.2 792 768 744 720 696 672 648 624 600 576 552 528 504 480 456 432 408 385 361 337 313 289 265 241 217 193 169 145 121 97 73 49 25 1 -0.4 Frequency (MHz) Specification subject to change without notice. North America: (800) 366-2266 Asia/Pacific: +81-44-844-8296 Europe: +44 (1344) 869 595 2