E-Series RF 4:1 Transformer 500 - 2500 MHz ETC1.6-4-2-3 V3.00 Features ● ● ● SM-22 Surface Mount 4:1 Impedance Ratio CT on Secondary Description M/A-COM’s ETC1.6-4-2-3 is a 4:1 RF transformer in a low-cost, surface mount package. Ideally suited for high volume cellular and wireless applications. Typical applications include single to balanced mode conversion and impedance matching. Schematic 5 1 PRI 2 4 3 SEC Specifications @ 25°C Frequency Range: 500 - 2500 MHz Parameter Insertion Loss (fL - f U) 500 - 750 MHz 750 - 1200 MHz 1200 - 2500 MHz Maximum 3.0 dB 1.0 dB 3.0 dB Mean (x) Sigma (σ) – 0.22 dB – – 0.159 – Note: Mean and sigma calculated from average loss at @ (f U - f L)/2 + f L. Ordering Information Part No. ETC1.6-4-2-3 ETC1.6-4-2-3TR Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = ±0.04 (1.00) .xx = ±0.02 (0.50) .xxx = ±0.010 (0.250) Packaging Tubes Tape & Reel Pin Configuration Pin No. Function 1 Secondary 2 Secondary CT 3 Secondary dot 4 Primary dot 5 Primary S 0206 F Specifications Subject to Change Without Notice. M/A-COM, Inc. North America: 1 Tel. (800) 366-2266 Fax (800) 618-8883 ■ Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 ■ Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 ETC1.6-4-2-3 E-Series RF 4:1 Transformer V3.00 Absolute Maximum Ratings Parameter RF Power DC Current Operating/Storage Temp. Absolute Maximum 250 mW 30 mA -30°C to +85°C Typical Performance Over Extended Bandwidth (30 kHz - 3 GHz) PHASE UNBALANCE vs FREQUENCY B1 avgpb2 avgpb1 avgs31 avgs21 360.0B 360.0A 0.0B 0.0A INSERTION LOSS vs FREQUENCY A1 0.0 0.0 –10.0 –10.0 B1 A1 30.0 kHz 30.0 kHz freq freq 3.0 GHz A 3.0 GHz B 30.0 kHz 30.0 kHz 3.0 GHz A 3.0 GHz B INPUT IMPEDANCE vs FREQUENCY B 5.0A AMPLITUDE UNBALANCE vs FREQUENCY freq freq 30.0 kHz freq 3.0 GHz A B1 Y–FS= 1.0 –5.0 avgiprl avgab A1 30.0 kHz freq 3.0 GHz B Note: All measurements performed on Hewlett Packard 8753D Network Analyzer (201 sample points, linear scale) in a 50 ohm coplanar waveguide environment. Tables created using MDS software. S-Parameter data available by E-Mail. Send your request to: [email protected]. Specifications Subject to Change Without Notice. M/A-COM, Inc. 2 North America: Tel. (800) 366-2266 Fax (800) 618-8883 ■ Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 ■ Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020