E-Series RF 1:1 Transformer 890 - 960 MHz ETC1-1-4 V3.00 Features ● ● SM-22 Surface Mount 1:1 Impedance Ratio Description M/A-COM’s ETC1-1-4 is a 1:1 RF transformer in a low-cost, surface mount package. Ideally suited for high volume cellular and wireless applications. Typical applications include balanced port to single ended port matching. Schematic PRI SEC Specifications @ 25°C Frequency Range: 890 - 960 MHz Parameter Insertion Loss (fL - f U) 890 - 960 MHz Amplitude Unbalance 890 - 960 MHz Phase Unbalance 890 - 960 MHz Maximum Mean (x) Sigma (σ) 2.0 dB 0.18 dB 0.011 1.2 dB – – 10° – – Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = ±0.04 (1.00) .xx = ±0.02 (0.50) .xxx = ±0.010 (0.250) Note: Mean and sigma calculated from average loss at @ (fU - f L)/2 + fL. Pin Configuration Ordering Information Part No. ETC1-1-4 ETC1-1-4TR Packaging Tubes Tape & Reel Pin No. Function 1 Secondary 2 Not connected 3 Secondary dot 4 Primary dot 5 Primary S 0729 E 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 ETC1-1-4 E-Series RF 1:1 Transformer V3.00 Absolute Maximum Ratings Parameter Absolute Maximum Parameter RF Power DC Current Operating/Storage Temp. Absolute Maximum 250 mW 30 mA -20°C to +85°C Typical Performance Over Extended Bandwidth (30 kHz - 3 GHz) PHASE UNBALANCE vs FREQUENCY 0.0B 0.0A 360.0B 360.0A INSERTION LOSS vs FREQUENCY B1 B1 avgpb2 avgpb1 avgs31 avgs21 A1 0.0 0.0 –10.0 –10.0 A1 30.0 kHz 30.0 kHz freq freq 3.0 GHz A 3.0 GHz B INSERTION LOSS (0 to -10 dB) vs FREQ (30 kHz to 3 GHz) 30.0 kHz 30.0 kHz freq freq 3.0 GHz A 3.0 GHz B PHASE UNBALANCE (0 to 360 deg) vs FREQ (30 kHz to 3 GHz) INPUT IMPEDANCE vs FREQUENCY B 5.0A AMPLITUDE UNBALANCE vs FREQUENCY avgiprl 30.0 kHz freq 3.0 GHz A B1 Y–FS= 1.0 –5.0 avgab A1 AMP UNBALANCE (5 to -5 dB) vs FREQ (30 kHz to 3 GHz) 30.0 kHz freq 3.0 GHz B INPUT IMPEDANCE on SMITH CHART; FREQ (30 kHz to 3 GHz) 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