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| E-Series RF 4:1 Transformer 8.0 - 750 MHz Features q q q ETK4-1T V3.00 SM-22 Surface Mount 4:1 Impedance Ratio CT on Secondary Description M/A-COM's ETK4-1T 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 PRI SEC Specifications @ 25C Frequency Range: 8.0 - 750 MHz Parameter Insertion Loss (fL - f U) 70 - 250 MHz 15 - 600 MHz 8.0 - 750 MHz Amplitude Unbalance 8.0 - 750 MHz Phase Unbalance 8.0 - 750 MHz Maximum 2.0 dB 3.0 dB 4.0 dB 1.0 dB 20 Mean (x) Sigma () 1.56 dB - - - - 0.007 - - - - Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = 0.04 (1.00) .xx = 0.02 (0.50) .xxx = 0.010 (0.250) Pin Configuration Pin No. 1 2 3 4 Function Secondary dot Secondary CT Secondary Primary Primary dot Note: Mean and sigma calculated from average loss @ (f U - f L)/2 + f L. Ordering Information Part No. ETK4-1T ETK4-1TTR Packaging Tubes Tape & Reel 5 S 0934 D Specifications Subject to Change Without Notice. M/A-COM, Inc. North America: Tel. (800) 366-2266 Fax (800) 618-8883 s 1 Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 E-Series RF 4:1 Transformer ETK4-1T V3.00 Absolute Maximum Ratings Parameter RF Power DC Current Operating/Storage Temp. Absolute Maximum 250 mW 30 mA -30C to +85C Typical Performance Over Extended Bandwidth (30 kHz - 3.0 GHz) 360.0B 360.0A avgs31 avgs21 -3.0B -3.0A INSERTION LOSS vs FREQUENCY PHASE UNBALANCE vs FREQUENCY B1 -13.0 -13.0 0.0 0.0 pb02 pb01 A1 30.0 kHz 30.0 kHz freq freq B1 3.0 GHz A 3.0 GHz B 30.0 kHz 30.0 kHz freq freq A1 3.0 GHz A 3.0 GHz B INSERTION LOSS (-3 to -13 dB) vs FREQ (30 kHz to 3 GHz) PHASE UNBALANCE (0 to 360 deg) vs FREQ (30 kHz to 3 GHz) 5.0A A1 avgab avgiprl B AMPLITUDE UNBALANCE vs FREQUENCY INPUT IMPEDANCE vs FREQUENCY B1 -5.0 30.0 kHz Y-FS= 1.0 30.0 kHz freq 3.0 GHz A AMP UNBALANCE (5 to -5 dB) vs FREQ (30 kHz to 3 GHz) 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: eurotec@corp.macom.com. Specifications Subject to Change Without Notice. 2 North America: Tel. (800) 366-2266 Fax (800) 618-8883 s M/A-COM, Inc. Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 |
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