Model 1W1305-20 Rev. A Directional Couplers 20 dB Description The 1W1305-20 is a low profile 20dB directional coupler in an easy to use surface mount package covering the DCS and PCS bandwidths. The 1W1305-20 is ideal for power and frequency detection as well as power injection and can be used in most high power designs. Parts have been subjected to rigorous qualification testing and units are 100% tested. They are manufactured using materials with x and y thermal expansion coefficients compatible with common substrates such as FR4, G-10 and polyamide. ELECTRICAL SPECIFICATIONS** Features: * * * * * * * 1.7 - 2.2 GHz Low loss High Directivity Surface Mountable Tape And Reel Convenient Package 100% Tested Frequency Mean Coupling Insertion Loss VSWR Freq. Sensitivity GHz dB dB Max Max:1 dB Max 1.805 - 1.88 1.93 - 1.99 1.7 - 2.0 20.5 1.0 20.5 1.0 20.5 1.5 Power Handling 0.25 0.25 0.25 Directivity JC 1.18 1.18 1.20 Operating Temp. dB Min Watts C / Watt C 24 24 20 100 100 100 14.7 14.7 14.7 -55 to +85 -55 to +85 -55 to +85 0.075 0.075 0.30 **Specification based on performance of unit properly installed on microstrip printed circuit boards with 50 nominal impedance. Specifications subject to change without notice. Outline Drawing Top View (Near-side) Pin 1 .073.007 [1.850.18] .560.010 [14.220.25] GND Bottom View (Far-side) Side View Pin 2 .350.010 [8.890.25] Pin 4 Denotes Array Number Dimensions are in Inches [Millimeters] 1W1305-20 Rev A Mechanical Outline Pin 3 .037.004 TYP [0.940.10] Pin 2 Pin 1 .076.008 [1.930.20] GND Pin 3 .076.008 [1.930.20] Pin 4 Part Is Symmetric About All Axis Available on Tape and Reel For Pick and Place Manufacturing. USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 Model 1W1305-20 Rev. A Typical Performance: 1.4 GHz. to 2.3 GHz. Return Loss 1W1305-20 Coupling 1W1305-20 0 -20 -10 Return Loss (dB) Coupling (dB) -20.5 -21 -20 -30 -21.5 -40 -22 1400 1550 1700 1850 2000 2150 -50 1400 2300 1550 1700 2000 2150 2300 2150 2300 Transmission Loss 1W1305-20 0.0 -20 -0.1 Transm ission Loss (dB) Directivity (dB) Directivity 1W1305-20 -10 -30 -40 -50 1400 1850 Frequency (MHz) Frequency (MHz) -0.2 -0.3 -0.4 1550 1700 1850 2000 2150 2300 1400 1550 1700 1850 2000 Frequency (MHz) Frequency (MHz) Pin Configuration Mounting Footprint To ensure proper electrical and thermal performance there must be a ground plane with 100% solder connection underneath the part Part Is Symmetric About All Axis Multiple plated thru holes to ground .406 [10.31] .196 [4.98] .034 TYP [0.86] .078 SQ TYP [1.98] Dimensions are in Inches [Millimeters] 1W1305-20 Rev A Mounting Footprint USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 Available on Tape and Reel For Pick and Place Manufacturing. 50 Transmission Line