Model 1A1306-20 Rev. A Directional Couplers 20 dB Description The 1A1306-20 is a low profile 20dB directional coupler in an easy to use surface mount package for PCS, ISM and wireless LAN applications. The 1A1306-20 is ideal for frequency detection and VSWR monitoring and can be used in most high power designs. They have been subjected to rigorous qualification testing and units are 100% tested. Parts 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: * * * * * * * 1.8 - 2.7 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 2.2 - 2.6 1.8 - 2.7 21.0 1.0 21.0 1.0 Power Handling 0.30 0.30 Directivity JC 1.40 1.40 Operating Temp. dB Min Watts C / Watt C 17 16 60 60 20.8 20.8 -55 to +85 -55 to +85 0.20 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 Pin 1 .560.010 [14.220.25] Bottom View (Far-side) Side View Top View (Near-side) .073.007 [1.850.18] Pin 2 .024.004 TYP [0.610.10] Pin 2 Pin 1 .350.010 [8.890.25] GND Pin 4 Denotes Array Number Dimensions are in Inches [Millimeters] 1A1306-20 Rev A Mechanical Outline .050.008 [1.270.20] GND Pin 3 Pin 3 .050.008 [1.270.20] 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 1A1306-20 Rev. A Typical Performance: 1.6 GHz. to 2.8 GHz. Return Loss 1A1306-20 Coupling 1A1306-20 0 -19 -10 R eturn Loss (dB) C oupling (dB) -20 -21 -22 -23 1600 -20 -30 -40 1750 1900 2050 2200 2350 2500 2650 -50 1600 2800 1750 1900 2050 Frequency (MHz) 2350 2500 2650 2800 2500 2650 2800 Transmission Loss 1A1306-20 0 -20 -0.1 Transm ission Loss (dB) D irectivity (dB) Directivity 1A1306-20 -10 -30 -40 -50 1600 2200 Frequency (MHz) -0.2 -0.3 -0.4 1750 1900 2050 2200 2350 2500 2650 2800 1600 1750 1900 2050 Frequency (MHz) 2200 2350 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 .460 [11.68] .250 [6.35] .034 TYP [0.86] .063 SQ TYP [1.60] Dimensions are in Inches [Millimeters] 1A1306-20 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