Model 11305-3S Rev. A Hybrid Couplers 3 dB, 90 Description The 11305-3S is a low profile 3dB hybrid coupler in an easy to use surface mount package covering 1.0 to 2.0 GHz. The 11305-3S is ideal for balanced amplifiers and signal distribution 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: * * * * * * * * * 1.0 - 2.0 GHz Low Loss High Isolation 90 Quadrature Surface Mountable Tape And Reel Convenient Package 100% Tested Lead Free Frequency Isolation Insertion Loss VSWR GHz dB Min dB Max Max:1 1.0 - 2.0 20 0.45 1.30 Amplitude Balance Phase Balance Power dB Max Degrees Ave. CW Watts C/Watt C 0.55 3 60 18.6 -55 to +85 **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 Operating Temp. JC .560.010 [14.220.25] Bottom View (Far-side) Side View .075.008 [1.910.20] 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] 11305-S 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 11305-3S Rev. A Typical Performance: 1.0 GHz. to 2.0 GHz. Coupling 11305-3S -2.4 -10 Coupling [dB] Return Loss [dB] -2.8 -3.2 -20 -30 -3.6 -4.0 1000 Return Loss 11305-3S 0 1250 1500 Frequency [MHz] 1750 2000 -40 1000 Isolation 11305-3S 0 -87 1250 1500 Frequency [MHz] 1750 2000 1750 2000 Phase Balance 11305-3S -88 Isolation [dB] Phase Balance [degrees] -10 -20 -30 -89 -90 -91 -92 -40 1000 1250 1500 Frequency [MHz] 1750 2000 -93 1000 1250 Pin Configuration 1500 Frequency [MHz] 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] 11305-3S 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