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 directional couplers 20 db description the 1a1306-20 is a low profile 20db dire ctional 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** frequency mean coupling insertion loss vswr freq. sensitivity ghz db db max max:1 db max 2.2 ? 2.6 21.0 1.0 0.30 1.40 0.20 1.8 - 2.7 21.0 1.0 0.30 1.40 0.30 directivity power handling jc operating temp. db min watts oc / watt oc 17 60 20.8 -55 to +85 features: ? 1.8 - 2.7 ghz ? low loss ? high directivity ? surface mountable ? tape and reel ? convenient package ? 100% tested 16 60 20.8 -55 to +85 **specification based on performance of unit proper ly installed on microstrip printed circuit boards with 50 ? nominal impedance. specifications subject to change without notice. outline drawing 1 a 1 3 0 6 - 2 0 r e v a m e c h a n i c a l o u t l i n e d i m e n s i o n s a r e i n i n c h e s [ m i l l i m e t e r s ] b o t t o m v i e w ( f a r - s i d e ) s i d e v i e w t o p v i e w ( n e a r - s i d e ) .073 .007 [1.85 0.18 ] .560 .010 [14.22 0.25 ] .350 .010 [8.89 0.25 ] .050 .008 [1.27 0.20 ] .050 .008 [1.27 0.20 ] pin 4 pin 4 pin 3 pin 1 pin 2 denotes array number gnd gnd pin 2 pin 1 pin 3 .024 .004 typ [0.61 0.10 ] p a r t i s s y m m e t r i c a b o u t a l l a x i s
usa/canada: toll free: europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 available on tape and reel for pick and place manufacturing. model 1a1306-20 rev. a typical performance: 1.6 ghz. to 2.8 ghz. pin configuration mounting footprint to ensure proper electrical and thermal performance there must be a ground plane with 100% solder connection underneath the part .063 sq typ [1.60] 50 transmission line dimensions are in inches [millimeters] 1a1306-20 rev a mounting footprint .250 [6.35] .460 [11.68] part is symmetric about all axis .034 typ [0.86] multiple plated thru holes to ground coupling 1a1306-20 -23 -22 -21 -20 -19 1600 1750 1900 2050 2200 2350 2500 2650 2800 frequency (mhz) coupling (db) directivity 1a1306-20 -50 -40 -30 -20 -10 1600 1750 1900 2050 2200 2350 2500 2650 2800 frequency (mhz) directivity (db) return loss 1a1306-20 -50 -40 -30 -20 -10 0 1600 1750 1900 2050 2200 2350 2500 2650 2800 frequency (mhz) r eturn loss (db) transmission loss 1a1306-20 -0.4 -0.3 -0.2 -0.1 0 1600 1750 1900 2050 2200 2350 2500 2650 2800 frequency (mhz) transm ission loss (db)
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