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FMA3011 Datasheet(PDF) 8 Page - Filtronic Compound Semiconductors |
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FMA3011 Datasheet(HTML) 8 Page - Filtronic Compound Semiconductors |
8 / 9 page Specifications subject to change without notice Filtronic Compound Semiconductors Ltd Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: sales@filcs.com Website: www.filtronic.com 8 Datasheet v4.0 FMA3011 EFFECT OF BONDWIRES AND BOND COMPENSATION: A pair of bondwires in the ‘V’ formation shown in the figure above, should if kept reasonably short, yield a combined inter-connect inductance of below 0.25nH. The FMA3011 has excellent return losses (blue triangles) and these are modified by the addition of a 0.25nH bondwire inductance (pink squares) as shown in the figures below. -0.2 -0 .4 -0 .6 - 0 . 8 -0.1 -0. 3 -0 .5 -0 . 7 Swp Max 16GHz Swp Min 12GHz S(1,1) matched S(1,1) with bonds S(1,1) RFOW 12 13 14 15 16 Frequency (GHz) -40 -35 -30 -25 -20 -15 -10 -5 0 DB(|S(1,1)|) matched DB(|S(1,1)|) with bonds DB(|S(1,1)|) RFOW Once bonded the return losses are still at a reasonable level. They can be improved with a simple compensation network. The figures also show the effect of this bondwire compensation network (brown diamonds). The network is shown at the end of this section. -0.2 -0 .4 -0 .6 - 0 . 8 -0.1 -0. 3 -0 .5 -0 . 7 Swp Max 16GHz Swp Min 12GHz S(2,2) matched S(2,2) with bonds S(2,2) RFOW 12 13 14 15 16 Frequency (GHz) -40 -35 -30 -25 -20 -15 -10 -5 0 DB(|S(2,2)|) matched DB(|S(2,2)|) with bonds DB(|S(2,2)|) RFOW Dimensions in mm. Material is 10 thou 4350 Er=3.38 |
Similar Part No. - FMA3011_1 |
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Similar Description - FMA3011_1 |
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