Apr 7, 2008 #1 C CQCQ Member level 3 Joined Nov 26, 2006 Messages 61 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,721 What this besides a transistor? I see it in many MMIC layout ,but I dont know what that. -CQCQ
Apr 7, 2008 #2 E edaedaeda Full Member level 4 Joined Feb 27, 2002 Messages 201 Helped 24 Reputation 48 Reaction score 8 Trophy points 1,298 Location USA Activity points 1,305 probably a heatsink eda
Apr 7, 2008 #3 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 From its connection to the transistor I would guess ground contacts. However, these 'wings" are too large for ground contacts.
From its connection to the transistor I would guess ground contacts. However, these 'wings" are too large for ground contacts.
Apr 7, 2008 #4 B biff44 Advanced Member level 6 Joined Dec 24, 2004 Messages 5,051 Helped 1,376 Reputation 2,748 Reaction score 1,058 Trophy points 1,393 Location New England, USA Activity points 37,935 It is a FET, and those are the two Drain connections. Under the pads are ground connections to the backside of the chip.
It is a FET, and those are the two Drain connections. Under the pads are ground connections to the backside of the chip.
Dec 22, 2008 #5 kspalla Advanced Member level 4 Joined Aug 19, 2008 Messages 1,253 Helped 258 Reputation 516 Reaction score 94 Trophy points 1,328 Location Hyderabad, Andhra Pradesh, India Activity points 6,813 Those are drain vias.
Dec 29, 2008 #6 Aya2002 Advanced Member level 4 Joined Dec 12, 2006 Messages 1,140 Helped 184 Reputation 376 Reaction score 117 Trophy points 1,343 Location Iraq Activity points 8,006 I think Drain