▁Nothing ▁official ▁website ▁Wikipedia ▁Page ▁on ▁analog ▁Ch ips ▁interview ▁by ▁Trans istor ▁G ij ut su ▁magazine ▁( J apan ese ▁subt itled ) ▁ ▁Category : 2 0 1 2 ▁death s ▁Category : Anal og ▁electron ics ▁engine ers ▁Category : Comput er ▁hardware ▁engine ers ▁Category : Sw iss ▁elect rical ▁engine ers ▁Category : Pe ople ▁from ▁Zürich ▁Category : Sw iss ▁em igr ants ▁to ▁the ▁United ▁States ▁Category : Sw iss ▁science ▁writers ▁Category : 1 9 3 4 ▁birth s ▁Category : Sw iss ▁invent ors <0x0A> </s> ▁Pen ams ▁are ▁a ▁subclass ▁of ▁the ▁bro ader ▁ β - la ct am ▁family ▁of ▁ant ib iot ics ▁and ▁related ▁comp ounds . ▁Pen ams ▁contain ▁a ▁ β - la ct am ▁ring ▁f used ▁to ▁a ▁ 5 - member ed ▁ring , ▁where ▁one ▁of ▁the ▁atoms ▁in ▁the ▁ring ▁is ▁a ▁sul fur ▁and ▁the ▁ring ▁is ▁fully ▁s atur ated . ▁Pen ic ill in ▁is ▁a ▁member ▁of ▁this ▁family ▁of ▁comp ounds ▁( h ence ▁the ▁name ▁of ▁the ▁family ). ▁ ▁References ▁ ▁Category : B eta - la ct am ase ▁in hib itors <0x0A> </s> ▁Sz pit ary ▁ ▁is ▁a ▁village ▁in ▁the ▁administrative ▁district ▁of ▁G mina ▁Now e ▁Br zes ko , ▁within ▁Pro sz ow ice ▁County , ▁L esser ▁Poland ▁Vo iv odes hip , ▁in ▁southern ▁Poland . ▁It ▁lies ▁approximately ▁ ▁north - west ▁of ▁Now e