▁and ▁Win field ▁Hill , ▁is ▁a ▁popular ▁reference ▁text book ▁dealing ▁with ▁analog ▁and ▁digital ▁electron ics . ▁The ▁first ▁edition ▁was ▁published ▁in ▁ 1 9 8 0 , ▁and ▁the ▁ 1 9 8 9 ▁second ▁edition ▁has ▁been ▁regularly ▁repr int ed . ▁ ▁The ▁third ▁edition ▁was ▁published ▁on ▁April ▁ 9 th , ▁ 2 0 1 5 . ▁The ▁author ▁is ▁accepting ▁reports ▁of ▁err ata ▁and ▁publishing ▁them , ▁to ▁be ▁corrected ▁in ▁future ▁revis ions . ▁ ▁Over view ▁The ▁book ▁covers ▁many ▁areas ▁of ▁circuit ▁design , ▁from ▁basic ▁DC ▁voltage , ▁current , ▁and ▁resistance , ▁to ▁active ▁filters ▁and ▁oscill ators , ▁to ▁digital ▁electron ics , ▁including ▁micro process ors ▁and ▁digital ▁bus ▁inter f acing . ▁It ▁also ▁includes ▁discuss ions ▁of ▁such ▁often - neg lect ed ▁areas ▁as ▁high - fre quency , ▁high - speed ▁design ▁techniques ▁and ▁low - power ▁applications . ▁ ▁The ▁book ▁includes ▁many ▁example ▁circ uits . ▁In ▁addition ▁to ▁having ▁examples ▁of ▁good ▁circ uits , ▁it ▁also ▁has ▁examples ▁of ▁bad ▁ideas , ▁with ▁discuss ions ▁of ▁what ▁makes ▁the ▁good ▁designs ▁good ▁and ▁the ▁bad ▁ones ▁bad . ▁It ▁can ▁be ▁described ▁as ▁a ▁cross ▁between ▁a ▁text book ▁and ▁reference ▁manual , ▁though ▁without ▁the ▁chapter - end ▁questions ▁and ▁exer cis es ▁which ▁are ▁often ▁found ▁in ▁text books . ▁ ▁There ▁is ▁also ▁a ▁complement ary ▁text , ▁Learning ▁the ▁Art ▁of ▁Electron ics ▁(