00446nam a22001697a 4500020001800000082001600018100002300034245004700057250001200104260002600116300001000142650002800152650002100180650003300201700001800234700002400252  a9781292061221  a629.895 PHI  aCharles L. philips  aDigital control system analysis and design  a4th ed.  aBostonbPearsonc2015  a528p.  aDigital control systems  aElectric filters  aIntel 8080 (microprocessors)  aH. Troy Nagle  aAranya Chakrabortty