biotelemetrybiotronbiphasebiphase alternating currentbiphase connectionbiphase currentbiphase suppressed carrierbipolarbipolar amplifierbipolar chopperbipolar junction transistorbipolar metal oxid semiconductor bimosbipolar transistorbiquadraticbiquadratic filterbiquinary notationbirdiebirefringencebisbismuthbismuth telluridebistablebistable circuitbistable devicebistable multivibratorbistable switching circuitbistatic radarbitbit density linear densitybit error ratebit interface unitbiubit linebit parallelbit pickbit ratebit reversalbit reversedbit serialbit slice architecturebit wise operationbitebitmapbits per secondb s bpsblackblack after whiteblack boxblack compression black saturationblack levelblack lightblack negative