diff - disc
- difference amplifier
- difference detector
- difference equation
- difference frequency
- difference frequency parametric amplifier
- difference module
- difference signal
- differencing network
- different
- different lay pairs
- different phase shift keying
- differentating amplifier
- differential
- differential address
- differential amplifier
- differential bridge
- differential circuit
- differential file
- differential frequency
- differential gain
- differential measurement
- differential modal delay
- differential phase shift keying
- differential pulse code modulation
- differential pulsecode modulation
- differential winding
- differential-wound bell
- differentiating circuit
- differentiator
- difficult communication
- diffraction
- diffraction modulator
- diffuse reflection
- diffused
- diffuser
- diffusion noise
- digicom
- digit acknowledgement signal
- digit argument
- digit capacity
