41. The work presented in showed that it is possible to realize multilevel amplitude modulation based on ideal diffusion. 42. Force spectroscopy was originally performed in amplitude modulation mode, but is now more commonly performed in frequency modulation. 43. When driven with an electrical signal, this produces a sinusoidal amplitude modulation of the light in the cavity. 44. It is also responsive to specific amplitude modulation frequencies and this might be responsible for detection of pitch. 45. Amplitude modulation at 400 and 1, 000 Hz is provided by a 5814A ( military 12AU7 ) oscillator.46. Some satellites transmit several BPSK streams at the same frequency in quadrature, in a form of quadrature amplitude modulation . 47. Baud measures the number of symbols, or discrete units of information expressed by phase and amplitude modulation , per second. 48. Frequency output ranges from 10 kHz to 50 MHz with amplitude modulation selectable at 400 and 1, 000 Hz. 49. This distortion is itself amplitude modulated with a 60 Hz amplitude modulation ( also some 30 Hz as well ). 50. In the case of amplitude modulation it is possible for the original audio to be recovered by the affected device.
