Find the time interval for which the transistor in the figure on next page will be active X=24 and Y = 10 X volts Vee X+Y ohms For Ves Remember the time period is 2 seconds and the Vp=50v Hint: use v(t) = Vosin (2rt/T+p)

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Antenna Array

An antenna array is a group of antennas joined together and arranged in a regular pattern to form a single antenna capable of producing radiation patterns that individual antennas cannot. As the antennas are constructed as an array, sufficient spacing and phase must be given.