When a carrier signal is amplitude modulated by a sinusoidal signal, the antenna current of the transmitter is increased by 20% from that of an unmodulated case. The (Correct up to three decima modulation index of the AM signal is equal to_ places)

Q: Q1: Calculate the drift current density in silicon sample. If T=300 K, N=10²'/m², Na=1020/m'V,…

A:

Q: Given a pnp BJT where Ip, = 1 mA, /e = 0.01 mA, Ic. = 0.98 mA, and Ica = 0d µA, calcul lg, lc. la

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A: Note: All the given options are incorrect  Please follow my solution..  Here Veffective = Vrms = 120…

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A: here we have to convert the units from one to other.

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Q: If lg = 100 μA and B = 125, What is Ic? (the BJT is connected and not saturated). Be sure to include…

A:

Q: Compute the holes density in the valance band of Silicon at 67.85 \deg C.

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A: Step 1: peak-to-peak values   Step 2: peak values Step 3: time domain

Q: Find Potential charge on cach Capacitor: 1ME 10MT 10MF Trcx 1.5V

A: First we will find equivalent capacitance seen by source.

Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.