Electronics Engineering

Self resistance is exactly what it sounds like it would be. It is the resistance that you make happen on your own.

RF means radio frequency or relativity low range of frequency

microwaves however are into the top range of the spectrum or very hi frequency.

Colector resistance in an emitter follower circuit serves to place a limit on how much current can be supplied by the transistor. Often, the resistor is sized so that a short circuit in the load does not cause the transistor to fail.

Diodes do not obey Ohm's Law, at least when viewed as an individual component. When doing circuit analysis, however, you can make the case that, for a specific situation, they do. In fact, using this technique, everything "obeys" Ohm's law.

In the simple case of a resistor, operated within its limits, Ohm's Law works just fine. Voltage is current times resistance. As voltage goes up, current goes up proportionately. You can predict the voltage or current knowing the other along with resistance.

A diode, on the other hand, is non linear. As you apply voltage across it in the forward direction, it initially has high resistance. All of a sudden it has low resistance as it begins to conduct. As you increase the current, the resistance decreases, so the voltage drop is relatively (though not exactly) constant. At a certain point, around when you exceed the maximum forward current, the diode fails.

In the reverse direction, an ordinary diode seems to have high resistance, until you reach about max reverse voltage, at which point the diode fails. In the case of a zener diode, reverse behavior is similar to forward behavior, except at a different voltage.

Even though the diode does not obey Ohm's law, you can still use Ohm's Law to analyze the circuit. You just have to remember that the dynamic resistance of the diode changes as a function of the applied voltage. The value of Ohm's Law becomes evident when you consider that, at each static condition of the circuit, you do know the voltage and current through the diode and, as a result, you can use Ohm's law to calculate its dynamic resistance. This will allow you to extend the analysis by back substitution and simplification until you know more and more about the circuit.

Glass, Ceramics, Semiconductors

slew rate is caused by current limiting and the saturation of internal stages of an op-amp when a high-frequency,large amplitude signal is applied.

A 556 IC is a dual 555 IC in one 14pin chip. With that said it composed of two timers capable of running in Astable, Bistable and Monostable modes. The 556 can be used as a function generator once the appropriate external components are connected.

One note about using the 556/555 as a function generator is that you cannot achieve a perfect 50/50% duty cycle where the time on is equal to the time off, this is due the characteristics of the internal components having a different charge/discharge rates.

A DIODE will breakdown at a certain reverse voltage if RMS VOLTAGE IS SPECIFIED THEN the actual voltage will be RMS volts times 1.41

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electron

The applied voltage is 53+28 = 81V.

yes, of course.

The basic difference between fdm and fdma is that fdm is used in wired system where as fdma is used in wireless communication.

The ability of conductor to induce voltage in itself when the current changes is called inductive reactance.

tracking radar

You mean ac coil, the secondary coil, of a transformer? Then for the purpose of rectification, that is , for changing ac into dc, a diode is connected in series with the secondary coil of the transformer.

DC forward voltage is generally related to diodes. It means the voltage across the diode when the diode is forward biased, i.e. when the anode is more positive than the cathode. The forward voltage is the drop across the diode. The amount of drop is a function of current. For typical silicon diodes, the forward voltage drop ranges from 0.6 volts for very small currents, to 1.5 or more volts for large currents.

everyone,

As far as I know the Full power bandwidth is the output bandwidth of the signal when it is made to obtain the max power from output

suppose max output voltage is +/- 10 V as prescribed in the data sheet and the slew rate is 600V/u sec , then the full power bandwidth will be

600/(2*pi*10) that is 9.548 MHz

Resistor is a current a

insulator is a not conductive and conductors can conduct.

(As defined by AT&T) GigaMAN Service is a dedicated, fiber-optic, point-to-point gigabit Ethernet service that links your local area networks (LANs) within a metropolitan or regional area. GigaMAN service uses the same transmission protocol as your LAN, allowing you to take full advantage of your enterprise LAN speeds while transmitting data between your sites.

1. The bandwidth for transmission of PAM signalis very very large compared to its maximum frequency content.

2. The Amplitude of PAM Pulses varies accordingly to modulated signal. Therefore interference of noise is maximum for the PAM signal and this noise cannot be removed very easily.

3. Since amplitude of PAM signal varies, this also varies the peak power required by the transmitter with modulating signal.

In any rectifiers circuits the purpose is to get a DC voltage by giving AC voltage as input.
by connecting capacitors parallally in the circuit it is possible to get pure DC output.capacitor filter only eliminates the ac quantities remainimg in the output waveforms.so that finally we get pure DC for further aplications in electronics circuits.

P-P voltage = RMS voltage * 2 * sqrt (2)

Here's an example: house voltage is 120VRMS, which is actually ~169 volts peak - neutral. double this will give peak to peak value.