Electronics Engineering

An editor can express a bias by choosing to use or not to use a specific new item. Within a given story, some details can be ignored, and others included, to give readers or viewers a different opinion about the events reported. If, during a speech, a few people boo, the reaction can be described as, "remarks greeted by jeers" or they can be ignored as "a handful of dissidents."

Bias through omission is difficult to detect. Only by comparing news reports from a wide variety of outlets can the form of bias be observed.

Manufacturing of IC is known as Fabrication of IC....

it is fabricated from silica(sand)... Inside an IC u can see a small silicon sheet where the actual circuits are imprinted by a process... from that small sheet wires are drawn and fabricated into a IC......

In GSM mainly using Panel type antennas but in the case of Microwave Antenna using Horn antennas. Microwave anteenas propogate signal straghtly. So line of sight (LOS) is main issue in the case of Microwave antenna, it means that both antennas must be allign in face to face. Microwave antennas are using for link between BTS but GSM antennas are directly link with customers. Antenna Gain also very much difference both cases.

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If we use the simple application of Ohm's law where voltage (E) equals current (I) times resistance (R), or E = I x R, all we need to do is plug in values. If E = I x R and I = 8 amps and R = 15 ohms, E = 8 x 15 = 120 volts.

Collector current and emitter current are related by Ic = α Ie with α ≈ 1, so increase in emitter current with temperature is opposed, and operating point is kept stable.

Similarly, if the transistor is replaced by another, there may be a change in IC (corresponding to change in β-value, for example). By similar process as above, the change is negated and operating point kept stable

Clipping occurs in the voltage waveform when the input voltage, multiplied by the voltage gain of the op-amp circuit, exceeds the op-amp supply voltage as limited by the output network. The supply voltage and output network, limits the maximum voltage that can be achieved at the output. The op-amp behaves normally within its range of maximum voltage output, and then it is clipped when it reaches the maximum voltage of the circuit.

receiver gain control

what is the difference between balance n product modulator

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Blacksmiths use them as a hard sculpting tool for soft and extremely hot metals. Their shape is so that they can bend them easier.

HFE is the gain of the transistor

Block digram of fsk is the representation of fsk modulation

Transducer is a device which convert physical signal into electrical signal ( current/voltage/resistance). for linear measurement we can use LVDT (Linear Variable Displacement Transducer/ Linear Variable Differential Transformer). and for rotary measurement we can use RVDT (Rotary Variable Differential Transformer)

Seminar report on grating light valve technology?

The clock time of analog to digital converters depends on the design of the converter, which depends on the performance expectations for the system.

The Class A common emitter BJT design has input on the base and output on the collector. This design is inverting, or 180 degrees phase shift.

Please refer link below: http://upload.wikimedia.org/wikipedia/commons/7/77/Standby_UPS_Diagram.png

A Thevenin's equivalent circuit is a single voltage source in series with a single resistor. It is electrically the same as any combination of voltage sources, current sources, and resistors that, as a black box, has two terminals. The technique is useful in simplifying circuits, when analyzing them.

presentation of analog digital hybrid modulation

The trimmer resistor is a calibration device used to correct (trim) the resistance of some other resistor. An example might be the feedback loop of an op-amp in common mode. If you wanted a gain of two, you might use a resistor divider with a two to one ratio. Resistors have tolerance, however, so the stated value will not be exact. You place a trimmer resistor in series with one of the other resistors, picking the value so that, if the two other resitors were exact, the trimmer is set to midpoint, and that the trimmer's range covers the expected tolerance of the other resistors. Then you calibrate the circuit to the expected gain using the trimmer.

No not all electodes have a flux, in some cases such as certain M.I.G welding the electrode resemble bare wire because it has no flux?

Trimmer capacitors are used to calibrate (trim) the capacitance in a circuit. They are connected in parallel with some other capacitor, and the circuit is calibrated by observation of response to known stimuli. Since trimmer capacitors are often used in RF circuits, it is generally not possible to make measurement of the capacitors out of circuit because parasitic capacitance at RF is not negligible.

Additional question received on April 6th: "I have a 3 terminal trim cap; 2 terminals read continuity, the other not. My question is how do I connect this in a circuit?"

In all probability, the two terminals that read continuity are the same terminal, and are simply provided to give three point mechanical stability when soldered into a circuit. You would connect the two terminals that do not have continuity, using either of the terminals that do have continuity, across the capacitor that needed to be "trimmed".

fly back inverter is such kind of DC-AC inverters which use the flyback transformer for the low dc-high dc stage of the inveter

shortly it's DC to AC inverter with flyback transformer inside .