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Q. Explain Crystal Oscillator
The frequency of a crystal-controlled oscillator is held constant to a high degree of accuracy by the use of a quartz crystal. The frequency depends almost entirely on the dimensions of the crystal (essentially its thickness); other circuit values have comparatively negligible effect. However, the power obtainable is limited by the heat the crystal will stand without fracturing. The amount of heating is dependent upon the r.f. crystal current which, in turn, is a function of the amount of feedback required to provide proper excitation. Crystal heating short of the danger point results in frequency drift to an extent depending upon the way the crystal is cut. Excitation should always be adjusted to the minimum necessary for proper operation.
Octal to binary Conversion Conversion form octal to binary is the reverse of this process. Express each octal digit in three bit binary equivalent. Ex. Convert 3576
Memory map of tpa in a personal computer and explain such of the areas in brief
Speed Control of DC Shunt Motor V dc the output of rectifying circuit which is applied to the motor field as shown in figure for armature voltage V dc is controlled by
Please suggest recent application of DCS WHICH I CAN USE AS A TOPIC OF MY Ph.D.
consider a single stage ce amplifier with rs=1kohm,r1=50ohm,r2=2kohm,rc=1kohm,rl=1.2kohm,hfe=50,hie=1.1kohm,hoe=25microamp/volt and hre=2.5*10-4
Q. A beam containing two types of charged particles is moving from A to B. Particles of type I with charge +3q, and those of type II with charge -2q (where -q is the charge of an e
For the circuit of Fig 1a: (i) Using Ohm's Law , determine the equivalent resistance across the battery (ii) determine the current through each resistor (iii) the arrang
Measurements made on the self-biased n-channel JFET shown in Figure are V GS =-1 V, I D = 4 mA; V GS =-0.5V, I D = 6.25 mA; and V DD = 15 V. (a) Determine V P and I DSS .
Technical Loss in Electrical Systems Technical loss is inherent in electrical systems, as all electrical devices have a few resistances and the flow of currents causes a power
CMP Compare Instruction This instruction is used to compare the contents of register or memory with accumulator the contents of the operand remain unaffected. There are tw
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