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When we trim a resistor, we are A Making a fine adjustment B Reducing its value C Increasing its value D Making a coarse adjustment
1940Typically, an IA has an external resistor used for A Establishing the output impedance B Setting the voltage gain C Setting the current gain D Interfacing with an instrument
1669In the OTA, the transconductance is controlled by A The ac supply voltage B A bias current C The input signal voltage D The manufacturing process
2044An FM receiver has an IF frequency that is A 88MHz-108MHz range B 540kHz-1640kHz range C 455kHz D 10.7MHz
2 3972In order to handle all combinations of input voltage polarities, a multiplier must have A Four-quadrant capability B Three- quadrant capability C Four inputs D Dual-supply voltages
1826When the two inputs of a multiplier are connected together, the device operates as a A Voltage doubler B Square root circuit C Squaring circuit D Averaging circuit
1869Amplitude modulation is basically a A Summing of two signals B Multiplication of two signals C Subtraction of two signals D Non-linear process
2511The output of an AM detector goes directly to the A IF amplifier B Mixer C Audio Amplifier D Loudspeaker
1942A PLL maintains lock by comparing A The phase of two signals B The frequency of two signals C The amplitude of two signals D None of these
2362Which of the following amplifier compensates for drift? A Low gain amplifier B High gain amplifier C DC amplifier D Differential amplifier
1 3238If a square wave is integrated by integrator using op-amp, the output is A Triangular wave B Ramp C Sine Wave D None of these
1 2392Post New Electronics Communications Questions
What is power electronics?
1.antenna is passive or active?? add why? 2.diff b/w tch drop & tch block?? 3 diff. b/w sdcch drop & sdcch block??
I would like to do my MS in US but i have a second class in B.tech with 56% where in i have good acedemics in 10th and inter .Is it posiible to get a US visa if i get good scores in GRE and toefl.I have work experience in an Internation call center for 1 year will they consider me for US visa as i have a gap of 2 yaers after my B.tech will the visa be succesful.What would be the answer if they ask me why you worked in callcenter after your B.tech and why opting for MS now when you didnt show interest in your B.tech background....
Which type of power plant is more easier to produce electrical power at economical condition?
Define virtual grounding?
hai iam venkat iam appering RRB exam chennai on 23 nov 2008. pls help me wat kind of questions i to prepare? mail {venkiremo_krv@yahoo.co.in]
Describe the working of dual converter?
why dose response of a phototransistor depent upon the wave length of the incident light?
What is the difference between edge triggered flip flop and level triggered flip flop?
what is resistive diode?
In what does the Gas Leds emit radiation?
plz provide me all previous HPCL examination papers of electronics and communication branch.
what is reconfiguration of E1
Power bjt is a current controlled device. Why?
How to test the GSM, CDMA wireless terminals?
