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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
1934Typically, 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
1666In 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
2039An FM receiver has an IF frequency that is A 88MHz-108MHz range B 540kHz-1640kHz range C 455kHz D 10.7MHz
2 3966In 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
1824When 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
1866Amplitude modulation is basically a A Summing of two signals B Multiplication of two signals C Subtraction of two signals D Non-linear process
2503The output of an AM detector goes directly to the A IF amplifier B Mixer C Audio Amplifier D Loudspeaker
1940A 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
2353Which of the following amplifier compensates for drift? A Low gain amplifier B High gain amplifier C DC amplifier D Differential amplifier
1 3230If 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 2383Post New Electronics Communications Questions
What is meant by step-up cyclo-converters?
how IDP Qury perform by the B subs MSC for MTC call. If subscriber is in roaming in other state? plz explain briefly
Define drift current in a semiconductor.
i want aftek placement paper if any body have pls send me its urgent
How many types of resistor are there in diode?
Electronic technical analysis
Pl. Brief about DNC.
explain double side band and double side band -substrace carrier
Explain how to measure frequency without cro?
What is the main drawback of a dual slope adc?
What is transponder? Give the difference between transducer and transponder?
What are power diodes?
What are octal and hexadecimal systems?
What is a cathode ray oscilloscope (cro)?
what is BFU ? what is the working of BFU in BTS?
