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ECE :: Analog Electronics

Analog Electronics - Section 1
Analog Electronics - Section 2
Analog Electronics - Section 3
Analog Electronics - Section 4
Analog Electronics - Section 5
Analog Electronics - Section 6
Analog Electronics - Section 7
Analog Electronics - Section 8
Analog Electronics - Section 9
Analog Electronics - section-1
Analog Electronics - Section 10
Analog Electronics - Section 11
Analog Electronics - Section 12
Analog Electronics - Section 13
Analog Electronics - Section 14
Analog Electronics - Section 15
Analog Electronics - Section 16
Analog Electronics - Section 17
Analog Electronics - Section 18
Analog Electronics - Section 19
Analog Electronics - Section 20
Analog Electronics - Section 21
Analog Electronics - section-22
Analog Electronics - Section-23

  1. In voltage amplifiers, the load resistance

    2. A.
    should be a small as possible
    B.
    should be as large as possible
    C.
    must be equal to output impedance
    D.
    must be half of output impedance

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  2. The RC network of wein bridge oscillator consists of resistors and capacitors of values R = 220 kΩ and C = 250 PF Determine the frequency of oscillation

    3. A.
    2.98 kHz
    B.
    3 kHz
    C.
    2 kHz
    D.
    10 kHz

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  3. Which of the following statement is correct?

    4. A.
    FET and junction transistor both are unipolar
    B.
    FET and junction transistor both are bipolar
    C.
    The FET is bipolar, while junction transistor are unipolar
    D.
    The FET is unipolar, while junction transistor are bipolar

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  4. In a single stage differential amplifier, the output offset voltage is basically dependent on the mismatch of

    5. A.
    VBE, IB and β
    B.
    VBE and IB
    C.
    IB and β
    D.
    VBE and β

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  5. In figure the dc load line will meet the y and x axis respectively at

    6. A.
    20 mA and 30 V
    B.
    15 mA and 20 V
    C.
    25 mA and 40 V
    D.
    10 mA and 20 V

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  6. Transformer coupling is mostly used in

    7. A.
    RF amplifier
    B.
    audio amplifier
    C.
    both audio and RF amplifier
    D.
    none of the above

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  7. Which of the following method cannot be used to increase the bandwidth for cascaded RF amplifier stages?

    8. A.
    Wave traps in each stage
    B.
    Stagger tuning
    C.
    A shunt damping resistor across each tuned circuit
    D.
    Doubled tuned transformers with tighter coupling

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  8. The current ICBO flows in

    9. A.
    base and emitter leads
    B.
    base and collector leads
    C.
    collector and emitter leads
    D.
    collector, emitter and base leads

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  9. The h parameter h11 is the same in CE and CC circuit.

    10. A.
    True
    B.
    False

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  10. A second-order band-pass active filter can be obtained by cascading a low pass second order section having cut off frequency fOH with a high pass second order section having cut-off frequency fOL provided

    11. A.
    fOH > fOL
    B.
    fOH < fOL
    C.
    fOH = fOL
    D.
    fOH ≤ 1/2fOL

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