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- In a transistor Colpitts oscillator, C1 = 0.001 µF, C2 = 0.01 µF and L = 5 µH. The frequency of oscillation in
- An OP amp has a slew rate of 1V/µs. At a signal frequency of 0.1 MHz, the maximum undistorted sine wave ...
- A 4 GHz carrier is amplitude modulated by a low-pass signal of maximum cut off frequency 1 MHz
- The frequency stability of the oscillator output is maximum in _____.
- The FM radio broad cast frequency band (in MHz) is...
- Feedback factor at the frequency of oscillation of a Wien bridge oscillator is:
- The effect of phase error of local oscillator on spectral components in coherent detection of SSB Amplitude...
- When The dc converter in figure shown has a resistance load of R = 10 Ω and the input voltage is Vs 220 V the converter switch remains on, its voltage drop is Vo -2 V. The chopping frequency is fI K sW Vs If the duty cycle is 50%, determine: (a) the average output voltage V (b) the RMS output voltage Vo (c) the converter efficiency (d) the effective input resistance of the converter
- An amplifier operating over the frequency range from 18 to 20 MHz has 10 kilo ohm input resistor. What is
- Frequency stability of crystal oscillator is due to its...
- In a radio transmitter, the frequency of the crystal oscillator will be stable for a long time if the quality factor
- A 1000 V/400 V power transformer has a nominal short-circuit voltage Vsc = 40%....
- For a transistor, Ceb=20pF, Ccb=5pF, re=1kOhm. Its figure of merit (in MHz) is about ...
- The crystal oscillator frequency is very stable due to
- In a digital voltmeter, the oscillator frequency is 400 kHz, the ramp voltage falls from 8V to 0V in 20 m sec.
- A Lissajous pattern on an oscilloscope has 5 horizontal tangencies and 2 vertical tangencies. The frequency of...
- For a resonant circuit with resonant frequency of 1 MHz a, 0 = 50 and R = 400, find the value of C
- The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : -
- A series RLC circuit has a resonant frequency of 1 KHz and a quality factor Q = 100. If each of the R,L and C...
- List two types of oscillator, which generates frequency in RF range.
- The 8259 peripheral chip for 8055 microprocessor is a ...
- In satellite communication, frequency modulation is used because satellite channel has...
- A pulse compression radar transmits an encoded pulse having a frequency chirp from 990 MHz to 1010 MHz
- The bit addressable RAM of 8051 are at byte location (in Hex) ...
- Propagation medium of the signal in band (3 to 30) MHz is by ...
- In a Hartley oscillator, L1 = 0.1 mH, L2 = 10 µH and mutual inductance between coils equals 20 µH. The
- The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse
- Assertion (A) : Wein bridge oscillator is generally used as a variable audio frequency oscillator Reason (R) :
- An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the
- When a sine wave has a frequency of 100 Hz in 12 s it goes through?
- A system has 14 poles and 2 zeros in its open -loop transfer function. The slope of its highest frequency ...
- In the telephone, the dial tone has a frequency of
- Television channel allocation (in MHz) for VHF band III is...
- In CCIR PAL B Television standards, sound IF (in MHz) is at...
- In medium-scale integration (MSI), a chip contains
- Draw the labeled circuit of RC phase shift oscillator. State the formula for frequency of oscillator.
- Which of the following is a negative-resistance microwave device for oscillator applications?
- While calculating performance of medium transmission line, what assumptions are made in case of (i) Nominal 'T' Method (ii) Nominal 'TT' Method.
- In a full wave rectifier with input frequency of 50 Hz, the frequency of the output is:
- Each flip-flop in a 4-bit ripple counter introduces a maximum delay of 40 n sec. The maximum clock frequency
- Positive feedback is used in 1. Amplifier 2. Rectifier 3.Oscillator 4. Detector
- A 100 km transmission line is designed for a nominal voltage of 132 kV and consists of one
- Which instruction of 8051 microcontroller is used for reading data from code memory?
- 8051 microcontroller is capable of accessing external memory of...
- AM transmitter operating below about 5 MHz usually make use of...
- In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz:
- A microprocessor is a _______ chip integrating all the functions of a CPU of a computer.
- A Hartley Oscillator is used for generating
- In a 741 Op-Amp, there is 20 dB/decade fall-off starting at a relatively low frequency. This is due to the
- In a PCM system of telemetry, the quantization noise depends on: