Why LC oscillators are preferred over RC oscillators to generate high frequencies? Why 2-stage amplifier is required in Wien bridge oscillator in contrast to a single stage amplifier in the phase shift oscillator?
LC oscillators are preferred over RC oscillators for generating high frequencies primarily due to their superior frequency stability and low energy loss at high frequencies. In an LC oscillator, the frequency of oscillation is determined by the inductance (L) and capacitance (C) in the tank ____ ________ _________ ______ ______ _________ _____ ______ _________.
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Design and draw a circuit using an op-amp to get at output for input less than
and
at output for input greater than
.
raw the circuit of a Colpitts oscillator. Calculate its frequency of oscillation if value of both the capacitors is and inductor is
.
Obtain the Q- point of a bipolar junction transistor in CE configuration with and
.
कॉल्पिट दोलित्र का परिपथ चित्र खींचें। इस दोलित्र के दोनो संधास्त्रों के मान 5 nF और प्रेरक का मान 5 mH हो तो इसके दोलन की आवृत्ति परिकलित करें।
Design an astable multivibrator using IC 555 to generate the square wave of 20 kHz frequency.
Design a 2-channel op-amp based circuit to give following output relation:
उच्च आवृत्तियां जनित करने के लिए RC दोलित्रों की तुलना में LC दोलित्रों को वरीयता क्यों दी जाती है ? कला विस्थापन दोलित्र में प्रयुक्त एकल पद प्रवर्धक के स्थान पर वियन-सेतु दोलित्र में द्वि-पद प्रवर्धक का प्रयोग आवश्यक क्यों होता है ?