1. Assertion (A): The condition of minimum distortion in a transmission line is L = RC/G.Reason (R): Line loading means addition of inductance to satisfy the condition L = RC/G.
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By: guest on 02 Jun 2017 01.04 am
Oscillator circuits using vacuum tubes (triodes, pentodes) have the following limitations at very high frequencies (microwave region). The stray capacitances and inductances become important and affect the operation of the circuit. At low frequencies the transit time between cathode and anode is a small fraction of period of oscillation. However, at microwave frequencies this transit time becomes comparable to time period of oscillations.