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Shortwave Radio Fix

A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna?

A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 2.4 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ranging in frequency from 3.8 MHz to 9.1 MHz, find the (a) minimum and (b) maximum inductance of the tank circuit.

1/2 pi fc = 2 pi fL L=1/pi^2/c/f^2 f=3.8x10^6 f=9.1x10^6 pi=3.14 --- Dont shock yourself -- Put a light bulb in series with the antenna __ a straight filiament bulb works better at vhf frequencies -- grounded grid is necesary above 11 Mhz. Grounded base is used above 11 Mhz

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