Wireless Telegraphy and Telephony
Forfatter: Alfred P. Morgan
År: 1917
Forlag: The Norman W. Henley Publishing Company
Sted: New York
Udgave: Third Edition, Fully Illustrated
Sider: 33
UDK: 621.396.1 Mor
A practical Treatise on Wireless Telegraphy and Telephony, giving Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and its Present Day Applications, together with a chapter on the possibilities of its Future Development
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WIRELESS TELEGRAPHY
69
wave lengths. The condensers are capable of finer adjust-
ment than tuning coils because the change is gradual and
even and is not in jumps from one step to another as from
one turn to the next turn of the coil. If the desired point
of resonance should happen to come between two wires of
the coil and not in a position to be reached by the slider,
the variable condenser can be adjusted to reach the exact
degree of resonance and thus bring the circuit into finer ad-
justment than would otherwise be possible. The exact
way in which this is accomplished and the effect upon the
circuit will be left to the next chapter.