equations

-8 2 2

Radiation resistance, Ohms: Rr = 3.38 k 10 (f A)

Loss resistance, Ohms: Rl = 9.96 x

a

Efficiency: Tl = -

Rr + Rl

-8    O f.-2

Inductive, Henrys: L = 1.9x 10 3(1.353 logio -i2±_ - 6.386)

Ti d

Inductive reactance, Ohms: Xl = 2TlfL x 10

Tuning capacitor, Farads: Ct = ---—

2t1 fXLx 10

Quality factor: Q=    ^— = -—-

^x 3    x Af    2(Rr + Rl)

Bandwidth, Hertz: Af= ^{f x} ^— = (fi -f2)x 10⁶

Distributed capacity, pF: Cd = 0.82S Capacitor potential, Yolts: Vc = VPXlQ Capacitor voltage rating: 75,000 V/in

where

f = operating freąuency, MHz A= area of loop, sąuare feet S = conductor length, feet d = conductor diameter, inches P = transmitter power, Watts