Short Wave Wireless Communication |
Contents
CHAPTER I | 1 |
CHAPTER II | 10 |
Experiments of Hertz and early wireless developmentsShort | 20 |
18 other sections not shown
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adjusted amplitude angle anode anode current anode voltage arrangement array attenuation beam bias capacity carrier carrier wave Chapter characteristic coil condenser condition conductor connected considered constant coupling crystal curve cycles detector dipole direction distance earth effect efficiency electric electron oscillations electrons energy feed feeder field strength FIGURE filament frequency modulation harmonic hence heterodyne high frequency horizontal hybrid coil impedance inductance input intermediate frequency ionised ionosphere layer length load long wave loss Marconi maximum measured method metres modulation obtained ohms oscillator output parallel phase polar diagram polarised Poldhu produced push-pull radiation reactance receiver reflector resistance resonant circuit self-oscillator short wave band shown in Fig side band space speech stage stationary waves stations super-heterodyne suppressor telegraph telephone terminated tion transmission transmitter triode tuning ultra short waves valve vary vector vertical voltage volts wavelength whilst wire wireless zero