The Practical Aerial Handbook |
Contents
CHAPTER PAGE | 7 |
PRINCIPLES OF AERIALS AND FEEDERS | 39 |
PRACTICAL AERIAL SYSTEMS | 62 |
Copyright | |
7 other sections not shown
Common terms and phrases
AERIAL BAND aerial signal amplitude anti-interference areas array attenuation balun Band III aerial bandwidth BBC1 booster amplifier capacitor carrier centre channels in Bands circuit coaxial cable coaxial feeder coil common downlead connected decibels designed diameter diplexer direction directors distance earth effect electric ferrite rod aerial filter folded dipole gain ground wave horizontal impedance inner conductor input interference interfering signals ionosphere length losses mains mast masthead amplifier matching maximum mounting noise figure noise signal ohms outer conductor output parasitic elements picture polar diagram possible programme quarter-wave radiation radio wave receiving aerial reception reflector resistor roof-space screen shared aerial systems shown in Fig signal field signal levels signal pickup signal/interference ratio signal/noise ratio sky wave slot space splitter station suppression take-off television aerial transistor transmission transmitting aerial triplexer tuned tuner u.h.f. aerial u.h.f. bands u.h.f. channels u.h.f. signals vision voltage wanted signal wavelength wire Yagi