AERIALS AND RECEIVERS
For the purpose of this chapter we shall regard a receiver as that section of a TV or videorecorder installation concerned with the selection, tuning, filtering, amplification and demodulation of transmitted TV signals, culminating in the deliverance of the standard 1 V video waveform, and a 0 dB (0.775 V r.m.s.) baseband audio signal.
AERIALS
The first and one of the most critical links in the receiving chain is the aerial. In effect it forms the first tuned circuit of many, and its performance is crucial to the recording and display of good pictures. The basic pick-up element is the dipole, consisting in practice of a metal rod, divided at its centre by an air gap of about 20 mm for connection to the transmission ...
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