BBC Engineering

BBC Engineering

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Figures 3 and 4 show the amplitude/frequency response of a channel 21-34 filter on different scales: figure 3 indicates the stop-band attenuation ... tuned transmission lines, selects the individual channel from the input signal: its construction can be seen in figure 8. ... Both mixers, a path loss equaliser, manual and automatic gain control facilities, and provision for output power monitoring are housed in it.

Title:BBC Engineering
Author:BBC Engineering
Publisher: - 1975


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