The design and use of high performance u.h.f. transmitters, receivers and demodulators for television r.f measurement

As the number of transmitters in operation in the broadcasting network is increased, so there is an everincreasing requirement to provide more sophisticated test and monitoring equipment. To meet this need, the IBA has developed three equipments, the tunable receiver, tunable demodulator and tunable test transmitter. The requirements, equipments, design and application are discussed in this paper.