This paper describes new solid state video and sound i-f amplifiers for a color television receiver. The amplification stages employ all semiconductor integrated circuits. The exacting requirements of selectivity in the i-f amplifier are fulfilled by new frequency selective components, "Piezonator", and with the hybrid filter: the "Piezonate-Filter". The Piezonator is a piezoelectric resonator constructed with a thin ceramic chip hermetically sealed in a glass package. The new model of signal processing sections shows a great improvement in assembly and alignment procedure.
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Sasaki et al. (1971) studied this question.
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