TBA 120T

Until the present time it has not been possible to build an FM receiver that requires absolutely no alignment . Despite the availability of pre-aligned front ends and the use of ceramic i.f. filters there has always been so adjustment to make. In i.f. strips with a quadrature demodulator for example, the quadrature coil must be adjusted. The introduction of ceramic phase shifters by Murata has eliminated even this adjustment. These elements were first developed for use in TV sound circuits where the elimination of production line adjustments saves a large amount of money. A 10.7 MHz version has now been introduced for use in FM radios and tuners, and Siemens have introduced a new version of the TBA 120 for use with these devices. This is designated the TBA 120T.