The NTE855 is an integrated circuit in a 14Lead DIP type package used to generate an RF TV signal from baseband colordifference and luminance signals. This device contains a chroma subcarrier oscillator, a lead and lag network, a quasiquadrature suppressed carrier DSB chroma modulator, an RF oscillator and modulator, and an LSTTL compatible clock driver with adjustable duty cycle. The NTE855 may be used as a generalpurpose modulator with a variety of video signal generating devices such as video games, test equipment, video tape recorders, etc. Features: