Audio/video modulator is an economical commercial quality TV modulator. It provides 55dBmV RF output on any specified CATV channel from 2 to 135 (54 to 860MHz). HRC and IRC frequency plans are also available. It is ideal for placing A/V program sources such as satellite receivers, VCR’s, DVD’s, cameras or TV demodulators onto standard 6MHz NTSC TV channels for broadband distribution. It features IF saw filtering with built-in FCC group delay pre-distortion assuring excellent adjacent channel performance and color operation. Modulator complies with FCC 21006 with +/-5kHz visual carrier stability and required frequency offsets on all aeronautical channels. For BTSC stereo applications, field-defeatable audio preemphasis network is provided making compatible with any outboard stereo generator that provides composite baseband output. -30dB output test point and all user controls are provided on front panel.