GENERAL DESCRIPTION
In a typical application, the Y and C input signals from DACs are AC coupled into the filter. Both channels have DC restore circuitry to clamp the DC input levels during video sync. The Y and C channels use a separate feedback clamp. The clamp pulse is derived from the Y channel. The outputs are AC coupled. The Y, C, CV, and modulator outputs can drive 2Vp-p into a 150Ω load (1Vp-p 75Ω coax load). The Y, C, CV, and notch channels have a gain of approximately 2 (6dB) with 1Vp-p input levels. FEATURES
n 7.1MHz Y and C filters, with CV out n 14dB notch at 4.5MHz for sound trap n 42dB stopband attenuation at 27MHz on Y, C, and CV n Better than 1dB flatness to 4.5 MHz on Y, C, and CV n RF Modulator output differential group delay between 3.0MHz and 3.58MHz is typically -170ns. n No external frequency select components or clocks n 9ns group delay flatness on Y, C, and CV output n 5% overshoot on Y, C, and CV output edges n AC coupled inputs and outputs n 0.4% differential gai...
Micro Linear
