生产厂家
ETC
[Fairchild]
General Description
The ML6428 is a dual Y/C 4th-order Butterworth lowpass video filter optimized for minimum overshoot and flat group delay. The device also contains a summing circuit to generate filtered composite video.
FEATUREs
• 6.7MHz Y and C filters, with CV out for NTSC or PAL
• 75Ω cable line driver for Y, C, CV, and TV modulator
• 43dB stopband attenuation at 27MHz
• 1dB flatness up to 4.8MHz
• No external frequency select components or clocks
• 12ns group delay flatness up to 10MHz
• 5% overshoot on any input edge
• AC coupled input and output (ML6428CS-1)
• AC coupled input and DC coupled output (ML6428CS-2)
• 0.4% differential gain on all channels, 0.4º differential phase on all channels
• 0.7% total harmonic distortion on all channels
• 5V ±10% operation
• DC restore with low tilt
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