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yeah, I just transmit signal in short distances. The receiver and transmitter located directly opposite each other. NTSC signal has a bandwidth of approximately 6MHz so I use 15MHz triangle wave for PWM. Is it OK? I need a IC for this job with Vin=2V. I hope you will help me. Thank you very much
NTSC bandwidth is just about 6MHz, so I want to a IC satisfying. Can you tell me exactly IC's name? And can you show me why use lowpass filter? How does it work? Thank you^^
I found this circuit on the Internet. I want to make it but i don't have information about hardware. Can you tell me what devices to make this circuit? Thank you.
this is composite video signal
and the linear ramp carrier signal at a frequency of 15 MHz
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