An unencrypted digital channel from the cable company. Most digital TV sets have a built-in clear QAM tuner, which can decode a limited number of TV stations, such as local broadcasts, PBS and ...

The demodulator is designed to be used together with a cable tuner and an analog to digital converter (ADC). The system has an internal state machine to control the operation, which can be externally ...

See carrier and QAM. (2) A plug-in card or USB module ... also be able to use the computer's hard disk as a digital video recorder (DVR). Tuners on PCI and PCIe cards also include A/V inputs ...