Saankhya Labs, a fabless chip startup based here, has announced its Universal TV demodulator IC based on Software Defined Radio (SDR) architecture, and targeted at World TV and PC-TV receiver markets.

This demodulator is suitable for the quadrature phase-shift keying (QPSK) modulator previously published by the same author, "Novel Low-Cost QPSK Modulator Needs No Adjustments" (electronic design, ...

Signal modulation is one of the most basic and important concepts in the RF industry. It consists of using the variation of one or more parameters of a carrier signal to transmit information, ...

Fig 1. A conventional legacy radio receiver (a) uses the standard analog superheterodyne architecture with analog circuitry performing all functions. A more advanced superheterodyne receiver (b) uses ...