Theory of the Single Stage Amplifier Notes The theory of the single stage vacuum tube amplifier is generalized and also extended to include phenomena of interest in vacuum tube and receiver design at high frequencies. General expressions are derived for the increase in the input admittance due to feedback, for the conditions for stability, and … Read more
Wideband Code Division Multiple Access Notes (WCDMA) Definition – What does Wideband Code Division Multiple Access (WCDMA)mean? Wideband Code Division Multiple Access (WCDMA) is a third-generation (3G) standard that employs the direct-sequence code division multiple access (DS-CDMA) channel access method and the frequency-division duplexing (FDD) method to provide high-speed and high-capacity service. WCDMA is the most … Read more
Global System for Mobile Communications (GSM) Services and Architecture If your work involves (or is likely to involve) some form of wireless public communications, you are likely to encounter the GSM standards. Initially developed to support a standardized approach to digital cellular communications in Europe, the “Global System for Mobile Communications” (GSM) protocols are … Read more