direct-gain receiver

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• Direct-conversion receiver — A direct conversion receiver (DCR), also known as homodyne, synchrodyne, or zero IF receiver, is a radio receiver design that demodulates the incoming radio signal using synchronous detection driven by a local oscillator whose frequency is… …   Wikipedia

• Receiver (radio) — This article is about a radio receiver, for other uses see Radio (disambiguation). A radio receiver is an electronic circuit that receives its input from an antenna, uses electronic filters to separate a wanted radio signal from all other signals …   Wikipedia

• Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• gain — i. The amplification obtained in a radio circuit or a component of the circuit. It is measured as a direct ratio or logarithmically. In radar, there are two general usages of the term: (a) antenna gain, or a gain factor, is the ratio of the power …   Aviation dictionary

• Radio receiver design — is a complex topic which can be broken down into a series of smaller topics. A radio communication system requires two tuned circuits each at the transmitter and receiver, all four tuned to the same frequency. [Cheney, M., Uth, R., Glenn, J.… …   Wikipedia

• Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… …   Wikipedia

• Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …   Wikipedia

• Software-defined radio — A Software Defined Radio (SDR) system is a radio communication system where components that have typically been implemented in hardware (i.e. mixers, filters, amplifiers, modulators/demodulators, detectors. etc.) are instead implemented using… …   Wikipedia

• XM Satellite Radio — Infobox Company company name = XM Satellite Radio Holdings, Inc. company company type = Subsidiary of Sirius XM Radio company slogan = Beyond AM. Beyond FM. XM. foundation = 1988 (as American Mobile Radio Corporation) location = Washington, D.C …   Wikipedia

• Subharmonic mixer — Whereas in a fundamental frequency mixer the output frequency (f {out}) contains the sum and difference of the fundamental tones of the two input signals (f {out}=f {1} f {2} or f {out}=f {1}+f {2}), in a subharmonic mixer the output signal is… …   Wikipedia

• Antenna (radio) — Whip antenna on car …   Wikipedia