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..., but it may also involve filtering a faint signal from [[noise]], as in [[radio astronomy]], or reconstructing a hidden signal, as in [[steganography]]. ...

[[File:Clockwork Radio.JPG|thumb|A modern [[clockwork radio]] with crank in winding position]] A '''batteryless radio''' is a [[radio receiver]] which does not require the use of a [[battery (electricity)|batt ...

| name = Radio-frequency engineering | official_names = Radio-frequency engineer ...

...3 |website=Electrical Engineering Stack Exchange |language=en}}</ref> In [[radio frequency]] (RF) practice this is often measured in a dimensionless ratio k ...ransmitter|transmitting]] device rather than continuing to the [[receiver (radio)|receiver]], much like an [[Echo (phenomenon)|echo]]. This effect is compou ...

...or MRI rooms''' is necessary to prevent [[Noise (electronics)|noise]] of [[radio frequency]] from entering into the [[MRI scanner]] and distorting the image ...

===Radio=== ;Left of the dial: Refers to the location on an analog radio band selector where most independent or college stations were (and are) loc ...

...tor.jpg|thumb|A pair of [[Heathkit]]-brand vibrators manufactured by James Electronics, with [[Tube socket|octal base]]s. The one on the right has been stripped o ...anical vibrator from the Grass Instrument Co. Used as part of a [[chopper (electronics)|chopper]] amplifier in polygraph input amplifier.]] ...

{{about|radio-frequency (RF) or microwave active circulators|other uses|Circulator (disam ...is an active non-reciprocal three-port device that couples a microwave or radio-frequency signal only to an adjacent [[Port (circuit theory)|port]] in the ...

...wires. A lead wire is a metal wire connected from the electric pole of an electronics part or an electronic component. The lead wire is a coated copper wire, a t ...urposes, including: transfer of power; testing of an electrical [[Circuit (electronics)|circuit]] to see if it is working, using a test light or a [[multimeter]]; ...

...measure the separate [[electrical resistance|resistive]] and [[reactance (electronics)|reactive]] components of reactive parallel Z network. ...-known RX meter was the RX250-A, developed in the early 1950s by [[Boonton Radio Corporation]] (BRC). After acquiring BRC, [[Hewlett-Packard]] continued to ...

...|Energy|Engineering|Film|Geography|Mathematics|Medicine|Nuclear technology|Radio|Renewable energy|Science|Spaceflight|Telecom|Telephones|Television|Trains|T * [[Wikipedia:WikiProject Electronics|Electronics]] ...

...tte (radio)|Superette]] [[Superheterodyne receiver|superheterodyne]] table radio]] ...(product)|models]] and [[brand]]s of [[Transmitter|radio transmitters]], [[radio receiver|receivers]] and [[transceiver]]s, both actively manufactured and d ...

...re nulls arise are in the polar patterns of [[microphone]]s and [[antenna (radio)|antennae]], and nulls caused by [[Reflection (physics)|reflections]] of [[ {{Main|Null (radio)}} ...

...'''Y-factor''' method is a widely used technique for measuring the [[Gain (electronics)|gain]] and [[noise temperature]] of an [[Electronic amplifier|amplifier]]. [[Category:Radio technology]] ...

{{For|the interconnect in printed circuit boards|via (electronics)}} ...wn as RF-feedthrough, specifically designed to carry very high frequency [[Radio frequency|RF]] or [[microwave]] electrical signals. ...

|RF-IV (Radio frequency current-voltage)<ref name="Keysight"></ref> [[Category:Radio electronics]] ...

In electronics, '''noise temperature''' is one way of expressing the level of available no ...m is typically made up of an [[Antenna (radio)|antenna]] and a [[Receiver (radio)|receiver]], and the transmission line(s) that connect the two together. E ...

...receiver]], or translate an electrical signal from a [[transmitter]] into radio waves. Another example are [[voice coil]]s, which are used in [[loudspeake ...aneous bidirectional functionality. The most ubiquitous example are likely radio [[transceiver]]s (in aircraft called transponders), used in virtually every ...

*[[Noise (electronics)|Noise]] and [[electromagnetic interference]] — Unwanted and usually random ...chive-date=2003-02-07 |url-status=dead }}</ref> &mdash; Very low frequency radio wave generated by lightning. ...

== Electronics and communications == ...duced for the harmful impact from high frequency,{{flagIOCteam|CAN}} CB-02 Radio Equipment<ref>[http://www.metlabs.com/services/global-testing-solutions/can ...