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Topic: Radio receiver

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In the News (Tue 18 Jun 19)

  satellite radio receiver   (Site not responding. Last check: 2007-10-29)
Springs, it was invented by the copper, or sirius xact satellite radio receiver apparatus.
Springs, it copper, or radio receiver replay satellite sirius starmate pans.
Cast aluminum is radio receiver replay satellite sirius starmate flexible, and coating the improved.
users.domaindlx.com /vdesyatke/kw5/satellite_radio_receiver.html   (1189 words)

 Receivers & Tuners - Car Audio & Video System
Delphi SkyFi2 XM Satellite Radio Receiver and Car Kit
Sirius Sportster 4 Satellite Radio Receiver with Car Kit
Delphi Home Kit for SKYFi3 XM Satellite Radio Receiver
www.caraudiosquare.com /buy/receivers-and-tuners   (92 words)

  NOAA Weather Radio
NOAA Weather Radio All Hazards transmitters broadcast on one of seven VHF frequencies from 162.400 MHz to 162.550 MHz.
Receivers can be found at many retail outlets, including electronics, department, sporting goods, and boat and marine accessory stores and their catalogs.
Most warnings and watches broadcast over NOAA Weather Radio are county- or independent city-based (parish-based in Louisiana), although in a few areas of the country the alerts are issued for portions of counties.
www.nws.noaa.gov /nwr/nwrrcvr.htm   (927 words)

 Hand-held hair dryer having housed radio receiver - Patent 4641014
(D) a conventional portable radio receiver comprising control and sound-emission means, said radio receiver being stably seated within the said opposed indented portions of said base-sides, and the radio receiver control and sound-emission means being positioned in registry with said base portion window means.
However, some miniature radios lack such elements "E" and "F" (instead being internally provided with batteries), and such battery powered radios are deemed equivalent to "PR" for the purposes of the present invention.
It is the general objective of the present invention to incorporate a conventional prior art portable radio receiver (e.g.
www.freepatentsonline.com /4641014.html   (0 words)

  Radio-Electronics.Com :: Radio Receiver Sensitivity
The two main requirements of any radio receiver are that it should be able to separate one station from another, i.e.
These all use the fact that the limiting factor of the sensitivity of a radio receiver is not the level of amplification available, but the levels of noise that are present, whether they are generated within the radio receiver or outside it.
Normally radio receivers are designed such that the internally generated noise is much lower than any received noise, even for the quietest locations.
www.radio-electronics.com /info/receivers/sensitivity/sensitivity.php   (1223 words)

  radio. The Columbia Encyclopedia, Sixth Edition. 2001-05
A radio wave acts as a carrier of information-bearing signals; the information may be encoded directly on the wave by periodically interrupting its transmission (as in dot-and-dash telegraphy) or impressed on it by a process called modulation.
In both radio and television receivers, once the basic signals have been separated from the carrier wave they are fed to a loudspeaker or a display device (usually a cathode-ray tube), where they are converted into sound and visual images, respectively.
Radio is based on the studies of James Clerk Maxwell, who developed the mathematical theory of electromagnetic waves, and Heinrich Hertz, who devised an apparatus for generating and detecting them.
www.bartleby.com /65/ra/radio.html   (1173 words)

 Howstuffworks "How Radio Works"
Radio can be incredibly simple, and around the turn of the century this simplicity made early experimentation possible for just about anyone.
A typical baby monitor, with the receiver on the left and the transmitter on the right: The transmitter sits in the baby's room and is essentially a mini "radio station." The parents carry the receiver around the house to listen to the baby.
FM radio signals are operating in the range of 100,000,000 hertz, so 101.5 on the FM dial is a transmitter generating a sine wave at 101,500,000 cycles per second.
electronics.howstuffworks.com /radio.htm/printable   (3460 words)

 Receiver (radio) - Wikipedia, the free encyclopedia
A radio receiver is a real world example of a receiver in the information theoretic sense.
The receiver is generally the nerve centre of a sophisticated home-theatre system providing selectable inputs for a number of different audio components like turntables, compact-disc players, and tape decks and video components like video-cassette recorders, DVD players, video-game systems, and televisions.
Self-powered radios, such as clockwork radios are used in developing nations or as part of an emergency preparedness kit.
en.wikipedia.org /wiki/Radio_receiver   (462 words)

 Compare Prices and Read Reviews on Sony DRN-XM01C Satellite Radio Receiver with Car Kit at Epinions.com   (Site not responding. Last check: 2007-10-29)
XM Radio offers thirty channels which are commercial free while Sirius Satellite Radio claims to be "completely" commercial free (the latter's, 60 music channels; not claimed for their 40 channels of entertainment, news and sports).
XM Radio charges a monthly subscription fee of (nominally) ten dollars; the cost for Sirius Satellite Radio is thirteen dollars a month.
XM Radio is right for me. I've not listened to "free" broadcast radio since I bought my Sony XM Receiver and I watch far less television (it's hard to leave satellite radio when the music is so good).
www.epinions.com /content_68869590660   (0 words)

 Molecular Expressions: Electricity and Magnetism - Interactive Java Tutorials: Radio Receiver
Variable capacitors are used with inductor coils in tuning circuits of radios, television sets, and a number of other devices that must isolate electromagnetic radiation of selected frequencies.
Transmitted radio waves cause an induced current to flow in the antenna through the primary inductor coil of the transformer to ground.
This radio circuit therefore, is tuned by adjusting the capacitance of the variable capacitor to equalize the inductive and capacitive reactance for the desired resonant frequency, or in other words, to tune in the desired radio frequency.
micro.magnet.fsu.edu /electromag/java/radio   (0 words)

 Radio Receiver design basics
It is a complete electronic tutorial ranging from the very basics of radio design to the more sophisticated configurations used in short wave radio, ham radio or hobby electronics as a general purpose radio receiver.
A superhetrodyne receiver works on the principle the receiver has a local oscillator called a variable frequency oscillator or V.F.O. This is a bit like having a little transmitter located within the receiver.
radio where the received signal is in the range 540 Khz to 1650 Khz the v.f.o.
my.integritynet.com.au /purdic/am_rec.htm   (1390 words)

 Crystal radio receiver - Wikipedia, the free encyclopedia
Crystal radio was invented by a long, vague chain of discoveries in the late 1800's that culminated into the first practical kind of radio receiver in the early 1900's; and constitutes the origin of the field of electronics.
While there were a number of earlier experiments with radio broadcasts to the general public, most historians consider the Autumn of 1920 to be the beginning of radio broadcasting for entertainment purposes.
The crystal radio did not require batteries, but it did require the user to purchase a commercially made set of headphones (or telephone receivers as they were called in those days), since that accessory was not suitable for home construction.
en.wikipedia.org /wiki/Crystal_radio_receiver   (1654 words)

 N2JEU's Web Controlled Shortwave Receivers
There are many other receivers on the Internet, most of which are part of the dxtuners.com system that requires a contribution to use their receivers.
I'd like to be able to offer a new receiver and toward that goal I'll be trying to contact the remaining manufacturers in the field to see if the loan of another receiver is a possibility.
The receivers will be taken off-line whenever thunderstorms are moving thru the area in central NY where they are located.
www.ralabs.com /webradio   (1101 words)

 Radio receiver design - Wikipedia, the free encyclopedia
In the Direct conversion receiver the signals from the aerial pass through a band pass filter, and an amplifier before reaching a non-linear mixer where they are mixed with a signal from a local oscillator which is tuned to the carrier wave frequency of an AM or SSB transmitter.
Note that the radio lacks a AGC loop, and that the IF amplifier has a very high gain and is driven into clipping.
To make a good FM receiver a large number of RF amps which are driven into limiting are required to create a receiver which can take advantage of the capture effect, one of the biggest advantages of FM.
en.wikipedia.org /wiki/Radio_receiver_design   (588 words)

 Radio history in Philadelphia - the receiver side
There are two other names that are well known and several more that tried their hand at radio receiver manufacturing.
The first radio receivers to carry the RCA brand name were the Radiola models.
This table-top radio operated on batteries, had three tubes, a two-dial front panel, a top door and was housed in a low, wooden, rectangular case.
beradio.com /features/radio_radio_history_philadelphia   (772 words)

 Radio-Electronics.Com :: Radio Receiver Technology
Radio receivers are obvioulsy a very important part of radio and wireless technology.
The basic radio receiver concepts including the superhet or superheterodyne receiver and other topologies such as the direct conversion receiver are of great interest.
Within a radio receiver the filter is one of the most critical items as it provides the selectivity for the set.
www.radio-electronics.com /info/receivers/index.php   (549 words)

 HD Radio | Radio | WHYY
HD Radio technology marks the most significant advancement in radio broadcasting since the introduction of FM stereo more than 50 years ago.
To date, 2,500 U.S. radio stations, covering all major markets and reaching 90% of Americans, have committed to transforming radio by upgrading their stations.
Radios are now available for sale in stores across the country, and home models are scheduled to become available before January 2006.
www.whyy.org /91FM/hd_facts.html   (298 words)

 NOAA Weather Radio
NOAA Weather Radio All Hazards transmitters broadcast on one of seven VHF frequencies from 162.400 MHz to 162.550 MHz.
Receivers can be found at many retail outlets, including electronics, department, sporting goods, and boat and marine accessory stores and their catalogs.
Most warnings and watches broadcast over NOAA Weather Radio are county- or independent city-based (parish-based in Louisiana), although in a few areas of the country the alerts are issued for portions of counties.
www.weather.gov /nwr/nwrrcvr.htm   (927 words)

 Sirius Satellite Radio Receiver
You're no longer limited to listening in your car: The Sirius Satellite Radio Receiver is a palm-sized portable Sirius satellite tuner that plays 120 channels of satellite radio programming in 13 categories, such as music, news, sports, talk, and entertainment.
The plug-and-play Sirius Satellite Radio Receiver is specifically designed to mount in a vehicle or indoor/outdoor location.
You can program your Sirius Satellite Radio Receiver to shut down after a pre-selected period of time from 15 minutes to one hour.
www.smarthome.com /9299.html   (0 words)

 Dave's Radio Receiver Page - Dave's Radio News - Sponsor N9EWO
A few other radio related items have been thrown in too, including amateur radio equipment reviews and views that may not be directly related.
This IC has not been made in years, and for Icom to keep the receiver in production changes had to be made to this part of the circuit.
receiver has a 7 inch TFT LCD/spectrum scope, Dual DSP IC's (one for the receiver and the other for the display), 5 roofing filters, 10 VFO's, 1000+ memory channels.
www.ticon.net /~n9ewo   (1618 words)

 Radio Frequency Receiver   (Site not responding. Last check: 2007-10-29)
The Radio Frequency Receiver Unit is a self contained, radio receiver designed to connect to a standard DB9 (9-pin) serial port of an IBM compatible PC.
The Receiver Unit has 3 channels of reception (Zone A, Zone B and the Remote Control Unit) and can distinguish between different coded signals.
The lower Amber (yellow) LED flickers as a Radio Frequency signal is received.
www.bakson.com /Receiver.html   (256 words)

 RNW: Receiver Shopping List   (Site not responding. Last check: 2007-10-29)
We’re pleased to announce that the Receiver Shopping List, which for many years was a printed booklet from Radio Netherlands, then a Web feature, has been moved to its new home on the recently relaunched website of the Medium Wave Circle.
Changing editorial priorities and budget cuts meant that Radio Netherlands was unable to continue supporting this feature, and it seemed logical to hand over the material to a hobby club.
Although it is about five years since the last review was written, some of the receivers featured are still available either new or secondhand.
www.radionetherlands.nl /features/media/productreviews/rx_index.html   (114 words)

 Penguin Audio: what your ears want to hear
Harman Kardon AVR 645 7.1 Channel Home Theater Receiver with 2 HDMI Inputs
Sony ES STR-DA5300ES Home theater receiver with HDMI switching and video upconversion
Onkyo TX-NR905 THX Ultra2 home theater receiver with HDMI switching and upconversion Black
www.penguinaudio.com   (188 words)

 Delphi MyFi, SKYFi Satellite Radio
Satellite radio is an increasingly popular alternative to regular radio.
There are several types of receivers availiable, and a few of the most popular models are produced by Delphi.
The SKYFi is your standard satellite receiver unit and is commonly installed in cars, boats, and the home using different accessory kits.
www.scinet.cc /articles/delphi-satellite-radio/myfi-skyfi-devices.html   (0 words)

 Radioalice.com - Alice @ 97.3 San Francisco - HD Radio
HD Radio is the most significant advancement in radio broadcasting since the introduction of FM stereo more than 50 years ago.
Which means that as HD Radio expands, you'll be able to hear two or three times as many radio stations for FREE, just like today's analog AM and FM radio.
Even without an HD Radio receiver, you'll still be able to listen to your preferred music, news, sports and personality formatted stations.
radioalice.com /pages/99807.php   (250 words)

 Radio Receivers
But in a superhet receiver, this principle is not followed, instead, the RF amplifier, mixer and local oscillator are ganged to produce an intermediate frequency.
Selectivity is the measure of the ability of a radio receiver to select a particular frequency or particular band of frequencies and rejecting all other unwanted frequencies.
The pocket radio set should also be tuned to a frequency near to the frequency in which the ham transmission is received.
www.qsl.net /vu2msy/receiver.htm   (2227 words)

 Modern Shortwave Receiver Survey Introduction Page
is designed to provide the radio hobbyist with concise information on the value, features, specifications and performance of popular modern shortwave radios.
Receivers built in the last twenty years are solid state.
In fact, most solid state receivers work as well five or ten years after they were made as the day they came out of the factory.
www.dxing.com /rx.htm   (296 words)

 Ham Radio
Ham Radio had its start from the very beginning of radio in the mid-teens of the 1900's.
This is truly one heck of a receiver and we are proud to be the owners of this classic radio.
This was a WWII receiver designed by Collins Radio and used by the Navy.
www.radioera.com /ham_radio.htm   (1400 words)

 Radiometrix- UHF Radio Telemetry Receiver Module
The RXM-UHF radio receiver and the matching DTI approved transmitter (TXM-UHF) are self contained, PCB mounting modules capableof transferring analogue or digital data up to adistance of 200m.
By pulsing the receiver on/off the average supply current may often be reduced by a factor of 20 or more depending upon the system requirements, the data detect output is valid 5ms after application of the supply and is used to inhibit the power saving while data decoding is done.
The data slicer in the receiver module is designed to accept data with a wide range of pulse widths and mark: space ratio’s.
www.radiometrix.co.uk /products/rxm.htm   (1664 words)

 Radiosophy™ HD Digital Radio - Digital HD Radio Receiver
If you are tuned to a radio station broadcasting an HD signal, the HD Radio™ logo on the front of the receiver will be lit.
It may take a few seconds for the receiver to find and convert the broadcast signals to digital, which is normal.
Connecting the MultiStream™ HD radio to a car or boat stereo requires a 12 v power adapter as well as one of the following: RCA In jacks on the car stereo, OR a cassette player in the car stereo OR a mobile FM transmitter.
www.radiosophy.com /collaterals/faqs.htm   (1169 words)

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