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Create the page "High frequency" on this wiki!

• Common Electronic Components Overview
  ...eir capacitive reactance, or "effective resistance" to AC increases as the frequency gets lower. Long ago they used to be known as a "'''condenser'''". ...imary side. This is useful in matching the plate of a tube, which is very high impedance, typically on the order of several thousand ohms, to a speaker, w
  6 KB (925 words) - 09:28, 28 May 2007
• Multiple Speaker Public Address and Intercom System
  ...istance value too low can cause damage to the amp. A resistance value too high will result in low volume audio. ... of sound. However, they need to be limited as to prevent damage when the high powered siren is sounded.
  10 KB (1,537 words) - 16:54, 26 July 2014
• Resistor
  ...gligible, but if the resistance is low (or the voltage across the resistor high) a large current may pass making the resistor become noticeably warm. The r ... characteristics are; Temperature Coefficient, Voltage Coefficient, Noise, Frequency Response, Power and Temperature Rating, Physical Size, and Reliability.
  3 KB (343 words) - 12:49, 24 November 2010
• Drive Controller Types for the PC
  * '''Modified Frequency Modulation''' ...ating back to 1983. Maxtor company introduce drive technology for extreme high end systems. EDSI was considered a direct competitor to the later dominate
  8 KB (1,319 words) - 21:58, 1 December 2012
• Satellite Abbreviations Dictionary
  3700-4100 MHz (downlink) and 5925-6945 MHz (uplink) Frequency. Also the general name used for the big dish. Used mainly for commercial pu Delivery Frequency / Downlink Frequency
  10 KB (1,541 words) - 14:39, 12 November 2008
• Television Satellite Dish Reference
  ...up the weak ultra high frequency satellite transmissions, down-convert the frequency and place them on the coaxial cable. The Dish is made up of several compone ... the frequency range from 10.5 to 17 GHz; in satellite communications, the frequency band 13.75 to 14.50 GHz for transmission, and 10.7 to 12.75 GHz for recepti
  14 KB (2,066 words) - 12:18, 2 January 2008
• Coaxial Cable Data
  ...ielectric used between them. For ordinary coaxial cable used at reasonable frequency, the characteristic impedance depends on the dimensions of the inner and ou * telephony high speed data
  11 KB (1,452 words) - 11:34, 7 March 2008
• CCTV Video Signal Transmission Options
  Capacitance is affected by the cable length. Long runs can lead to high frequency signal loss and poor picture quality. ... to transmit the video signal. The image is converted line by line to low frequency audio tones. The receiver listens to the sound tones and converts back to
  5 KB (771 words) - 11:33, 7 March 2008
• FCC Regulations on WiFi
  (1) For frequency hopping systems in the 2400-2483.5 MHz band employing at least 75 hopping channels, and all frequency hopping
  5 KB (797 words) - 16:44, 23 August 2017
• Big Dish Satellite T.V. Dish Components
  ...from the satellite frequency. There are different LOs providing different frequency ranges. ...it to switch from one band to another, such as from high to low, or low to high. Modern satellite receivers have the 22 KHz functionality built in.
  5 KB (891 words) - 14:59, 6 May 2008
• Internally Amplified Public Address Speakers
  *High intelligibility and efficiency *Wide frequency response
  4 KB (489 words) - 19:15, 12 April 2008
• Dish Network and DirecTV
  ...gh power satellites in space. Because the satellites are Ku band and very high power, the receiving dish can be small. Because the programming is compres ...e capabilities of modern HDTV entertainment systems. To achieve true HDTV high quality the consumer should consider a satellite system that uses [[Motorol
  3 KB (404 words) - 14:38, 12 November 2008
• Intel WEAP2011EU Access Point
  ...at operates between 2.4 to 2.5 GHz (gigahertz). This technology provides a high capacity network using multiple points within large or small environments. ...11 LAN products use direct sequence technology to provide a high-capacity, high-data-rate wireless network.
  122 KB (19,583 words) - 10:30, 3 October 2014
• Netgear WGT634U Wireless Router
  This router has a plastic case and therefore no radio frequency responding to the radio on a high priority interrupt almost nothing
  2 KB (308 words) - 10:41, 3 October 2014
• Common electrical terminology
  ...ssor requires an earth ground to function properly (protect equipment from high voltages). A multiple of the fundamental electrical frequency. Harmonics are present whenever the electrical power waveforms (voltage and
  11 KB (1,803 words) - 21:20, 13 November 2008
• WLO
  Frequency Mode Location Callsign User Status <nowiki>0000 0600 1200 1800 QTC N ATL HIGH SEAS 0035 0635 1235 1835</nowiki>
  10 KB (956 words) - 15:28, 22 November 2016
• Why Sprint Sucks
  ...rd. When transferred to the wrong department, which happens with alarming frequency, a customer may end up repeating his or her name, phone number, and passwor ASININE #5: If a customer lives in an area where high speed data is not available on the Sprint network, the customer has to pay
  4 KB (602 words) - 16:10, 7 August 2009
• Epson PowerLite 77c Multimedia Projector
  ...resentations that are sure to impress with 2200 lumens, XGA resolution and high-aperture Epson 3LCD technology – all from a 6 lb projector built to go wh * High aperture Epson 3LCD technology
  4 KB (577 words) - 10:42, 3 October 2014
• NLOS Point to Point Long Distance WiFi
  This frequency range is not recommended if you are close to a High Gain Cellular Tower, or near any govt. agencies such as Fire Department, Po
  2 KB (328 words) - 06:35, 7 August 2010
• USB External Audio Adapter
  ...d. It may be necessary to connect an external USB sound device to produce high quality, studio grade sound. ...eady, the Xmod improves the sound coming out of those speakers by widening frequency response and brings back the detail lost by compression and mastering the o
  7 KB (1,079 words) - 12:41, 24 November 2010
• Radio Transmitter
  ...ce which piggybacks (or modulates) the signal information onto the carrier frequency, which is then broadcast. Sometimes a device (for example, a cell phone) co A type of radio broadcasting that uses frequency modulation (FM) to provide high-fidelity sound over broadcast radio. The broadcast band falls within the V
  6 KB (996 words) - 09:36, 22 October 2023
• Macrovision Video Copyright Protection
  ...o watermark that embeds a human undetectable waveform in the audio hearing frequency range of the media. Works with DRM compliant decoder hardware. * [[High-bandwidth Digital Content Protection (HDCP)]]
  7 KB (1,202 words) - 15:13, 15 December 2012
• EnGenius EOC1650 Outdoor Wireless AP/Bridge
  EnGenius EOC1650 802.11b/g Outdoor Wireless AP/Bridge /200mW High Power for Long Range. Frequency Band:
  4 KB (495 words) - 15:08, 18 July 2015
• Cash Businesses and Tax Evasion
  ... directly to a study of evasion in the cash business sector: it predicts a high rate of evasion in the sector and identifies the sector as a, if not the, l ...sible hypothesis, based on these findings, is that the (correctly) assumed high level of non-compliance within the cash business sector contributes to, and
  60 KB (9,648 words) - 10:19, 21 August 2019
• Telephone System
  ...er Digital Subscriber Line (DSL) connections which are in turn placed on a high-speed backbone line using multiplexing techniques. DSLAM multiplexers conn [[DSL Broadband Internet Service]] is a technology for bringing high- bandwidth information to homes and small businesses over POTS lines. DSL u
  8 KB (1,352 words) - 20:52, 6 April 2016
• North American Television Frequency Allocation
  ...of the 54 to 216 megahertz range. During analog TV broadcasting, UHF radio frequency channels ran from 14 to 69, occupying the 470 to 806 megahertz range. ...adio frequency (RF) channel number 3 is assigned to the 60 to 66 megahertz frequency range. RF channel 4 goes from 66 to 72 megahertz.
  19 KB (2,948 words) - 08:22, 12 September 2014
• Mobile Phone Network Technology Overview
  ...M and CDMA have developed their own 3G technology solutions for delivering high-speed Internet access to mobile devices. ...eloped WiMax technology before Verizon's 4G LTE was available. WiMax is a high speed alternative to 4G LTE. However, Sprint Nextel has decided to abandon
  6 KB (918 words) - 10:08, 12 July 2015
• DSL Broadband Internet Service
  DSL, Digital Subscriber Line, is a high-speed Internet service over ordinary phone lines using broadband modem tech ...y over the existing twisted-pair copper telephone lines by using different frequency ranges on the same line. A DSL modem at the customer residence sends data
  3 KB (457 words) - 13:19, 9 July 2015
• PAL Speedup
  * People sound a little bit "chipmunk" (high pitch) and the film plays faster than intended In Europe due to the oscillation of their electrical system frequency, they film movies at a different frame rate. Europe uses the PAL or SECAM v
  4 KB (699 words) - 14:18, 15 October 2023
• Ultrasonic Dog Barking Deterrent
  The use of high frequency audio at a relatively intense level to influence a dog to cease barking. ...himper, whine and run away if confronted with a sufficiently loud and high-frequency sound.
  5 KB (865 words) - 09:21, 25 June 2019
• Television and Satellite Frequency Reference
  * Digital television is not necessarily High Definition. ...digital television references them are virtual and have no actual national frequency assignment numbering standard, they are simply within the FCC allocated UHF
  2 KB (340 words) - 08:27, 12 September 2014
• Channel Master CM3418 8-Port Distribution Amplifier
  ... the signal range is VHF and UHF television without regards to Standard or High Definition. ...lification for signals in the return path frequency range (5 42 MHz). This frequency range is used in cable telecommunications networks to allow cable modems an
  2 KB (350 words) - 17:05, 3 October 2014
• Radio Frequencies, Bands, and Channels
  Radio frequency transmissions are divided up into contiguous bands for ...f light in a wire, the number of times the polarity changes in one second (frequency) determines how long the wire has to be in order to be resonant.
  10 KB (1,282 words) - 16:58, 23 August 2017
• FRS/GMRS
  ...vice uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band. Unlicensed. FRS is narrow band FM (NFM). {{:GMRS and FRS Frequency Table}}
  10 KB (1,434 words) - 11:32, 28 April 2024
• Radio Bandwidth Frequency Offset
  *Frequency Division Multiple Access (FDMA) FDMA is the conventional communication method that is widely used for frequency band of under 1GHz.
  7 KB (1,008 words) - 14:28, 4 June 2015
• Whole House FM Transmitter 3.0
  * Frequency Range: 88.0 ~ 108.0 in 0.1 MHz steps * Frequency Response: 20Hz ~ 15KHz
  4 KB (652 words) - 13:18, 20 November 2023
• MURS
  * Frequency: 2 meter Channel Frequency Bandwidth Channel Name
  3 KB (499 words) - 11:35, 28 April 2024
• Baofeng BF-F8HP
  The Pofung / Baofeng BF-F8HP is a newer high power version of the [[Baofeng UV-5R]]. Many of the operations of the UV-5 This is a high output little HT with extended VHF and UHF coverage. Many newly licensed h
  7 KB (1,223 words) - 15:57, 8 January 2017
• GMRS
  * Frequency: 1 meter (UHF) === GMRS Frequency and Channel List ===
  7 KB (1,105 words) - 11:13, 28 April 2024
• Realistic PRO-41 Scanner
  ...nner Pro-41 is a police and emergency scanning radio that receives UHF/VHF high and low frequencies on 10 channels and is fully programmable. The scanner a ...pt limited due to being slightly off frequency. You can enter the rounded frequency and the agile tuner will receive due to the transmission spectrum spread.
  80 KB (8,000 words) - 23:19, 20 July 2015
• 10 Meter Ham Radio Band
  ...29.700 MHz. These frequencies are contained in the Amateur Radio 10 meter frequency band and the FCC requires that the radio operator obtain a license. The FC ...requency long distance propagation on 20 meters and above. In years with high sunspot numbers, worldwide contacts can be made easily on 20 through 10 met
  2 KB (388 words) - 01:58, 24 November 2016
• Alinco DJ-V5
  ...walkie talkie 2-way with 5 watts of output power, 200 memories store band, frequency, offset, CTCSS, transmit level, tuning step, DSQ and alphanumeric channel n • Automatic high temperature protection feature<BR>
  5 KB (689 words) - 07:02, 31 March 2016
• Choke Balun
  ...l inductance and distributed capacitance resonate as a parallel trap whose high impedance inhibits unwanted shield current. ...ch mix has different impedence properties which should be used at specific frequency ranges. An example is #43 ferrite mix, however, the mix number is not an i
  6 KB (1,054 words) - 19:39, 24 November 2016
• Uniden President HR2510
  ... all mode 10 meter radio. It has AM, FM, LSB, USB and CW modes. 6 digit frequency display and built in SWR meter. An unlocked HR-2510 can have coverage from ...2510 and TS5010 transmit up to about 30 watts. The HR2510 included a full frequency compliment in the processor making it easy to open up for use on Citizen Ba
  7 KB (1,278 words) - 23:29, 22 November 2016
• International Shortwave Broadcast Band
  ... very low frequency (VLF) (3–30 kHz) bands. Sometimes part of the medium frequency (MF) band (300–3000 kHz) is included. ...d (520-1710 kHz) like the longwave signals used by those interested in low-frequency experimental radio (LowFER) communications as well as ITU Region 1 broadcas
  20 KB (3,091 words) - 13:34, 29 September 2015
• Southwest Iowa Amateur Radio Club
  Frequency: operates on 146.82 with an input on 146.22 (-0.6 MHz) no CTCSS / PL tone r Frequency: operates on 442.225 with an input on 442.725 (+5.0 MHz) CTCSS 136.5 Hz
  8 KB (1,334 words) - 13:06, 3 March 2019
• Litz wire
  ... Litz wire is used to make inductors and transformers, especially for high frequency applications. Litz wire has much greater mechanical flexibility than a sin
  233 B (36 words) - 23:12, 28 July 2015
• TYT TH-9800
  *High/low output power levels *Reverse frequency selection
  17 KB (2,899 words) - 12:02, 24 July 2020
• Memorex MK1800 FRS Base Station
  ...om 2-way radio that operates on the popular [[FRS]] (Family Radio Service) frequency range. The unit can serve to communicate with other intercom stations runn FREQUENCY:
  9 KB (1,500 words) - 11:34, 28 April 2024
• 450 Ohm Ladder Line
  ...h SWR, the excess loss is rarely noticeable. So balanced line, even with a high SWR, can outperform coax which is perfectly matched. Because balanced transmission line has relatively low loss even at high SWR, the match at the feed point is not critical for HF operation. The imp
  5 KB (909 words) - 20:28, 10 November 2015