Matching Transformer

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Leviton Push On Matching Transformer 300 to 75 Ohm C5055
$4.99
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Steren Outdoor 75 To 300 OHM Matching Transformer with Weather Boot
$8.16
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1 UHF VHF MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$3.75
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NEW FM 300 Ohm to 75 Ohm Matching Transformer with Push On Connector
$2.99
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New Indoor UHF VHF Coaxial Matching Transformer 75 300
$3.95
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Axis PET10 3020 Rse e101 Quick connect Matching Transformer pet103020
$5.13
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lot of 5 300 75OHM MATCHING TRANSFORMER hdtv hd tv connector dish antenna fm
$9.50
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TV matching transformer
$1.99
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UHF VHF FM Indoor Matching Transformer Coaxial For Your Older TV
$4.23
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AIM MATCHING TRANSFORMER 75 300 10 2000P
$4.00
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NEW FM 300 to 75 OHM MATCHING TRANSFORMER ADAPTER WITH F TYPE FM CONNECTOR
$6.49
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INDOOR MATCHING TRANSFORMER COAX TO FLAT ANTENNA CONNECTION
$4.98
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NEW Radio Shack TV VCR Matching Transformer Cable 15 1253
$6.89
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RADIOSHACK 300 TO 75 OHM IMPEDANCE MATCHING PUSH ON F TYPE BALUN TRANSFORMER NEW
$3.99
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Genuine Panasonic VSQ0015 VHF Matching Box Transformer 75 300 ohm VCR PV 1200
$10.50
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Uhf vhf matching transformer
$0.55
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NXG TECHNOLOGY NX 70VTR 70 VOLT LINE MATCHING TRANSFORMER FOR MUSIC PAGING
$11.99
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Radio Shack 15 1253 TV VCR Matching Transformer Brand New Lot of 5
$19.99
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Indoor antenna matching transformer balun 75 300 ohm TV F cable adapter
$4.99
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UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM Free Shipping
$5.50
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Radioshack VHF Back Of Set Dipole Indoor TV Antenna w Matching Transformer
$6.99
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10pk UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM Free Shipping10pk
$9.95
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10 ea NEW TV ANTENNA MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$9.00
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Indoor Matching Transformer UHF VHF FM 75 300 Ohm coax lot of 5pcs Free Ship
$6.09
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4x 300 75OHM MATCHING TRANSFORMER BALUN hdtv hd tv connector dish antenna fm
$9.95
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LOT of 10 UHF VHF FM Indoor Matching Transformer Coaxial For Your Older TV
$19.99
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LOT of 10 UHF VHF NIPPON Indoor Matching Transformer Coaxial For Your Older TV
$19.99
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75 Ohm Downlead 300 Ohm TV Input Matching Transformer Gold Series
$6.49
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ACE Matching Transformer Push On
$3.00
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ACE Matching Transformer Outdoor
$4.00
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Archer TV VCR Matching Transformer 75 to 300 Ohm New in Package
$6.99
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MATCHING TRANSFORMER VH101RV
$1.33
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Sony Matching Transformer EAC 35A New
$7.99
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AV Adapter Converter TV ANTENNA MATCHING TRANSFORMER INPUT 75 OHM OUTPUT 300 OHM
$7.00
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10 2000 UHF VHF TV FM Coaxial 75 300 ohm Matching Transformer MT74 10 2020
$3.57
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Channel Master 94444 Outdoor Balun Matching Transformer 300 ohm to 75 ohm
$6.99
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NEW VCR TV SEPARATOR U V FM SPLITTER BALUN 313 TV MATCHING TRANSFORMER
$10.00
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Magnavox M61009 Outdoor Matching Transformer with Weather Boot Twin Lead Balun
$0.99
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9x Vtg Matching Transformer Quick Connect 75 300 OHM Push On TV Indoor Parts Lot
$24.94
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USA UHF VHF TV FM Coaxial Matching Transformer 75 300
$3.89
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6 UHF VHF TV FM Coaxial Matching Transformer 75 300
$9.95
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Steren Outdoor 75 To 300 OHM Matching Transformer with Weather Boot New
$8.17
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GOLD F MATCHING TRANSFORMER NO 60 030G GROUP OF 3
$1.92
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UHF VHF FM Antenna Match Transformer Coax Video Balum with Outdoor Boot R BL04
$13.50
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NEW 500 Pieces Resell UHF VHF FM ANTENNA Matching Transformer Case Wholesale Lot
$599.99
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NEW Radio Shack TV VCR Matching Transformer Cable 15 1253
$5.49
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Antenna matching transformer 300 to 75 300 300 ohm UHF VHF FM flat lead splitter
$4.99
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Antenna matching transformer 300 300 300 300 ohm UHF VHF FM flat lead splitter
$3.99
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Antenna matching transformer 75 to 300 300 ohm UHF VHF flat lead splitter
$3.99
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Regal T75 Matching Transformer 75 to 300 ohms Balun Bag of 10
$6.00
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Winegard TV 2900 Impedance Matching Transformer
$13.64
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UHF VHF FM Gold Plated 75 300 Ohm TV Antenna Matching Transformer Coaxial Cable
$3.75
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Indoor Antenna Matching Transformer UHF VHF FM Balun 75 300 Ohm TV F Cable Adapt
$4.49
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Galaxy Audio 555 7127 100 W Speaker Matching Transformer
$56.96
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Brand New Mp33028 Matching Transformer Overall Length 12
$41.73
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RCA Push On Matching Transformer
$4.50
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XLR Female 500ohm to 1 4 Mono Male 50k ohm Matching Transformer Adapter
$13.15
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MATCHING TRANSFORMER 75 OHM TO 300 OHM CONVERT CABLE TO TWIN POST ANTENNA FOR TV
$4.97
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Channel Master Outdoor Balun Matching Transformer Galvanized Steel
$2.99
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RCA RCA Indoor Matching Transformer
$3.99
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8 pcs HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$25.00
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1 HD TV Balun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOOR Antenna Coax
$4.29
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LOT OF 8 VINTAGE PHOENIX GOLD TV UHF VHF FM MATCHING TRANSFORMER NEW OLD STOCK
$19.99
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NEW UHF VHF FM ANTENNA MATCHING TRANSFORMER COAX OUTDOOR BALUM WITH BOOT 75 OHM
$4.95
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UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM NEW
$4.99
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MATCHING TRANSFORMER INDOOR OUTDOOR BALUM 300 ohm To 75 ohm RadioShack 15 1140
$4.50
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Audio2000s C3100 1 4 TS to XLR Impedance Matching Transformer Cable 8
$14.99
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Steren 200 510 300 75 Ohm Matching Transformer for FM VHF UHF Antenna Wire
$0.99
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Steren 200 510 Quick Push On Ohm Matching Transformer Balun 75 300 Ohm Off Air
$0.99
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10 2000 UHF VHF TV FM Coaxial 75 300 ohm Matching Transformer
$1.37
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NEW TV ANTENNA MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$3.99
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3 New RadioShack Gold Series In Outdoor Matching Transformer 300 75 Ohm 15 1230
$14.99
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Hosa MIT 129 Line Matching Transformer Female 1 4 to Male XLR
$22.70
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Indoor antenna matching transformer RMS ca 210008 TV F cable adapter
$4.49
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Channel Master CM 9444 TV Antenna Balun Matching Transformer Outdoor High Grade
$2.95
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SES LZSLHZ XF14 Low Z to Switchable Lo or Hi Z Impedance Matching Transformer
$24.45
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Radio Shack TV VCR Matching Transformer 15 1253 75 ohm Coax Connector New Antena
$2.50
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UHF VHF Matching Transformer
$4.69
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10 LOT UHF VHF FM ANTENNA MATCHING TRANSFORMER COAX OUTDOOR BALUM
$19.95
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300 TO 75 Ohms MATCHING TRANSFORMER INDOOR OUTDOOR BALUN OFF AIR ANTENNA
$5.49
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NEW 300 TO 75 OHMS ANTENNA MATCHING TRANSFORMER INDOOR OUTDOOR BALUM
$4.95
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Video Matching Transformer Quick Connect 75 300 OHM Push On New
$3.75
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Lot of 10 Channel Master 94444 Outdoor Baluns Matching Transformers CM 94444
$50.00
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LOT OF 5 FM 300 to 75 OHM MATCHING TRANSFORMER ADAPTERS WITH F TYPE CONNECTOR
$15.95
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XLR Male 500 ohm to 1 4 Mono Male 50k ohm Matching Transformer Adapter
$13.99
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10x 300 75OHM MATCHING TRANSFORMER BALUN hdtv hd tv screw dish antenna fm
$16.95
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UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM ADAPTER 2 WIRE TO COAXIAL
$5.45
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Channel Master CM 94444 High Performance Outdoor Balun Matching Transformer
$19.54
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Matching Transformer

Intro to Audio Transformer

A transformer is an electrical device that allows an AC input signal to produce a related AC output signal without the input and output being physically connected together. The transformer offers several advantages in coupling signals from one circuit to another. A transformer is considered large, heavy, and expensive but it continues to be the most effective solution in many audio applications. Audio transformers improve sound quality by removing interference from audio signals. Audio transformer is generally encased in a magnetic shield which is filled with an epoxy resin that provides insulation, protects the windings, and prevents vibration of the core material. Some audio transformers do not have a center tap, while other devices have a center tap in only the primary side, only the secondary side, or in both the primary and secondary sides. Transformers can be manufactured with multiple primary or secondary windings.

The two types of audio transformers are step up/ step down transformers and unity 1.1 transformers. The basic use of step up transformer is signal level compatibility, and impedance compatibility. Use of unity1.1 transformers are DC blocking, radio frequency interference and ground lift. In step up transformer, the primary and secondary have a different number of windings, thus they have different impedances.  A unity transformer allows an audio signal to pass unmodified from the primary to the secondary while blocking DC voltage and radio frequency interference (RFI). Pros of audio transformer is to match impedances, to increase or decrease signal level by up to 25 db. While unity 1:1 transformer is used to increase signal level by more than 25 db. Audio transformer is used in audio devices like microphones, speakers, tape drives to transmit voice and sound signals. The transformers have wide frequency bandwidth, low distortion and noise suppression.

Audio transformers are recognized as wide band transformers. The services that are related to audio transformers are current sense transformers, gate drive transformers, RF transformers, signal transformers, switch mode transformers and telecom transformers. Current sense transformers are used to detect and measure current. Gate drive transformers are used in applications such as switching power supplies. RF transformers transfer energy from one circuit to another by electromagnetic induction. Signal transformers transfer information from one circuit to another by electromagnetic induction. Switch mode transformers are generally used mainly in switching power supplies and DC-DC converters. Telecom transformers are used in applications which require high bandwidths and fast switching speeds.

About the Author

Nisha is a Copywriter of electronic transformer. She written many articles in various topics.For more information visit:power transformer. contact she at currenttransformer@gmail.com.

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