Matching Transformer

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3 COAXIAL CABLE MATCHING TRANSFORMERS 75 OHM TO 300 OHM FLAT WIRE
$4.95
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Indoor antenna matching transformer balun 75 300 ohm TV F cable adapter
$4.10
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Push On Matching Transformer UHF VHF FM Balun 75 300 Indoor Use SP32
$4.35
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Brand New F Xlr To 1 4 Phone Plug Matching Transformer
$25.95
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Rca Outdoor Matching Transformer Vh101R
$5.00
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Steren RF matching transformer 200 500
$9.99
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Steren 200 500 75 300 Ohm Matching Transformer FM UHF V
$1.00
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Genuine Panasonic VSQ0015 VHF Matching Box Transformer 75 300 ohm VCR PV 1200
$10.50
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5 ea NEW TV ANTENNA MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$6.50
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Rca VH58R Push on Matching Transformer
$16.28
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NEW TV ANTENNA MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$4.15
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XLR Female To 1 4 Male Line Matching Transformer 240 396
$15.99
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XLR Female To 1 4 Male Line Matching Transformer 6 Cord 240 398
$16.93
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AIM MATCHING TRANSFORMER 75 300 10 2000P
$4.00
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Radioshack 15 1253C 75 Ohm to 300 Ohm TV VCR Matching Transformer NEW LOT OF 3
$20.00
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1 UHF VHF MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$2.99
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Regal T75 Matching Transformer 75 to 300 ohms
$1.50
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Leviton Nickel Indoor Matching Transformer 75 Ohm to 300Ohm C5052
$4.99
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Leviton Push On Matching Transformer 300 to 75 Ohm C5055
$4.99
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TV VCR Matching Transformer In Stock
$2.99
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Steren Outdoor 75 To 300 OHM Matching Transformer with Weather Boot
$11.45
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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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INDOOR MATCHING TRANSFORMER COAX TO FLAT ANTENNA CONNECTION
$4.98
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VCR TV SEPARETOR U V SPLITTER BALUN 75 OHM MODEL 312 W TV MATCHING TRANSFORMER
$9.99
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UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM NEW
$4.99
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Leviton C5053 Outdoor Matching Transformer Black
$12.72
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Triace Video Matching Transformer 300 to 75 Ohm Lot of 12 NEW
$10.00
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UHF VHF FM Indoor Matching Transformer Coaxial For Your Older TV
$4.23
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NEW FM 300 to 75 OHM MATCHING TRANSFORMER ADAPTER WITH F TYPE FM CONNECTOR
$6.49
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NEW Radio Shack TV VCR Matching Transformer Cable 15 1253
$6.89
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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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RadioShack 15 1230 Matching Transformer Gold Plated Indoor Outdoor NEW
$9.99
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UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM Free Shipping
$3.50
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RCA Matching Transformer VH58R
$12.22
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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
$6.95
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signal combiner matching transformer Antenna Diplexer
$5.00
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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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Antenna matching transformer 75 to 300 300 ohm UHF VHF flat lead splitter
$2.00
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4x 300 75OHM MATCHING TRANSFORMER BALUN hdtv hd tv connector dish antenna fm
$9.95
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RCA Matching Transformer VH54R
$8.14
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75 Ohm Downlead 300 Ohm TV Input Matching Transformer Gold Series
$6.49
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Valcom VMT 1 Matching Transformer Line Inpu
$39.30
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Archer TV VCR Matching Transformer 75 to 300 Ohm New in Package
$6.99
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NEW 100 Pieces Resell UHF VHF FM ANTENNA Matching Transformer Case Wholesale Lot
$234.00
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MATCHING TRANSFORMER VH101RV
$1.34
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75 to 300 Ohm UHF VHF Matching Transformer
$8.99
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CHANNEL MASTER 7982 MATCHING TRANSFORMER 75 300 OHM
$1.17
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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
$4.89
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Steren Outdoor 75 To 300 OHM Matching Transformer with Weather Boot B25
$6.30
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RADIOSHACK INDOOR OUTDOOR GOLD PLATED MATCHING TRANSFORMER P N 15 1230 150 1230
$6.39
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75 300 Ohm Indoor Matching Transformer Coaxial For Older TV Adapter UHF VHF
$2.99
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10 2000 UHF VHF TV FM Coaxial 75 300 ohm Matching Transformer MT74 10 2020
$3.70
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Winegard TV 2900 Impedance Matching Transformer
$13.64
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MATCHING TRANSFORMER INDOOR OUTDOOR BALUM 300 ohm To 75 ohm RadioShack 15 1140
$5.99
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75 to 300 Ohm UHF VHF Matching Transformer
$6.53
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Vintage Lot of 6 TV UHF VHF Matching Transformer Antenna Adapter Adaptors
$9.99
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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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Matching Transformer Line Inpu
$31.17
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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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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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Antenna matching transformer 300 to 75 300 300 ohm UHF VHF FM flat lead splitter
$3.99
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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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UHF VHF FM Gold Plated 75 300 Ohm TV Antenna Matching Transformer Coaxial Cable
$3.75
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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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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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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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NEW UHF VHF FM ANTENNA MATCHING TRANSFORMER COAX OUTDOOR BALUM WITH BOOT 75 OHM
$4.95
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Russound WCN 12 12pr Speaker impedance matching transformer audio distribution
$90.00
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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.

Matching Transformer
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