Matching Transformer

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Indoor antenna matching transformer 75 300 ohm TV F cable adapter US Seller
$0.99
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Indoor antenna matching transformer 75 300 ohm VHF UHF FM w FREE Coax Cable
$0.99
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2 pcs HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$8.50
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2 pcs HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$8.10
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Gemini Matching Transformer Outdoor Type CV71
$3.50
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MICROPHONE AA 1960 MATCHING TRANSFORMER SWITCHABLE 600 OHM LOW 50K OHM HIGH
$8.99
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41 UHF VHF FM Heavy Duty Outdoor Balun Matching Transformer
$7.95
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Audio2000s C3100 1 4 TS to XLR Impedance Matching Transformer Cable 8
$14.99
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Indoor Antenna Matching Transformer TV Cable Adapter New Vintage UHF VHF FM
$4.95
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Archer TV VCR Matching Transformer 75 to 300 Ohm New in Package
$6.99
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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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CHANNEL MASTER MODEL 0782 MATCHING TRANSFORMER 75 OHM CABLE TO 300 OHM TV NOS
$2.95
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VCR TV SEPARETOR U V SPLITTER BALUN 75 OHM MODEL 312 W TV MATCHING TRANSFORMER
$10.99
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Hosa MIT 129 Line Matching Transformer Female 1 4 to Male XLR
$22.71
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2 pcs HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$8.99
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matching transformer TV cable adapter
$1.20
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300 Ohm To 75 Ohm Matching Transformer Radio Shack 15 1230
$3.59
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SES LZSLHZ XF14 Low Z to Switchable Lo or Hi Z Impedance Matching Transformer
$21.95
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VCR TV Separator U V Splitter Model 312 75 OHM Input w TV matching transformer
$5.00
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Matching Transformer 2159961
$6.99
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300 TO 75 Ohms MATCHING TRANSFORMER INDOOR OUTDOOR BALUN OFF AIR ANTENNA
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Archer TV VCR Matching Transformer 75 to 300 Ohm New in Package
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NEW UHF VHF FM ANTENNA MATCHING TRANSFORMER COAX OUTDOOR BALUM WITH BOOT 75 OHM
$4.95
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NEW 300 TO 75 OHMS ANTENNA MATCHING TRANSFORMER INDOOR OUTDOOR BALUM
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AIM MATCHING TRANSFORMER 75 300 10 2000P
$4.00
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Goldseries 300 0hm to 75 0hm Matching Transformer
$2.30
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Push on TV Cable 300 75 ohm Antenna Adapter Matching Transformer
$1.99
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VCR TV Separator U V Splitter Model 312 75 OHM Input w TV matching transformer
$1.00
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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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10x 300 75OHM MATCHING TRANSFORMER BALUN hdtv hd tv screw dish antenna fm
$16.95
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8 pcs HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$16.00
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Steren 200 490 Outdoor Matching Transformer 300 75 Ohm Lot Of 20
$18.95
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Valcom VMT 1 Matching Transformer Line Inpu
$42.07
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300 Ohm TV VCR Matching Transformer from Radio Shack
$2.00
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2 pcs HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$7.00
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RCA Matching Transformer VH58R
$12.22
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Winegard TV 2900 Impedance Matching Transformer
$13.64
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TV ANTENNA LINE MATCHING TRANSFORMER ADAPTER 75 300 OHM CABLE
$9.99
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Lot of 3 CATV CM375 Matching transformer 2 Way splitter and a Coaxial coupler
$9.99
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UHF VHF FM MATCHING TRANSFORMER 75 300 Ohm BRAND NEW SEALED
$5.50
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TV Antenna Line Matching Transformer Adapter 75 300 OHM Cable
$9.99
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75 300 Ohm Matching Transformer Antenna Wire Coax Cable Adapter UHF VHF FM
$1.71
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75 300 Ohm Matching Transformer Antenna Wire Coax Cable Adapter UHF VHF FM
$2.03
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RadioShack 300 OHM TV VCR Matching Transformer 15 1253c NEW Fast Free Shipping
$6.24
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Gemini Matching Transformer Outdoor Type CV71
$4.79
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Rca VH54R lvh54n Indoor Matching Transformer
$16.18
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Push on TV Cable 300 75 ohm Antenna Adapter Matching Transformer
$3.99
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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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RCA Antenna Wall Mount Kit VH120 75 300 OHM In Outdoor Matching Transformers
$18.00
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Rca VH58R Push on Matching Transformer
$16.28
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5 New Magnavox Outdoor Matching Transformer Convert Flat Antenna Coax F M61009
$18.99
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5 New Magnavox Indoor Matching Transformer Convert Flat Antenna Coax F M61005
$15.99
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5 New Magnavox Matching F Plug Transformer Antenna Wire Coax Quick Connect 61020
$10.99
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Outdoor Matching Transformer 300 75 OhmSteren 200 490 Lot Of 5
$7.95
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Lot of 24 T 7020 type audio matching transformer
$199.99
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75 300 Ohm Matching Transformer Antenna Wire To Coax Push On UHF VHF FM
$1.50
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New Indoor UHF VHF Coaxial Matching Transformer 75 300
$3.95
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Push On Matching Transformer UHF VHF FM Balun 75 300
$3.95
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4x 300 75OHM MATCHING TRANSFORMER BALUN hdtv hd tv connector dish antenna fm
$12.95
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UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM NEW
$5.99
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UHF VHF FM Indoor Matching Transformer Coaxial For Your Older TV
$4.45
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NEW RadioShack Indoor Outdoor Matching Transformer Part 15 1140B
$6.80
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2 PCS 75 TO 300 Ohms Matching TRANSFORMER INDOOR OUTDOOR Antenna Balun Coaxial
$8.99
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5 Push On Matching Transformers Antenna Adapter NEW UHF VHF Coax 75 300 Ohm
$9.99
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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 75 OHM COAX TO TWIN FLAT LEAD 300 OHM NEW
$5.50
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BOGEN AVAD T72510 BOGEN LINE MATCHING TRANSFORMER
$19.66
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Radio Shack 15 1253 TV VCR Matching Transformer Brand New Lot of 5
$19.99
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Axis PET10 3000 Rse e107f Matching Transformer pet103000
$5.22
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Axis PET10 3020 Rse e101 Quick connect Matching Transformer pet103020
$5.04
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Indoor antenna matching transformer balun 75 300 ohm TV F cable adapter
$4.28
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NEW TV ANTENNA MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
$4.15
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Magnavox M61005 Matching Transformer Indoor 75 to 300 Ohm
$2.99
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Radioshack VHF Back Of Set Dipole Indoor TV Antenna w Matching Transformer
$6.99
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75 OHM OUTDOOR MATCHING TRANSFORMER W WEATHER BOOT LOW PRICE + FREE SHIPPING
$5.97
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10pk UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM Free Shipping10pk
$6.95
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75 300 OHM Matching Transformer UHF VHF FM Coax w Outdoor Boot
$4.50
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Steren 200 500 75 300 Ohm Matching Transformer FM UHF VHF 2 Wire to Coax Adapter
$1.00
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Push on antenna matching transformer balun 300 75 ohm TV F cable adapter
$4.49
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RCA VH54R Indoor Matching Transformer
$3.84
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RCA VH58R Push On Matching Transformer
$3.96
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RadioShack Matching TV VCR Transformer
$4.35
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1 pc HDTVBalun 300 TO 75 Ohms Matching TRANSFORMER OUTDOOR INDOR Antenna Coax
$4.00
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1501253 RadioShack TV VCR Matching Transformer New in Package
$3.15
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Outdoor antenna matching transformer balun 75 300 ohm TV F cable adapter
$4.99
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Steren 200 500 75 300ohms Matching Transformers
$5.99
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Steren 200 510 75 300 ohm Matching Transformers
$3.99
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CHANNEL MASTER 7982 MATCHING TRANSFORMER 75 300 OHM
$1.95
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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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