Matching Transformer

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75 to 300 Ohm UHF VHF Matching Transformer FREE Shipping USA Seller
$10.50
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4x UHF VHF FM 75 300 Ohm TV Coaxial Outdoor Antenna Cable Matching Transformer
$6.45
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75 to 300 Ohm UHF VHF Matching Transformer
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UHF VHF FM Matching Transformer Gold Plated 75 300 Ohm TV Antenna Coaxial Cable
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2X Outdoor TV Antenna Matching Transformer Balun VHF UHF FM 300 75 Oh
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RadioShack Indoor Outdoor 75 OHM TO 300 OHM Matching Transformer 15 1140B
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Channel Master CM 9444 Outdoor Matching Transformer TV Antenna Balun 300 to 75
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Eagle Indoor Matching Transformer 10 Pack 75 300 ohm Twin Lead Balun TV Antenna
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Eagle Matching Transformer Indoor 75 300 Ohm Balun Antenna TV Twin Lead to Coax
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SES LZSLHZ XF14 Low Z to Switchable Lo or Hi Z Impedance Matching Transformer
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Connector Antenna Matching Transformer Balun75 300ohm IEC TV PAL Male Adapter E
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Wineguard TV 2900 UHF VHF FM Outdoor Antenna Match Transformer Coax 300 75 Ohm
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CE CNE77414 Matching Transformer 75 300 Inch Indoor 2 Pack
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NEW CE CNE77377 Matching Transformer 75 300 Inch Indoor Outdoor 4 Pack
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XLR Male 500 ohm to 1 4 Mono Male 50k ohm Matching Transformer Adapter
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Lot 3 Indoor 75 300 Ohm TV Antenna Coaxial Matching Transformer BalunNEW
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Recoton V303 75 to 300 Ohm Matching Transformer
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FM 75 To 300 OHM MATCHING TRANSFORMER ADAPTER WITH F TYPE FM CONNECTOR
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Push On TV Antenna Matching Transformer 300 75 Ohm Coax Adapter
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10 pc Indoor Type Antenna Matching Transformer UHF VHF FM Balun 75 300 Ohm TV F
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6ft Indoor FM Antenna with Push on F type 300 75 Balun Matching Transformer
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10 X MATCHING Transformers Coaxial UHF VHF FM 75 to 300 Ohm AV Adapter Antenna
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10 Pieces MATCHING Transformers Coaxial UHF VHF FM 75 to 300 Ohm TV Adapter Coax
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Philmore Outdoor TV Antenna Matching Transformer Balun VHF UHF FM 300 To 75 Ohm
$8.39
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audio2000s acc3100 1 4 ts to xlr impedance matching transformer
$22.23
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Petra RSE E107F Matching Transformer
$5.81
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300 TO 75 Ohms MATCHING TRANSFORMER INDOOR OUTDOOR BALUN OFF AIR ANTENNA
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MALE F TYPE FM ANTENNA WITH MATCHING TRANSFORMER UHF VHF SCREW ON COAX COAXIAL
$8.65
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FM SPADE ANTENNA WITH 75 300 OHM MALE F TYPE ADAPTER Matching Transformer BALUN
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RCA Matching Transformer VH54R
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RCA Matching Transformer VH54R
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Petra RSE E107F Matching Transformer
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lot of 2 RadioShack 75 Ohm to 300 Ohm TV VCR Matching Transformer free shipp
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CE CNE53333 Indoor Matching Transformer
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Philmore Outdoor TV Antenna Matching Transformer Balun VHF UHF FM 300 To 75 Ohm
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5 ea NEW TV ANTENNA MATCHING TRANSFORMER 75 300 OHM F CONNECTOR INDOOR
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Connector Antenna Matching Transformer Balun75 300ohm IEC TV PAL Male Adapter l
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Great Quality T 75 UHF VHF Matching Transformer 75 to 300 Ohms Bag of 10
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Connector Antenna Matching Transformer Balun75 300ohm IEC TV PAL Male Adapter QH
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UHF VHF FM BALUN 75 300 OHM INDOOR ANTENNA MATCHING TRANSFORMER 10 PK USA DEALER
$9.85
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Lot of 2 Radio Shack TV VCR Matching Transformer Cable 150 1253 1501253 NEW
$8.48
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Connector Antenna Matching Transformer Balun75 300ohm IEC TV PAL Male AdapterGxq
$6.71
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Petra RSE E107F Matching Transformer
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Audio2000s Acc3100 1 4 Ts to XLR Impedance Matching Transformer New
$21.22
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RCA Matching Transformer VH54R
$5.91
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Wideskall Gold Plated 75 300 Ohm Matching Transformer Cable
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Outdoor Balun Matching Transformer 300 Ohm To 75 Ohm HD UHF VHF FM TV Vide
$9.07
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three indoor antenna matching transformers uhf vhf fm balun 75 300 ohm tv f
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75 to 300 Ohm UHF VHF Matching Transformer New
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Connector Antenna Matching Transformer Balun75 300ohm IEC TV PAL Male Adapter OQ
$4.75
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30 UHF VHF FM TV COAX MATCHING TRANSFORMER 75 TO 300 OHM New
$31.50
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Three Philmore Indoor Antenna Matching Transformers UHF VHF FM Balun 75 300 O
$10.97
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XLR Female To 1 4 Male Line Matching Transformer
$9.95
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XLR Female To 1 4 Male Line Matching Transformer 6 Cord
$18.70
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3 Pk Outdoor TV Antenna Matching Transformer Balun VHF UHF FM 300 To 75 Ohm
$8.54
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Push on antenna matching transformer balun 300 75 ohm TV cable flat lead adapter
$5.87
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Philmore Outdoor TV Antenna Matching Transformer Balun VHF UHF FM 300 To 75 Ohm
$8.55
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Philmore Outdoor TV Antenna Matching Transformer Balun VHF UHF FM 300 To 75 Ohm
$9.61
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4Pc UHF VHF FM 75 300 Ohm TV Coaxial Outdoor Antenna Cable Matching Transformer
$4.99
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Radio Shack 15 1253 TV VCR Matching Transformer Brand New Lot of 5
$17.99
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RCA Matching Transformer VH54R
$5.07
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4x 300 to 75 Ohm MATCHING TRANSFORMER BALUN hdtv hd tv connector dish antenna fm
$9.95
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8x 300 75OHM MATCHING TRANSFORMER BALUN hdtv hd tv screw dish antenna fm
$16.95
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Channel Master Cm 94444 High Performance Balum Matching Transformer New
$10.59
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Outdoor Balun Matching Transformer 300 Ohm To 75 Ohm HD UHF VHF FM TV Vide
$4.98
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VHF Matching Box 75 300 Loose + 2x UHF VHF FM Matching Transformer
$11.97
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Gemini Video Matching CV70 Indoor Type Transformer New In Original Package
$4.99
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Radio Shack Antenna Mounted Matching Transformer 300 to 75 Ohm
$5.99
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Male F Type Balun with Matching Transformer 75 300 OHM UHF VHF coaxial coax TV
$5.49
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300 75 Ohms MATCHING TRANSFORMER BALUN OFFAIR ANTENNA 200 510 STEREN RIGHT ANGLE
$4.49
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2pc UHF VHF FM Matching Transformer Gold Plated 75 300 Ohm Antenna Coaxial Cable
$6.75
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3pc UHF VHF FM Matching Transformer Gold Plated 75 300 Ohm Antenna Coaxial Cable
$8.25
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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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