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Video Hum Eliminators:

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    • Allen Avionics HD-SDI Single Channel Hum Eliminator

      Allen Avionics HD-SDI Single Channel Hum Eliminator

      A typical High Definition Broadcast chain features potential interconnects that could result in ground loops and the introduction of induced noise. Even though SDI is more immune to extraneous noise and low frequency components (hum) problems can still exist. As with analog signals, once you have noise in the signal, it is extremely difficult and costly to remove. Jitter caused by induced noise effects can compound problems created by unstable signal sources, poor re-clocking systems, cable atte

       

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      Item #: HEC-HDSDI

      Availability: In Stock

      Our Price: $239.95

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    • LEN L3GF01 3G-SDI Ground Isolator

      LEN L3GF01 3G-SDI Ground Isolator

      Traditional "Humbucker" and Isolation Transformer approaches to interference are not applicable to SDI signals. Mains hum is well below the SDI signal frequency spectrum and (unlike analogue video) the SDI signal is not sensitive to near-DC attenuation. However, the problems of signal distortion and operator shocks caused by a voltage difference between two pieces of equipment connected by a HD-SDI signal feed still exist.

      The LEN L3GF01 3G-SDI Ground Isolator uses a broadband highpass filter to

         

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        Item #: 3GF01

        Availability: In Stock

        Our Price: $144.36

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      • LEN L3GGI01 3G HD SDI Galvanic video ground path isolator - In Line / Tubular Model

        LEN L3GGI01 3G HD SDI Galvanic video ground path isolator - In Line / Tubular Model

        The L3GGI 01 is a galvanic signal and gound path isolator for use with 3G HD, SD & SDI video signals. They are built in cylindrical "barrel" style enclosures and fitted with a BNC connector at each end and isolate both the signal and ground paths.

        • Bandwith: 0.5MHz to 3.0GHz
        • DC Breakdown voltage: 100 volts minimum
        • Input and output impedance: 75 ohms
        • Return loss: >20dB
        • Dimensions: 30 x 20 (l x diameter) mm
        • Weight: 36g

         

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        Item #: LEN-L3GGI01

        Availability: In Stock

        Our Price: $188.16

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      • Jensen VB-1RR Composite Video Isolator 1ch

        Jensen VB-1RR Composite Video Isolator 1ch

        • Similar in function to the JEN-VB1BB but utilizing RCA connectors this Single Channel Baseband Video Isolator Transformer eliminates video as well as audio hum.
        • -3dB @ 10-10MHz Bandwidth
        • CMRR 120dB @ 60Hz
        • 0.55dB Insertion Loss
        • 75. RCA connectors
        • 3.5"L x 1.75"W x 2.1"H

         

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        Item #: JEN-VB1RR

        Availability: In Stock

        Our Price: $99.99

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      • Allen Avionics HD-VIT-75 HD-SDI Video Isolation Transformer

        Allen Avionics HD-VIT-75 HD-SDI Video Isolation Transformer

        HD-VIT-75 is a Video Isolation Transformer for eliminating hum in High Definition Serial Digital Transmission Lines. This can be used for Broadcast Systems where hum is present due to ground loops or where there are large difference in ground potential. The HD-VIT-75 provides electrical isolation between the Input and Output and will also eliminate induced currents in long cable runs.

        • Supports all transmission rates of SMPTE259m and SMPTE292m up to 1.50Gbps HD-SDI Video Input
        • Equivalent to less

         

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        Item #: HD-VIT-75

        Availability: Direct Ship From Manufacturer

        Our Price: $149.95

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      • LEN LVIT02 Video Isolation Transformer - Analogue - 4kV Breakdown

        LEN LVIT02 Video Isolation Transformer - Analogue - 4kV Breakdown

        The LEN Video Isolation Transformer acts as BOTH a Hum Eliminator AND a Ground Isolator whilst also improving on the performance of the traditional individual products.

        The LVIT02 will remove severe interference caused by 50 or 60 Hz hum whilst a normal "Humbucker" will only remove moderate interference.

        At the same time it acts as a high performance Ground Isolator eliminating ground potential differences between equipment with a minimal phase and gain distortion. The LVIT02 has been developed to

             

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            Item #: LEN-VIT02

            Availability: Usually ships in 3-10 business days

            Our Price: $378.35

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          • Ocean Matrix 3G-HD-SDI and SDI 3-Channel Video Hum Eliminator

            Ocean Matrix 3G-HD-SDI and SDI 3-Channel Video Hum Eliminator

            These units are 3G and HD SDI compatible and exceed the specifications for SMPTE 259M , 344M , 292M and ITU-R BT. These units are also fully compatible for removing hum from your analog Composite signal as well.

            • Impedance: 75 Ohms
            • Isolation between channels: 100 dB
            • Bandwidth: 3 GHz
            • Return Loss: 23 dB to 1 GHz, 19 dB to 3 GHz
            • Hum Rejection: 13 V hum

             

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            Item #: VHE-300-3G

            Availability: In Stock

            Our Price: $309.95

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          • Jensen VB-1BB IsoMax Composite Video Isolator

            Jensen VB-1BB IsoMax Composite Video Isolator

            Single Channel Baseband Video Isolator Transformer eliminates video as well as audio hum.

            • -3dB at 10-10MHz Bandwidth
            • CMRR 120dB at 60Hz
            • 0.55dB Insertion Loss
            • 75 Ohm BNC connectors
            • 3.5"L x 1.75"W x 2.1"H

             

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            Item #: JEN-VB1BB

            Availability: In Stock

            Our Price: $99.99

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          • Jensen VRD-1FF IsoMax Digital RF Isolator

            Jensen VRD-1FF IsoMax Digital RF Isolator

            The IsoMax VRD-1FF is a high performance capacitive based isolator that has been meticulously designed to break the ground loop that causes hum and buzz in audio and 60 cycle hum bars in video.

            Housed in a compact cylinder and designed for use with RG59 or RG6 type cable, this second generation VRD-1FF employs a unique RF engineered solution that delivers a ruler-flat response from 2 Mhz to over 1300 MHz spanning the VHF/FM/UHF and CATV spectrum. The VRD-1FF's exceptionally linear response preven

               

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              Item #: JEN-VRD1FF

              Availability: In Stock

              Our Price: $69.99

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            • Ocean Matrix 3G-HD-SDI & SDI 1-Channel Video Hum Eliminator w/Handles

              Ocean Matrix 3G-HD-SDI & SDI 1-Channel Video Hum Eliminator w/Handles

              These units are 3G and HD SDI compatible and exceed the specifications for SMPTE 259M , 344M , 292M and ITU-R BT. These units are also fully compatible for removing hum from your analog Composite signal as well.

              • Impedance: 75 Ohms
              • Bandwidth: 3 GHz
              • Return Loss: 23 dB to 1 GHz, 19 dB to 3 GHz
              • Hum Rejection: 20 V hum

               

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              Item #: VHE-125-3G

              Availability: In Stock

              Our Price: $129.95

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            • LEN LHDF01 Single Channel Passive HD Video Ground Isolator

              LEN LHDF01 Single Channel Passive HD Video Ground Isolator

              Traditional "Humbucker" and Isolation Transformer approaches to interference are not applicable to SDI signals. Mains hum is well below the SDI signal frequency spectrum and (unlike analogue video) the SDI signal is not sensitive to near-DC attenuation. However, the problems of signal distortion and operator shocks caused by a voltage difference between two pieces of equipment connected by a HD-SDI signal feed still exist.

              The LEN LHDF01 HD Ground Isolator uses a broadband highpass filter to prov

                   

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                  Item #: LEN-HDF01

                  Availability: In Stock

                  Our Price: $106.10

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                • ADC-Commscope HUM-1 Humbucking Coil

                  ADC-Commscope HUM-1 Humbucking Coil

                  Hum on video is caused by a multitude of reasons, all of which are common throughout the world. Hum in general is induced by four distinct causes: 1) ground loop caused by difference in ground potential, 2) electrostatic coupling, 3) magnetic coupling and/or 4) faulty circuit elements causing leakage. Hums caused by ground loops can be as large as several hundred volts & can be dangerous to a TV crew preparing the site.Common mode hum caused by differences in ground potential is often found in

                   

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                  Item #: HUM-1

                  Availability: Usually ships in 3-10 business days

                  Our Price: $249.00

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                • RDL EZ-HK3 Audio/Video Hum Killer

                  RDL EZ-HK3 Audio/Video Hum Killer

                  The EZ-HK3 is a superior-quality stereo audio and composite video transformer isolation module for use with unbalanced, high impedance audio inputs and standard 75 ohm composite video. Input and output connections are provided on gold-plated RCA jacks.

                  The shield connection of each INPUT jack is electrically isolated from the case and from the output ground. The shield connection of each OUTPUT jack is connected to the case shield through a rear-panel ground-lift switch.

                  The EZ-HK3 eliminates hum

                     

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                    Item #: EZ-HK3

                    Availability: Usually ships in 3-10 business days

                    Our Price: $95.49

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                  • RDL EZ-HK2 Composite Video Hum Killer

                    RDL EZ-HK2 Composite Video Hum Killer

                    The EZ-HK2 is a superior-quality video transformer isolation module for use with standard 75 ohm composite video. Input and output connections are provided on gold-plated RCA jacks.

                    The shield connection of the INPUT jack is electrically isolated from the case and from the output ground. The shield connection of the OUTPUT jack is connected to the case shield through a rear-panel ground-lift switch.

                    The EZ-HK2 eliminates hum due to ground loops when it is installed between a video source, such as

                       

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                      Item #: EZ-HK2

                      Availability: Usually ships in 3-10 business days

                      Our Price: $90.49

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                    • Allen Avionics HEC-1000 75 Ohm Single Channel Video Hum Eliminator ABS Housing

                      Allen Avionics HEC-1000 75 Ohm Single Channel Video Hum Eliminator ABS Housing

                      APPLICATIONS:

                      Field Use:
                      Between Remote Truck, Telco & Microwave
                      For Intertruck Hookup
                      For VTR Units
                      For Monitoring Lines

                      Studio:
                      Between Buildings
                      On Long Runs in Buildings
                      Between Studios & Transmitters
                      On Incoming & Outgoing Telco Circuits

                      • Flat Response
                      • Bandwidths up to 30MHz
                      • No Low or High Frequency Roll-Off
                      • No Differential Gain or Phase Distortion
                      • Rugged, Waterproof Case
                      • BNC Connectors
                      • Passive Device - Failure Free
                      • For Color and Black & White
                      • Reversible
                      • Small, Compact Package
                      • Impedance Model HEC-1000: 75 Ohms,

                       

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                      Item #: HEC-1000

                      Availability: In Stock

                      Our Price: $139.90

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                    • Allen Avionics HEC-2000 75 Ohm Hum Eliminator

                      Allen Avionics HEC-2000 75 Ohm Hum Eliminator

                      The HEC-2000 eliminates hum and greatly reduces interferences in video lines caused by differences in ground potential. Features flat response, bandwidth up to 30 MHz, four color or monochrome, no low frequency or high frequency roll off, passive device, failure free, use on 50 Hz or 60 Hz systems. Applications in field: between remote truck and Telco, between remote truck and microwave, for VTR units. In Studio: between buildings, installations with long cable runs, between studio and transmitt

                           

                          3 Models Available

                          Item #: HEC-2000

                          Availability: Usually ships in 3-10 business days

                          Our Price: $134.00

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                        • Allen Avionics 50 Ohm Single  Channel Video Hum Eliminator

                          Allen Avionics 50 Ohm Single Channel Video Hum Eliminator

                          APPLICATIONS:

                          Field Use:
                          Between Remote Truck, Telco & Microwave
                          For Intertruck Hookup
                          For VTR Units
                          For Monitoring Lines

                          Studio:
                          Between Buildings
                          On Long Runs in Buildings
                          Between Studios & Transmitters
                          On Incoming & Outgoing Telco Circuits

                          • Flat Response
                          • Bandwidths up to 30MHz
                          • No Low or High Frequency Roll-Off
                          • No Differential Gain or Phase Distortion
                          • Rugged, Waterproof Case
                          • BNC Connectors
                          • Passive Device - Failure Free
                          • For Color and Black & White
                          • Reversible
                          • Small, Compact Package
                          • Impedance Model HEC-500: 50 Ohms, U

                           

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                          Item #: HEC-500

                          Availability: In Stock

                          Our Price: $149.49

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                        • Allen Avionics 5 Channel 75 Ohm Hum Eliminator

                          Allen Avionics 5 Channel 75 Ohm Hum Eliminator

                          The HEC-5000 now joins other multi-channel hum eliminators manufactured by Allen Avionics. Like the HEC-3000, which provides 3 channels of hum reduction, and the HEC-4000 that provides 3 channels of hum reduction plus 1 channel of transformer isolation, the HEC-5000 hum eliminator stops all 50 Hz or 60 Hz hum. The HEC-5000 is designed to eliminate hum in video applications caused by long cable runs or ground loops.

                          This newest addition has a bandwidth of over 100 MHz per channel, making it suita

                             

                            3 Channels Available

                            Item #: HEC-5000

                            Availability: Usually ships in 3-10 business days

                            Our Price: $589.95

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                          • Jensen VBH-1BB IsoMax Composite Video Isolator

                            Jensen VBH-1BB IsoMax Composite Video Isolator

                            Single Channel Baseband Video Isolator Transformer eliminates video as well as audio hum.

                            • -3dB at 10-10MHz Bandwidth
                            • CMRR 120dB at 60Hz
                            • 0.55dB Insertion Loss
                            • 75 Ohm BNC connectors
                            • 3.5"L x 1.75"W x 2.1"H

                             

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                            Item #: JEN-VBH1-BB

                            Availability: Direct Ship From Manufacturer

                            Our Price: $189.99

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                          • Jensen VBH-1RR Composite Video Humbucker - DC to 600MHz - RCA/RCA

                            Jensen VBH-1RR Composite Video Humbucker - DC to 600MHz - RCA/RCA

                            The ISO-MAX® VBH-1RR reduces ground current induced video interference such as "hum bars" by a factor of over 100, eliminating the visible effects of these types of interference. The high bandwidth and low VSWR prevent degradation of the picture quality due to high frequency roll-off and cable reflections.

                            • 56dB of CMRR typ at 60Hz minimizes ground loops
                            • DC to 600MHz bandwidth for excellent picture quality
                            • Greater than 1 Vrms 60Hz common-mode level handling
                            • VSWR under 1.1 at 100MHz to prevent wavefor

                             

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                            Item #: JEN-VBH1RR

                            Availability: Direct Ship From Manufacturer

                            Our Price: $189.99

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                          • Jensen VBH-3RR Component Video Isolator RCA

                            Jensen VBH-3RR Component Video Isolator RCA

                            • Provides 56dB Reduction in Ground Loops
                            • DC to 600MHz (VBH-3RR) or 900MHz Bandwidth (VBH-5BB)
                            • Low VSWR Prevents Signal Degradation
                            • Channels may be used independently

                             

                            2 Types Available

                            Item #: JEN-VBH3RR

                            Availability: Direct Ship From Manufacturer

                            Our Price: $499.99

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                          • Jensen VBH-5BB Component Video & VGA Hum Eliminator Ground Loop Isolator

                            Jensen VBH-5BB Component Video & VGA Hum Eliminator Ground Loop Isolator

                            The ISO-MAX VBH-5BB reduces ground current induced video interference such as "hum bars" by a factor of over 100, eliminating the visible effects of these types of interference. The high bandwidth and low VSWR prevent degradation of the picture quality due to high frequency roll-off and cable reflections.

                            When used with a D15HDM-5BF-3 VGA breakout cable, this is a great solution to eliminate hum from any VGA system.

                            • Provides 56dB Reduction in Ground Loops
                            • DC to 600MHz (VBH-3RR) or 900MHz Bandwidth

                               

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                              Item #: JEN-VBH5BB

                              Availability: Direct Ship From Manufacturer

                              Our Price: $849.99

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                            • Jensen JT-11SSP-6M 600 Ohm Line Isolation

                              Jensen JT-11SSP-6M 600 Ohm Line Isolation

                              This transformer has split primary and secondary windings which can beconnected for either 1:2 (150:600 S), 1:1 (600:600 S), or 2:1 (600:150 S)operation. Distortion, although specified for 600 S sources, will be further reducedby lower impedances. A 30 dB magnetic shield package is standard.

                              • Ideal for use with low input impedance circuits
                                Wide bandwidth: !3 dB at 0.4 Hz and 220 kHz
                                Recommended for levels up to +19 dBu at 20 Hz
                                Insertion loss only 1.9 dB in 600 S to 600 S application
                                High common-mode

                               

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                              Item #: JT-11SSP-6M

                              Availability: Direct Ship From Manufacturer

                              Our Price: $119.95

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                            • Kramer TR-1 Video Isolation Transformer

                              Kramer TR-1 Video Isolation Transformer

                              The TR-1 is a high resolution video isolation transformer for composite video signals. It provides complete isolation between devices thus eliminating video hum, ground loops, and DC offsets which can degrade picture quality.

                              • Bandwidth - 5.8MHz (- 3dB).
                              • Passive (no power required).
                              • Compact Kramer TOOLS™ - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3TR rack adapter.
                                Applications
                              • Broadcast and production video studios.
                              • Video duplication studios.
                              • Staging and fieldwork

                                 

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                                Item #: KR-TR1

                                Availability: Direct Ship From Manufacturer

                                Our Price: $120.00

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                              • LEN L3GF03 3G-SDI Galvanic Video and Ground Path Isolator - 4kV Breakdown

                                LEN L3GF03 3G-SDI Galvanic Video and Ground Path Isolator - 4kV Breakdown

                                The L3GF03 may used with SD, HD or 3G SDI. These have a higher breakdown voltage as required for medical applications. They are built in are constructed in ABS boxes with mounting flanges, fitted with two female BNC connectors.

                                • Dimensions: 50 x 35 x 15 (L x W x H) mm excluding mounting flanges, 68mm length including flanges.

                                 

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                                Item #: LEN-L3GF03

                                Availability: Usually ships in 3-10 business days

                                Our Price: $460.80

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                                Video Hum Eliminators

                                Markertek's stocks a wide selection of video hum eliminators that are designed to remove interference created by long cable runs, 60 cycle power demands, grounding noise, and magnetic coupling. Normal voltage differences between system grounding points cause small AC power currents to flow through video cables and even a small voltage drop can cause a visible hum bar. The low and high-frequency response of most video hum eliminatorsmake them ideal for high-definition and projection systems. Make sure you are stocked with plenty video hum eliminators for your next event.

                                 

                                 
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