| Welcome to Current Source |
| "The Products You Need... The Quality Service You Expect!" |
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A distributor of electronic & light electrical parts & supplies, components, voice & data products and services.
As a leading distributor of electronic components, products and services, we do substantial business in the industrial OEM market (Original Equipment Manufacturers), and the MRO (Maintenance, Repair and Operations) market. We are also a distributor of electronic wire and cable products--stocking thousands of feet of electronic wire and cable from most of the name brand manufacturers.
In addition to these broad markets, we distribute computer and networking products, commercial audio and video products, and security products. In addition to everyday items, we handle exotic and "hard-to-find" system and network components.
We do most of our business with commercial accounts, but we also sell retail. We accept most major credit cards. Either way, we promise fast, knowledgeable, friendly service. Whether you are looking for a package of heat shrink tubing, a resistor or a hundred reels of Category 6 cable, or a network hub,
We welcome you as a customer and promise to do our best in providing fast, knowledgeable, friendly service. |
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Hum Eliminators
Calrad's 4new 40-970 series line of hum eliminators, also referred to as a hum bucker or a ground loop eliminator, is 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. At power frequencies, a voltage drop of only 7mV peak can cause a visible hum bar. Ground loop current flows through the shield of coaxial video cable which produces a magnetic field in the core of the hum eliminator to create an inductor, or choke. The high impedance of this choke in the ground path effectively removes the hum from the signal cable at the output port of the unit.
The major advantage using a hum eliminator over an isolation transformer is high bandwidth. The low-frequency response extends to DC avoiding an effect, seen on waveform analyzers, called field-rate tilt and a high-frequency response of 100 MHz or more make these units suitable for high-definition and projection TV systems. These units are passive devices which remove induced hum while being transparent to the video signal.
Single channel units are designed for composite signals, multi-channel units can be used either for multiple composite signals, component, RGB or Y R-Y B-Y plus sync signals. Other models are also available with internal audio ground loop isolators to remove both audio and video interference.
Our use of quality materials in the manufacture of these products will assure you that you are getting the best hum eliminator possible. New Bi-directional Digital cable hum removal filters available soon.
Don't hesitate to call or fax us if your situation requires a custom solution.
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WIRE & CABLE BY THE FOOT OR SPOOL
Free custom cuts, no minimum order, drop shipped right to your front door!
Our massive inventory and broad base of manufacturer's can get you what you need, when you need it.
Our supply chain has warehouses all over the United States.
Call us it's Toll Free!
888-276-8772
Email Us with your requirements
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Current Source has a new supplier. Worswick Industries, specializes in custom and low-volume cable assemblies. We can offer quick turn-around, many times overnight, short-run, non-standard assemblies through our supplier.
Email Us with your requirements |
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Request Quote 