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Temperature/Humidity Sensor Combo Cable

A leading manufacturer of I/O products for industrial automation, data collection, and monitoring needed a custom combo cable for a yet-to-be-announced digital temperature and humidity sensor.

Requirements:

The combo cable needed to maintain flexibility in cold temperature applications. The combo cable jacket needed to be oversized to fit the collet of the customer’s sensor housing.

The Multi/Combo Cable Solution:

Multi/Combo Cable built a PVC insulated three conductor 24(7) AWG combo cable core with an oversized black TPE jacket.

TPE or Thermoplastic Elastomer is a combination of plastic and rubber. Thermoplastic rubber has mechanical characteristics of thermoset rubbers yet is a thermoplastic. It has excellent ozone and chemical resistance, excellent electrical properties and low water absorption. It also does well with temperature extremes (-46°C to 125°C).

Our customer was grateful that we were able to meet their needs without special tooling or additional fees.

Advantages Of Nylon Braided Usb Data Cables

Nowadays, there are many styles of mobile phone usb data cables on the market, such as nylon braided usb data cables, PVC usb data cables, TPE usb data cables, and TPU usb data cables. Today, we mainly analyze the nylon braided usb data cables, so what are the advantages of nylon braided usb data cables:

1. beautiful appearance: nylon braided data cable can change color, texture, add other colors on the body, while other styles of usb data cables are single color, can not add other colors on the body.

2. feel good: because the nylon material itself is very soft, feel very comfortable. Moreover, the nylon filament is very thin, so it is necessary to wrap a lot of nylon filaments together, and then according to the required process, it is determined how many sets of nylon filaments wrap the entire data cable. Due to the particularity of the process, the nylon braided data cable Feel very comfortable to touch, look very stereoscopic.

3. increase the tension of the data cable: Just mentioned that the top of the line is composed of a lot of tiny nylon wire, so the nylon data cable can withstand the good pull.

4. not easy to damage: the original data cable used by many of the wire tails are easy to damage the copper wire inside the leakage wire, and the nylon braided data cable just solved this problem.

This article comes from focusestech edit released

Coaxial Cables and Applications

Coaxial cables are used to transmit electrical energy, or signals, from one location to another, and to connect a source to a load, such as a transmitter to an antenna. This white paper studies their construction and applications.

Agency requirements for compliance with National Electric Code are specified with a table listing corresponding applications for various cable listings. The electrical properties of coaxial cables including characteristic impedance, capacitance, velocity of propagation, and attenuation are detailed and an account of physical properties, namely, dimensions, temperature rating, bend and flex radii, and pulling tension are described.

Applications for various types of coaxial cables such as video distribution, RF and microwave transmission, wireless and antenna functions, and instrumentation/control are specified in detail.

This article comes from thomasnet edit released

Advantages of Phone Lightning Cable and Type-C Data Cable

The iPhone has been released to the 8th generation, but its iPhone Lightning cable has been using the lightning interface, and the data cable used by Android phones is micro USB data cable and Type-C data cable as charging cable, Type-C data cable and iPhone lightning cable, they can be inserted in the positive and negative directions.

Advantage:

1, Ultra-thin interface, type-c interface length is 0.83cm, width is 0.26cm.

2, Regardless of the positive and negative double-sided plug, this is the same as the Apple data line lightning interface.

3, Fast charging, theoretically has a faster transmission speed (up to 10Gbps) and better power transmission (up to 100W)

4, Two-way transmission, type-c data line power transmission is two-way, not only can use a notebook to charge mobile devices, but also can use other devices and mobile power to charge the notebook.

5, Type-C data cable can also be compatible with the old USB standard, but users need to purchase an additional adapter to complete the compatibility. This is more practical than iPhone lightning cable.

6, The price is cheap, exempt from technical authorization and other costs.

This article comes from YD edit released

How to Extend Coaxial Cable?

As you know coaxial cable which also referred to coax is meant for watching cable TV connections and using computer networks. Such type of wire is noise sensitive which passes the electrical signal through it. Initially, people use a single coax cable for their cable connection requirement.

But, as the time progresses, you install more devices like TVs, computers, etc. in different rooms and so you need to extend the coaxial connection through a cable splitter.

Also, when you change the location of the cable TV or any other coaxial device, then also you need to get a coaxial cable extension. Today, I will explain how you can easily splice the coaxial cable for the extended connection requirements.

This article comes from bestcablesplitter edit released

How High is a Coaxial Cables Max Frequency?

Coaxial cable is the most commonly used transmission line for RF and microwave applications, because it provides reliable transmission with the benefits of wide bandwidth and low loss and high isolation. Major manufacturers of transmitting equipment, i.e. radio and TV, radar, GPS, emergency management systems, air and marine craft, use coaxial cables. The uses of coaxial cable apply to any system in which signal loss and attenuation must be minimized. Unlike waveguides, coaxial cable has no lower cutoff frequency but what about its upper frequency?

Max Frequency

With some exceptions, most coaxial cables do not have an actual cut-off terms of a specific stop-band frequency but instead use the term cutoff to refer to the highest frequency tested by the manufacturer, or when the frequency reaches a point where the coaxial cable becomes a waveguide and other modes, aside from the transverse-electromagnetic mode (TEM), occur. Hence, a coaxial cable cutoff frequency could be where the coaxial cable remains within specification, or within a reasonable margin to avoid transverse-magnetic (TM) or transverse-electric (TE) propagation modes. Though coaxial cables can still carry signals with frequencies above the TEM mode cutoff, TM or TE transmission modes are much less efficient not desirable for most applications.

Cutoff Frequency and Skin-Depth

Two important concepts of note when discussing frequency in coaxial cable are skin-depth and cutoff frequency. Coaxial cable is made up of two conductors, an inner pin, and an outer grounded shield. Skin depth occurs along the coaxial line when high frequencies cause electrons to migrate towards the surface of the conductors. This skin effect leads to increased attenuation and dielectric heating and causes greater resistive loss along the coaxial line. To reduce the losses from the skin affect, a larger diameter coaxial cable can be used but increasing the coaxial cables dimensions will reduce the maximum frequency the coaxial cable can transmit. The problem is that when the size of the wavelength of electromagnetic energy exceeds the transverse electromagnetic (TEM) mode and begins to “bounce” along the coaxial line as a transverse electric 11 mode (TE11), the coaxial cable cut-off frequency is created. Because the new frequency mode travels at a different velocity than the TEM mode, it creates reflections and interference to the TEM mode signals traveling through the coaxial cable. This is referred to as the upper frequency limit or cutoff frequency.

A cutoff frequency is a point at which energy flowing through the EM system begins to be reduced, by attenuation or reflected, rather than passing through the line. TE and TM modes are the lowest order mode propagating on a coaxial line. In TEM mode, both the electric field and the magnetic field are transverse to the direction of travel and the desired TEM mode is allowed to propagate at all frequencies. Higher modes are excited at frequencies above the cutoff frequency when the first higher-order mode, called TE11, is also allowed to propagate. To be sure that only one mode propagates for a clear signal, the signals need to be below the cutoff frequency. Reducing the size of the coaxial cable increases the cut-off frequency. Coaxial cables and coaxial connectors can reach into the millimeter wave frequencies but as the physical dimensions shrink, power handling capabilities are reduced and losses increase.

This article comes from pasternack edit released

A practical guide to speaker cables

Speaker cables are the most over-mystified and overrated components of audio systems. Despite the claims of the high-end audio cable industry, what really matters is the careful selection of the wire gauge. Speaker wires have no magical attributes and the signal transmission through a wire is completely understood by engineers and scientists.

This guide is a mixture of well-known facts (e.g. circuit models) and a bit of my own work (experiments, circuit analysis). It’s widely known that inductance loss in speaker cables is negligible up to several meters, but how much is much? I’ve studied the inductance loss in detail and I found that the key concept – besides cable inductance – is the impedance response of tweeters.

Construction

Speaker cables are made of two stranded copper wires surrounded with PVC insulation. The role of the insulation – apart from isolating the two wires from each other – is to prevent the copper from oxidation. There are speaker cables that cost 100$ per meter or more, but in reality these are just ‘audio jewelry’, they look cool, but have no sonic benefits (and some of them can be worse than an ordinary speaker cable). A speaker cable should have very low series resistance and series inductance – and that’s all.

There is a major difference between speaker wires (aka zip-cords) and speaker cables. Speaker cables have an outer jacket, so they are more durable and better for heavy duty live amplification. In addition to this the outer jacket is mandatory for in-wall installation. Speaker wires (zip-cords) have no outer jacket and they are intended to be used in home audio systems (home theater, stereo).

Some cable companies offer speaker cables with twisted wires or tinned copper conductors. Tinned copper has lower oxidation rate than ‘bare copper’ (useful close to the sea). The twisted pair lowers the induced magnetic field around the cable and lowers the voltage induced in the cable by external magnetic fields.

CATV Series Cables

Community Antenna Television (CATV) series cables are constructed using Copper Covered Steel Center Conductors (CCS). CCS conductors give strength to CATV series cables when installers pull on the coaxial cables. CATV series cable uses a bonded foil shield with an aluminum braid to prevent high-frequency RF leakage, which can result in fines from the FCC.

A CATV Series cable also shields against low level high frequencies. Syston Cable Technology’s series of broadband and digital coaxial cables are tested to the highest standards to ensure the best performance in high-end home theater installations, incorporating HDTV and digital video.

This article comes from systoncable edit released

Coaxial Cables Application

Coaxial cables or COAX cables are the ideal solution for all applications requiring high speed data and video, flexibility, protection from extreme environment and high and low temperature resistance. Where you need a signal with minimum distortion and attenuation or no interferences, coaxial cables play a pivotal part. In fact, thanks to their twin conductor construction nature, they are able to ward off many issues produced by bifilary wires.

Coaxial cables consist of two copper or aluminium coaxially oriented conductors surrounded by a tubular insulating layer, enclosed by a conducting shield. The quality of coaxial cables affects the signal interference; higher quality ensures a minimum signal interference. Moreover, also the density of the shielding affects the quality of the COAX. The result is that high quality materials and manufacturing process are essential to manufacture a reliable coaxial cable.

Generally, coaxial cables end with connectors that are usually manufactured with high conductivity metals. There are many different kinds of coaxial cables, which are generally defined by electrical capabilities, outer diameter or materials. However, most coaxial cables are manufactured in line with RF industry standards, the American norm MIL-DTL-17 and the French norm NF-C-93550.

An example is represented by RG cables, where the copper and aluminium copper clad wire quality, as well as the foaming extrusion, are part of the efficiency of signal.

Although the solutions for a high quality coaxial cable manufacturing look like straightforward, the design of these lines requires expertise and a deep understanding of the final product. Here, we do not see our intervention as a mere product supplier. Our solid expertise in the field as manufacturer, designer and supplier of these remanufacturing solutions, gives us an holistic understanding and all the know how to optimize the solution based on customer needs and specific industry requirements from the drawing (single wire & multi-wire) to the extrusion (insulation & sheathing), passing through the wire assembling (bunching).

This article comes from sampsistemi edit released

Speaker Cable Connectors Explained

Any time components need to be connected together, the type of connectors that are used become important. More than anything, designers look for connectors that will provide a secure connection, with low signal loss.

With speaker cable, this problem is amplified over other types of audio and video connections. The signal going to speaker cable is a relatively high powered analog signal. Compared to electrical house current used for appliances, it isn’t all that high, but compared it is much higher than any other audio or video signal used in most systems.

Any analog signal can become distorted if the wire size or connector contact area is not sufficiently large to carry the signal. This is not based upon the signal’s voltage, but rather the signal’s amperage. At the same time, signal loss, which is a reduction in voltage, increases over small wires. This is why many audio consultants recommend large wire gauge sizes for speaker cable, especially on systems which are using high power audio amplifiers.

Even with this clear need for high power capacity, speaker cable connections have been largely ignored, using other types of available connectors, up until recent times. In many cases and for many years, the only electrical connection used for speaker cable was a simple screw terminal with bare wires. While functional, this type of connection is not highly portable or secure. Often, only part of the wire’s strands are captured under the screw, making for poor electrical and mechanical connection.

This article comes from rame edit released