Controlled insusceptibility signal transmission cable television applications are best suited to the capabilities of flexible circuits and rigid flex PCB.

Because of the rapid increase in the development of high-speed, high-performance electronic devices, making use of controlled impedance interconnections is expected to grow. Following are several of the construction kinds readily available making use of flexible circuits and rigid flex PCB. following chart shows an instance of each type.

CO-PLANAR STRIPLINE

The co-planar stripline is a basic technique of creating a controlled resistance cable television. The flexible circuits and rigid flex PCB are produced with one steel layer by alternating ground as well as power. These building and constructions are appropriate to higher characteristic resistance styles. A downside of these layouts is that they are prone to EMI sound.

MICROSTRIP CIRCUITS

Microstrip circuit layouts are two-layer flexible circuits and rigid flex PCB constructions operating one metal layer dedicated to ground. These circuits have actually been successfully utilized in transmission line applications, are usually targeted at 50 ohms, and also are typically used for single-ended affiliations. Greater characteristic insusceptibility designs can be constructed, but flexibility generally experiences.

STRIPLINE CIRCUITS

Stripline circuits and also transmission line cable televisions are likewise outstanding applications for flexible circuits and rigid flex PCB. Operating ground layers on both sides, fantastic signal integrity can be attained. Nonetheless, stripline circuit building and constructions have the tendency to not be really flexible due to the extra dielectric and metal aluminum foil made use of. Stripline circuits are often developed to 100 ohms and also are often used for differential pair interconnections.

360 ° SHIELDED STRIPLINE

360 ° protected stripline building and constructions try to duplicate co-axial cord constructions because of the fact that the signal line is bordered on four sides by ground. These applications are of interest where cross-talk is a problem and where optimal signal honesty is required. Like stripline flexible circuits and rigid flex PCB, these building and constructions tend to be rather stiff.

PSEUDO CO-AXIAL CABLE

Some scientists have taken 360 ° stripline building and constructions a bit additional and used either plated through-holes at factors along the length of the flexible circuits and rigid flex PCB or plated trenches along the length of the copper ground to improve the shielding in between the signal lines.