General Guide to RF Printed Circuit Boards:

Modern PCBs combine a variety of digital and mixed-signal technologies, so layout and design has become more challenging, especially when RF and microwave are in the mix for sub-assemblies. There are a few things to consider when looking at radio frequency PCBs, whether you’re working with us, another RF printed circuit boards supplier or designing your own.

First up is that the RF frequency range is normally 500 MHz to 2 GHz, though designs above 100 MHz will typically be considered RF PCBs. If you venture above 2 GHz, then you’re in the microwave frequency range.

RF and microwave printed circuit board designs have a few major differences to consider — differences between themselves and your standard digital or analog circuit.

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In simplest terms, an RF printed circuit board is working with what’s essentially a very high-frequency analog signal. Your RF signal can be almost any voltage and current level at any point in time, as long as it’s between your minimum and maximum limits.

RF and microwave printed circuit boards operate on a frequency and pass signals within a certain band. Band pass filters are used to transmit signals in the “band of interest,” and anything outside of this frequency range is filtered out. Bands can be narrow or wide and can be carried via high-frequency carrier waves.

RF printed circuit board suppliers and manufacturers require a mix of standard and specialty equipment for proper processing and manufacturing. Plasma etch machinery is one of the more significant requirements, because it can maintain high quality in the thru-holes with minimal deviance.

Laser direct imaging (LDI) equipment is also commonly used for RF circuits, because it serves better than traditional photo exposure tools. You’ll want an LDI backing to ensure that board manufacturing maintains an extremely tight trace width, as well as front-to-back registration requirements.

Overview, of the typical RF antenna design types used with satellites, both on the ground and on the satellite. This includes satellite television (tv) reception.

A variety of forms of antenna board can be used for transmitting to and receiving from satellites. The most common type of satellite antenna is the parabolic reflector, however this is not the only type of antenna that can be used.The actual type of antenna will depend upon what the overall application and the requirements.