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How to Specify Bandpass Filters
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From Anatech Microwave Company
In a classic case of what you don't know can hurt you, design engineers with advanced knowledge of digital electronics are discovering an urgent need to brush up on RF basics when it comes to specifying filters for wireless devices. Failure to take into account the fundamental aspects of filter types and minimum specification requirements can result in products that fail "test," thus incurring costly production delays as the product goes back to the drawing board. On the other hand, knowing how to accurately specify filters helps yield products that meet production benchmarks and function correctly in the hands of the customer. In effect, this knowledge helps contain production expenses while upping the product's chance of success in the marketplace. Products & Services
Antennas are structures or devices used to collect or radiate electromagnetic waves.
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Learn more about Antennas
RF attenuators are circuits that reduce the power level of a signal by a certain amount (gain), with little or no reflection. They reduce the output signal with respect to the input and measure the power reduction in decibels (dB).
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Learn more about RF Attenuators
RF diplexers are three-port frequency-dependent devices that may be used as a separator or a combiner of signals. RF duplexers allow a transmitter operating on one frequency and a receiver operating on a different frequency to share a common antenna with a minimum of interaction and degradation of the different RF signals.
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Learn more about RF Diplexers and Duplexers
RF waveguide isolators and RF waveguide circulators permit a signal to pass in one direction while providing high isolation to reflected energy in the reverse direction. RF waveguide circulators are passive devices with three or more ports.
Learn more about RF Waveguide Isolators and Circulators
RF band pass filters are active or passive circuits that pass signals from a specific frequency band and reject signals from out-of-band frequencies. Surface acoustic wave (SAW) filters, crystal filters, and cavity filters are types of band pass filters.
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Learn more about RF Band Pass Filters
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