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The TEAC AX-505 amplifier is driven by a Hypex Class D nCore, [8] as is the NAD Master Series M10 streaming amplifier. [9] The NCore 400 is available in kit form, that allows the module to be used in lower-end equipment. [10] It supports a signal-to-noise ratio of 125 decibels and a switching speed of 470-530 kilohertz. [11]
Neural DSP Technologies is a Finnish audio equipment manufacturer founded in 2017 by Douglas Castro and Francisco Cresp. Headquartered in Punavuori, Helsinki, the company is best known for its flagship guitar amp modeler, the Quad Cortex, and for its amp modeling audio plug-ins that create computer-based virtual amplifier and effects modelling suites. [3]
For example, in order to match an inductive load into a real impedance, a capacitor needs to be used. If the load impedance becomes capacitive, the matching element must be replaced by an inductor. In many cases, there is a need to use the same circuit to match a broad range of load impedance and thus simplify the circuit design.
In 2017 Elecraft introduced the KPA1500, a 1500 watt (full legal limit) amplifier. The KPA1500 covers the 160 through 6 meter bands. Its key feature is a built-in wide-range antenna tuning unit (ATU). The amplifier's power supply is housed in a separate enclosure, resulting in a relatively compact RF deck/control unit.
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a sequence of numbers that represent samples of a continuous variable in a domain such as time, space ...
The first class-D amplifier was invented by British scientist Alec Reeves in the 1950s and was first called by that name in 1955. The first commercial product was a kit module called the X-10 released by Sinclair Radionics in 1964. However, it had an output power of only 2.5 watts.
The MSC81xx is based on StarCore Architecture processors and the latest MSC8144 DSP combines four programmable SC3400 StarCore DSP cores. Each SC3400 StarCore DSP core has a clock speed of 1 GHz. XMOS produces a multi-core multi-threaded line of processor well suited to DSP operations, They come in various speeds ranging from 400 to 1600 MIPS ...
The receiver will also operate in the VHF and UHF range using either mixer image or alias responses. The host computer uses DSP techniques to process the digital bitstream it receives from the HPSDR system. [2] Currently, the HPSDR hardware has been interfaced with the Flex-Radio PowerSDR Windows-based software, which is licensed under the GPL. [3]