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Definition of "PLD" |
Acronym for Programmable Logic Device. PLDs are devices that are programmed by the OEM customer or manufacturer. A PLD IC is normally considered to be one of the more basic Programmable Logic Devices having only a few logic elements to several dozen logic elements How ever, some consider FPGA devices to also be a PLD, even with several thousand logic elements. There are two main types of PLD devices; Simple PLD [SPLD], and Complex PLD [CPLD]. The most widely know PLD is the 22V10, having 10 Flip Flop I/O programmable blocks. [PLD Dictionary], [PLD Manufacturers]. / Programmable logic device is an electronic component used to build reconfigurable digital circuits. Unlike a logic gate, which has a fixed function, a PLD has an undefined function at the time of manufacture. Before the PLD can be used in a circuit it must be programmed, that is, reconfigured. / Audio crossovers are a class of electronic filter used in audio applications. Most individual loudspeaker drivers are incapable of covering the entire audio spectrum from low frequencies to high frequencies with acceptable relative volume and absence of distortion so most hi-fi speaker systems use a combination of multiple loudspeakers drivers, each catering to a different frequency band. Crossovers split the audio signal into separate frequency bands that can be separately routed to loudspeakers optimized for those bands. / See programmable logic device. |
Definition of "PLD" |
Programmable Logic Device, |
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