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The profile that achieves a specified match in the shortest length is known as a Klopfenstein taper and is based on the Chebychev filter design. [31] Tapers can be used to match a transmission line to an antenna. In some designs, such as the horn antenna and Vivaldi antenna, the taper is itself the antenna. Horn antennae, like other tapers, are ...
A real ultra-low power board, capable of running of a single AA. The board counts with an efficient step-up regulator (MCP16251) and can be powered from 0.9V. The Whisper Node has a built-in RFM69 long-range sub-GHz radio and 4 Mbit Flash memory. The board can also run from a standard power supply and use the battery as backup.
(2) Blind via. (3) Buried via. The gray and green layers are nonconducting, while the thin orange layers and red vias are conductive. A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole that goes through two ...
An Altera MAX 7000-series CPLD with 2500 gates. Die of an Altera EPM7032 EEPROM-based CPLD.Die size 3446x2252 μm. Technology node 1 μm. A complex programmable logic device (CPLD) is a programmable logic device with complexity between that of PALs and FPGAs, and architectural features of both.
There are two types of analog blocks. The continuous time (CT) blocks are composed of an op-amp circuit and designated as ACBxx where xx is 00–03. The other type is the switch cap (SC) blocks, which allow complex analog signal flows and are designated by ASCxy where x is the row and y is the column of the analog block.
The STK600 uses a base board, a signal routing board, and a target board. The base board is similar to the STK500, in that it provides a power supply, clock, in-system programming, an RS-232 port and a CAN (Controller Area Network, an automotive standard) port via DE9 connectors, and stake pins for all of the GPIO signals from the target device.
A floorplan that consists of a single rectangular block is sliceable. If a block from a sliceable floorplan is cut ("sliced") in two by a vertical or horizontal line, the resulting floorplan is sliceable. Sliceable floorplans have been used in a number of early electronic design automation tools [1] for a number of reasons.
Because scaled technologies are inherently faster (in absolute terms), circuit performance can be more fairly compared using the fan out of 4 as a metric. For example, given two 64-bit adders, one implemented in a 0.5 μm technology and the other in 90 nm technology, it would be unfair to say the 90 nm adder is better from a circuits and ...
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