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GCompris is free and open-source software and the current version is subject to the requirements of the AGPL-3.0-only license. It has been part of the GNU project. [3] The name GCompris is a pun, in the French language is pronounced the same as the phrase "I have understood", J'ai compris [ʒekɔ̃ˈpʁi].
deRFmega128-22M00 2.4 GHz ATmega128RFA1 8-bit ATmega 16 kB 128 kB Chip ceramic antenna < 1 μA 18 mA 18 mA +3 dBm -98 dBm 23.6 mm × 13.2 mm × 3.0 mm 2012 JTAG, UART, I²C, ADC, SPI, GPIO: MAC stack Zigbee (BitCloud) 6LoWPAN Atmel deRFmega128-22M10 2.4 GHz RF pads 19.0 mm × 13.2 mm × 3.0 mm deRFmega128-22M12 2.4 GHz 198 mA
The Proteus Design Suite is a proprietary software tool suite used primarily for electronic design automation. The software is used mainly by electronic design engineers and technicians to create schematics and electronic prints for manufacturing printed circuit boards .
A push-pull amplifier will have fewer harmonics than a single ended circuit. A class A amplifier will have very few harmonics, class AB or B more, and class C the most. In the typical class C amplifier, the resonant tank circuit will remove most of the harmonics, but in either of these examples, a low pass filter will likely be needed following ...
10 MHz – 8 GHz (planned modules for 9 kHz – 26 GHz; 9 kHz – 55 GHz, and 9 kHz – 70 GHz) Up to 490 MHz (2 Rx with 245 MHz each) 16 14 Yes 2 GSPS 0.005 (OCXO option) 2/1/3 Embedded or True IQ data via 1 x or 2 x USB 3.0. Optional 1 x USB 3.1 GEN2 (power only). Internet remote via HTTP / JSON Yes Yes No 1 x XC7A200T-2 (930 GMACs)
The reference design is open source hardware, but unlike the marketed device employing a CC BY 4.0 license it is distributed under the terms of the Solderpad Hardware Licence, Version 0.51. [46] The available design documentation for the reference design includes both schematic and circuit board layout in several EDA suite formats.
Hardware design (i.e. mechanical drawings, schematics, bills of material, PCB layout data, HDL source code [2] and integrated circuit layout data), in addition to the software that drives the hardware, are all released under free/libre terms. The original sharer gains feedback and potentially improvements on the design from the FOSH community.
The basic problem is the amplifying element is dissipating power. Switching Class C amplifiers are nonlinear, but they can be better than 50 percent efficient because an ideal switch does not dissipate any power. A clever design can use the nonlinear Class C amplifier for both gain and as a frequency multiplier.