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  2. SoftPC - Wikipedia

    en.wikipedia.org/wiki/SoftPC

    SoftPC is a software emulator of x86 hardware. It was developed by Rod MacGregor, Henry Nash & Phil Bousfield, following the founding of Insignia Solutions in 1986 by MacGregor, with "about a dozen people who had left the CAD/CAM workstation specialist Computervision", believing in a market opportunity for an independent CAD/CAM consultancy.

  3. List of software-defined radios - Wikipedia

    en.wikipedia.org/wiki/List_of_software-defined...

    25 Msps for 16-bit samples; 50 Msps for 8-bit samples 0.5 ppm TCXO. 0.01 ppm w/ GPSDO Option Gigabit Ethernet Yes Yes Yes Xilinx Spartan 3A-DSP 1800 USRP N210 [126] Pre-built DC – 6 GHz Up to 25 MHz (40 MHz b/w cards limited by GigE interface) [125] 14 16 Yes 25 Msps for 16-bit samples; 50 Msps for 8-bit samples 0.5 ppm TCXO.

  4. Network Driver Interface Specification - Wikipedia

    en.wikipedia.org/wiki/Network_Driver_Interface...

    NDIS Miniport drivers can also use Windows Driver Model interfaces to control network hardware. [19] Another driver type is NDIS Intermediate Driver. Intermediate drivers sit in-between the MAC and IP layers and can control all traffic being accepted by the NIC. In practice, intermediate drivers implement both miniport and protocol interfaces.

  5. National Semiconductor SC/MP - Wikipedia

    en.wikipedia.org/wiki/National_Semiconductor_SC/MP

    Because the registers are 16-bit, and the accumulator that loads values is 8-bit, setting a complete address required several instructions. [7] As indexes were critical to the addressing model, the SC/MP included four index registers, the "Pointer Registers" PR0 through PR3. PR0 was the program counter, and not normally manipulated by user ...

  6. Insignia Systems - Wikipedia

    en.wikipedia.org/wiki/Insignia_Systems

    Insignia Systems, Inc. was founded on January 2, 1990 by G.L. Hoffman and David Eiss. [4] The company began operations by selling Impulse sign machines that printed in-Store signs and labels. [ 4 ] In 1991, Insignia Systems became a publicly traded company, trading on the NASDAQ as ISIG, moving to the National Market in 2002. [ 5 ]

  7. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    The "stop bit" is actually a "stop period"; the stop period of the transmitter may be arbitrarily long. It cannot be shorter than a specified amount, usually 1 to 2 bit times. The receiver requires a shorter stop period than the transmitter. At the end of each data frame, the receiver stops briefly to wait for the next start bit.

  8. AN/PSN-13 Defense Advanced GPS Receiver - Wikipedia

    en.wikipedia.org/wiki/AN/PSN-13_Defense_Advanced...

    The AN/PSN-13 Defense Advanced GPS Receiver (DAGR; colloquially, "dagger") is a handheld GPS receiver used by the United States Department of Defense and select foreign military services. It is a military-grade, dual-frequency receiver, and has the security hardware necessary to decode the encrypted P(Y)-code GPS signals .

  9. IRIG timecode - Wikipedia

    en.wikipedia.org/wiki/IRIG_timecode

    1 start bit; 7 data bits; 1 odd parity bit; 1 stop bit; The on-time marker is the leading edge of the first start bit. IRIG J-1 timecode consists of 15 characters (150 bit times), sent once per second at a baud rate of 300 or greater: <SOH>DDD:HH:MM:SS<CR><LF> SOH is the ASCII "start of header" code, with binary value 0x01.