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The bootstrap circuit uses a coupling capacitor, formed from the gate/source capacitance of a transistor, to drive a signal line to slightly greater than the supply voltage. [ 10 ] Some all-pMOS integrated circuits such as the Intel 4004 and the Intel 8008 use that 2-transistor "bootstrap load" circuit.
Two-stage charge pump with DC voltage supply and a pump control signal S 0 Dickson charge pump with diodes Dickson charge pump with MOSFETs PLL charge pump. A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage.
In general, bootstrapping usually refers to a self-starting process that is supposed to continue or grow without external input. Many analytical techniques are often called bootstrap methods in reference to their self-starting or self-supporting implementation, such as bootstrapping (statistics), bootstrapping (finance), or bootstrapping (linguistics).
All parts, case and power supply, detailed instructions: Heathkit was a notable manufacturer of electronics kits: Heathkit H11: LSI-11: 1977: All parts, case and power supply, detailed instructions: A 16-bit microcomputer compatible with a PDP-11: Electronics Australia 77up2 aka "Baby 2650" Signetics 2650: 1977: Netronics ELF II: RCA 1802: 1977 ...
It is possible to interchange the two with the relatively minor alteration involving the linking of pins 4 and 5 and ensuring the heater supply is floating (not connected to other heaters). If the heater is supplied from an A.C. source, linking pin 4 to the centre of that source and the cathode bootstrap minimizes hum pickup.
In aeronautics, an environmental control system (ECS) of an aircraft is an essential component which provides air supply, thermal control and cabin pressurization for the crew and passengers. Additional functions include the cooling of avionics, smoke detection, and fire suppression.
The programmers console had a row of toggle switches for data entry of bootstrap routines, etc. Two chassis were available, standard and jumbo with separate power supplies. There were a variety of other cards available for various forms of input/output and process control, relay cards, dual teletype cards, etc.
The KIM-1 came to market in 1976. While the machine was originally intended to be used by engineers, it quickly found a large audience with hobbyists. A complete system could be constructed for under US$500 with the purchase of the computer itself for only US$245, and then adding a power supply, a secondhand terminal and a cassette tape drive.