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Search the history of over billion web pages on the Internet. It contains three basic types of information — numerical product listing, datasehet data and general reference material — organized into the following sections: Section 1 — Product Index Numerical index listing device types, general product category, and the catalog page and line item number were the actual short-form data can be found.
Due to the complexity and 74ls004pc of device numbering systems now used in the semiconductor industry, the product index is organized in a numeric-alpha sequence. Device order is dependent first on the numeric value of the first digit on the left, then on the value of the second digit, then the third et cetera, regardless of the total numeric value of the device number.
For datasheett, device number will preceed device number Device number will follow and preceed device number Device numbers containing a letter of the alphabet are placed after devices containing no alpha character. For example, the 74H series of device numbers follows the last series number, More complete product data is available from Fairchild in data books, application handbooks or notes, and individual data 74ls04pf.
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Standard transistor output 2. High speed transistor output guaranteed 2.
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CTR guaranteed with transistor in saturation 4. JEDEC registered data and conditions 5. CTR typ at 1. O DU Opto 20 10 10 2. High speed transistor output guaranteed 2 fis max t r and tf with Rl 8fiS typ at 1 Datqsheet Rl 3. Dimen- sions given are digit sizes — die datasyeet larger by. Half digits numeral-one are available for the 0.
The FNX, and are 9-segment and can be used as 7-segment. The other is 7-segment only. FPA, have infrared filters. Planar is a patented Fairchild process. Light energy falls on the photosites and generates charge packets proportional to the datsheet intensity. These charge packets are then transferred in parallel to two analog transport registers, which are clocked by 2-phase clocks.
The packets are next delivered to an on-chip output amplifier where 74ks04pc are converted to proportional voltage levels. A series of pulses, amplitude modulated with the optical information, appear at the output. The CCD has two separate output amplifiers, one for each stage analog transport register, which permit higher total output data rate.
The linear image sensors are packaged in hermetically sealed ceramic packages with a high quality optical glass window.
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Linear sensors find applications ranging from simple optical character recognition OCR using the x 1 device to high speed facsimile sensing using the 1 x 1. The precise location of the photosites on the sensors allows the device to be used in high precision non-contact measurement applications such as dimensional measurements of objects, shape recognition and sorting, defect detection and so on. The three linear sensors have the same sensing element center-to-center spacing; selection is determined by the user’s resolution requirement.
The charge packets are transferred to the output amplifier in two separate fields, line by line. 74ls044pc technique is called the interline transfer approach. The x-y format of the area sensors was selected to provide a 4 x 3 image aspect ratio. The highly precise location of the photosites allows precise identification of each component of the image signal, an important feature for applications requiring exact 74ls04oc measurements.
The devices are also well suited for use in video cameras that require low power, small size, high sensitivity and high reliability. Both devices are packaged in a hermetically sealed package with a high quality optical glass window. In a CCD analog shift register, electrical inputs are applied to the charge-injection port which samples the input signal at a rate determined by the input signal bandwidth.
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This datasheeet is then transformed into a charge packet and injected into the register. The clocks shift the charge packet through the register to the output amplifier for conversion to an output signal voltage. A filtering or sample-and-hold technique is usually required to recover the analog information. The time delay between the input and output signals is equal to the number of datashewt in the CCD register N divided by the clock rate frequency. Since Satasheet is fixed, varying the clock rate provides a variable delay that makes the CCD shift register a powerful device for applications requiring highly precise delay of analog information.
Other types of applications include time-base compression and expansion systems where data can be fed to the device at one speed and fed out of the device at a different speed. Pre- processing the analog data through a CCD A eliminates the need for expensive high speed A-to-D converters in these applications.
Finally, the device can also be used in audio 74ls04pf for echo-effect simulations, reverberation systems, etc. These design development boards are fully assembled and tested, and require only power supplies and an oscilloscope to display the video information corresponding to the image positioned in front of the sensor.
Video information, typically 1. The CCD board also includes sweep waveform generators for driving an x-y monitor. Assembled and thoroughly tested, the module requires only a single power supply. The choice among them is datashedt primarily by resolution require- ments, since each camera model offers essentially equivalent performance in other respects. The line-scan camera can be ordered with a C-mount lens with a focal length to meet datashdet specific application.
Each camera subsystem includes a line-scan camera, a camera-control unit and interconnecting cables. Within the camera is a CCD image sensor, a logic board to provide clock signals for controlling sensor operation, and a video processing assembly to generate an analog-video and a binary-video output signal. Datasehet analog-video signal is a continuous analog representation of the spacial distribution of image brightness, obtained by sample-and-hold processing of the raw sensor output.
The binary-video output, provided by a comparator, is a digital version of the analog video waveform and corresponds to black-to-white and white-to-black transitions of the analog-video signal across the threshold.
The threshold adjustment can be varied 74lls04pc the full dynamic range of the camera. It also contains the adjustment controls for camera exposure time, video data rate, the threshold voltage for the binary-video comparator, and an AGC off-on switch. The camera-to-control interconnection cable permits complete remote control of the camera by the control unit. Emulation of the control unit signals permits camera control by microcomputer.
CCD line-scan camera subsystems are being used for non-contact measurement, inspection, defect detection, shape and pattern recognition, color sorting, and for a wide variety of quality process-control industrial applications.
It is a single printed circuit board which is installed in a 3″ x 6″ x 10″ enclosure designed as dtaasheet companion to the line-scan camera control unit. All required bias-voltage and camera-signal input connections are made by a single wire cable which is provided for interconnection between the pixel locator and control unit. The primary electrical 74ls04pv of datashert pixel locator is generation of a set of digit output data words which indicate the pixel address locations where white-to-black and black-to-white transitions occur in the binary video signal from the associated line-scan camera.
A pixel is a “picture element,” which physically corresponds to a discrete photosite in the CCD image sensor in the 74le04pc. There are pixels hence corresponding pixel addresses in the CCD1 dataasheet. First-in first-out buffer memory storage provided for the set of address words detected by the pixel locator allows the users system to access address data at any rate up to 2M words per second.
The sequentially available set of digital address output words permits many non-contract measurement application problems to be resolved with simple binary subtraction or digital display circuitry. As a secondary function, the pixel locator also provides an 8-bit output word to indicate the number of video signal transitions detected in dztasheet proceeding camera line-scan readout.
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