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recorder
A Recorder of Broadband Signals with Accelerated Data Output
      
An 8-bit recorder with a sampling frequency of 200 MHz and maximum frequency band of processed signals of 150 MHz is described.
      
Results on the separation of small signals from noise using this recorder are presented.
      
Measuring the Amplitude Characteristic of an Image Recorder Based on a CCD Matrix
      
A method for studying the amplitude characteristic of an image recorder designed on the basis of a charge-coupled device (CCD) matrix is described.
      
The recorder input signal is an intensity of distribution a monochromatic light formed upon Fraunhofer diffraction of the light by two identical slits.
      
A Two-Channel Recorder of Single Signals with a 400-MHz-Sampling Frequency
      
A two-channel signal recorder with a 200-MHz-sampling frequency (with two channels) or 400-MHz-sampling frequency (with one channel) is described.
      
The recorder is made in the form of a computer PCI card and is intended to record fast processes in the interaction of laser pulses and gases.
      
Block diagrams of the recorder and test results are given.
      
An analog-to-digital wide-range recorder and its software are briefly described.
      
A repetitive pulse recorder based on the asynchronous stroboscopic sampling method has been developed.
      
The heart of the method is as follows: with each triggering of the recorder, the phase of the triggering pulse, relative to the one closest to it in a set of internal synchronization pulses, is measured along with samples of the input signal.
      
Since the external trigger and frequency of the internal oscillator are asynchronous, the phase value upon a restart of the recorder is random and equiprobable over the range of the synchronizing generator's period.
      
A sampling frequency of 1 GHz was obtained in the recorder by processing 30 sets with a 100-MHz sampling frequency.
      
A wideband signal recorder in which four parallel analog-digital channels are used for increasing the sampling frequency is described.
      
The recorder consists of four analog subchannels, a synchronization unit, four analog-to-digital converters, a controller for a programmable logic array, and a USB interface.
      
Physically, the recorder is the external (to the USB bus) device of a computer.
      
The system was built into an industrially produced potentiometric recorder; it contained two input channels and operated with thermoelectric temperature sensors.
      
A GPS clock was used to synchronize a recorder of signals from VLF radio stations.
      
 

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