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ADV7128 数据手册DataSheet 下载
... Horizontal Scan Rate. This is the rate at which the screen must be refreshed, typically 60 Hz for a noninterlaced system or 30 Hz for an interlaced system. ...
... Horizontal Scan Rate. This is the rate at which the screen must be refreshed, typically 60 Hz for a noninterlaced system or 30 Hz for an interlaced system. ...
4. MEASUREMENT OF LOW CURRENTS
... 10 ) according to the Fig. 4.1. If the micro-ammeter (analogue or digital, both have rather high input resistance - in the order of k) is connected in series with the diode, the voltage drop on the micro-ammeter is comparable to that of the diode. In other words, the voltage drop on the 10 resis ...
... 10 ) according to the Fig. 4.1. If the micro-ammeter (analogue or digital, both have rather high input resistance - in the order of k) is connected in series with the diode, the voltage drop on the micro-ammeter is comparable to that of the diode. In other words, the voltage drop on the 10 resis ...
6501 is a multi-channel DC voltage current source/monitor
... power supply for communication laser diodes or photodetectors that requires high stability. Each unit can be controlled by GPIB, and the structure is expandable by the unit of four channels as required. Each SMU has eight measurement functions: VSIM, ISVM, VSVM, ISIM VM (voltmeter), IM (ammeter), VS ...
... power supply for communication laser diodes or photodetectors that requires high stability. Each unit can be controlled by GPIB, and the structure is expandable by the unit of four channels as required. Each SMU has eight measurement functions: VSIM, ISVM, VSVM, ISIM VM (voltmeter), IM (ammeter), VS ...
7 – UJT Relay Time-delay Circuit
... A UJT relay time-delay circuit is an example of the application of a UJT relaxation oscillator. The circuit shown in fig. 1 provides an adjustable time delay in energizing the relay. In this circuit, power is applied to the load when the 12 V relay is energized. This occurs after a certain no. of se ...
... A UJT relay time-delay circuit is an example of the application of a UJT relaxation oscillator. The circuit shown in fig. 1 provides an adjustable time delay in energizing the relay. In this circuit, power is applied to the load when the 12 V relay is energized. This occurs after a certain no. of se ...
Word - ITU
... sub-functions (e.g. attenuation, spectral energy distribution, pre-emphasis of the higher audiofrequencies) and additive sub-functions (e.g. out-of-band radiation) or it is built up by polygonal traces. In a similar way, the overall response of the receiver, including weighting of the noise power wi ...
... sub-functions (e.g. attenuation, spectral energy distribution, pre-emphasis of the higher audiofrequencies) and additive sub-functions (e.g. out-of-band radiation) or it is built up by polygonal traces. In a similar way, the overall response of the receiver, including weighting of the noise power wi ...
Digital Metronome
... The output of the variable astable is also take to a series of counters and logic gates which divide the frequency of the output of the oscillator by 60 which gives an output of the same frequency in beats per minute as the frequency of the variable astable in Hertz (pulses per second). This means ...
... The output of the variable astable is also take to a series of counters and logic gates which divide the frequency of the output of the oscillator by 60 which gives an output of the same frequency in beats per minute as the frequency of the variable astable in Hertz (pulses per second). This means ...
IX Gamma-Gamma Angular Correlation
... A. Turn the high voltage switch to standby and let the supply warm up for a few minutes. Adjust the voltage to approximately 1300 volts. Note that it may be necessary to lower this to 1200 V in order not to exceed the 1.4 V output limit of the linear fan-out when looking at the 60Co source. DO NOT E ...
... A. Turn the high voltage switch to standby and let the supply warm up for a few minutes. Adjust the voltage to approximately 1300 volts. Note that it may be necessary to lower this to 1200 V in order not to exceed the 1.4 V output limit of the linear fan-out when looking at the 60Co source. DO NOT E ...
Digital Circuit I (EEI 101)
... Most waveforms encountered in digital systems are composed of series of pulses, sometimes called pulse trains, and can be classified as either periodic or nonperiodic. A periodic pulse waveform is one that repeats itself at a fixed interval, called a period (T). The frequency (f) is the rate at whic ...
... Most waveforms encountered in digital systems are composed of series of pulses, sometimes called pulse trains, and can be classified as either periodic or nonperiodic. A periodic pulse waveform is one that repeats itself at a fixed interval, called a period (T). The frequency (f) is the rate at whic ...
ICS670-02 - Integrated Device Technology
... "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or ot ...
... "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or ot ...
viretech - "PLDWorld.com"
... The control logic is may not able to catch period changes of 1.0ns or more The outputs may start to destabilize as the control logic tries to adjust the delay lines to compensate. What to do: Make sure that a change of frequency is followed by a reset of the CLKDLL. ...
... The control logic is may not able to catch period changes of 1.0ns or more The outputs may start to destabilize as the control logic tries to adjust the delay lines to compensate. What to do: Make sure that a change of frequency is followed by a reset of the CLKDLL. ...
Time-to-digital converter
![](https://commons.wikimedia.org/wiki/Special:FilePath/CMOS_TW_OSC_000.png?width=300)
In electronic instrumentation and signal processing, a time to digital converter (abbreviated TDC) is a device for recognizing events and providing a digital representation of the time they occurred. For example, a TDC might output the time of arrival for each incoming pulse. Some applications wish to measure the time interval between two events rather than some notion of an absolute time.In electronics time-to-digital converters (TDCs) or time digitizers are devices commonly used to measure a time interval and convert it into digital (binary) output. In some cases interpolating TDCs are also called time counters (TCs).TDCs are used in many different applications, where the time interval between two signal pulses (start and stop pulse) should be determined. Measurement is started and stopped, when either the rising or the falling edge of a signal pulse crosses a set threshold. These requirements are fulfilled in many physical experiments, like time-of-flight and lifetime measurements in atomic and high energy physics, experiments that involve laser ranging and electronic research involving the testing of integrated circuits and high-speed data transfer.