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利用HA5024, HFA3102、HA5020、HA517
消耗积分:3 |
格式:rar |
大小:32 |
2009-06-05
王刚
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You need phase measurements to set up and verify
electronic devices in amplifiers and in audio, control,
ultrasound, and echo systems. Phase measurements can be
problematic, because not many simple, inexpensive phase
meters are available. Moreover, using an oscilloscope is time
consuming and imprecise. The phase meter described here
uses a standard voltmeter as an output device. It measures
the phase difference between two signals with better than
1% accuracy and it operates to 10MHz. It’s inexpensive to
build, and it’s simple to calibrate.
electronic devices in amplifiers and in audio, control,
ultrasound, and echo systems. Phase measurements can be
problematic, because not many simple, inexpensive phase
meters are available. Moreover, using an oscilloscope is time
consuming and imprecise. The phase meter described here
uses a standard voltmeter as an output device. It measures
the phase difference between two signals with better than
1% accuracy and it operates to 10MHz. It’s inexpensive to
build, and it’s simple to calibrate.
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