Description: 1) capable of measuring the frequency of the sine wave, triangle wave, sawtooth wave, rectangular wave periodic signal 2) the direct use of decimal digits to display the measured frequency 3) Frequency measuring range: 1HZ ~ 10KHZ cut range can be automatically switched a) input signal amplitude range of 0.5 ~~ 5V requirements with automatic adaptation 5) Measurement time: T < = 1.5S 6) CPLD/FPGA programmable logic devices
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