Electric counter circuit
A technology of electronic counters and counters, which is used in instruments, electrical components, and electrical unknown time interval measurement, etc., can solve the problems of increased counting resolution and increased power consumption of clock signal generators.
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[0022] exist figure 1 A first embodiment of a clock generator in the form of a ring oscillator 1 is shown in . The ring oscillator 1 generates a first clock signal 21 , a second clock signal 22 , a third clock signal 23 and a fourth clock signal 24 . figure 2 The four clock signals 21-24 shown in are pulse signals and have the same cycle period T and the same fundamental frequency respectively. The ring oscillator 1 includes a first delay element 2 , a second delay element 3 , a first inverter 4 , a second inverter 5 and a third inverter 6 . The first clock signal 21 appears at the output of the first inverter 4 which is connected to the input of the first delay element 2 . The first delay element 2 delays the first clock signal 21 by a fixed time period T / 4, corresponding to a phase shift of 90°. A second clock signal 22 is present at the output of the first delay element 2 . A second delay element 3 connected downstream of the first delay element 2 delays the second clo...
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