Gating switch applied to hard-bearing balancing machine measurement system
A measurement system and gate switch technology, applied in electronic switches, electrical components, pulse technology, etc., can solve the problems of user restrictions on manufacturers and increase the cost of manufacturers, and achieve the effects of solid stability, good linearity, and increased measurement range.
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[0014] see figure 1 , the present embodiment is that the signal acquisition end of the measuring system of the balancing machine is set in series with a multi-section attenuation circuit. The multi-section attenuation circuit is set in series with the resistance R and the gating circuit, and the gating circuit is based on the selection switch PIN8 with different resistance Each parallel branch of values R1, R2, R3 and R4 is selectively turned on.
[0015] In the specific implementation, the resistance values R1, R2, R3 and R4 of each parallel branch in the gating circuit are 1M, 2M, 4.7M and 10M respectively, and the output signal end of the gating switch is connected to the positive input end of the LF353. The reverse input terminal of LF353 is connected with the output terminal of LF353 to form an integrated operational amplifier circuit.
[0016] figure 1 Shown in is a feedback signal conditioning control circuit composed of a dial control and an integrated operationa...
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