Tuesday, August 26, 2014

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Simple F and V Converter Wiring diagram Schematic

This is a best Frequency/Voltage Converter schema diagram proportional voltage by the use of a frequency-to-voltage (F/V) converter. Teledyne Semiconductor`s Type TSC9402 is a versatile IC. Not only can it convert voltage into frequency, but also frequency into voltage. It is thus eminently suitable for use in an add-on unit for measuring frequencies with a multimeter. 

 Best F and V Converter Circuit Diagram


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Only a few additional components are required for this.. Just one calibration point sets the center of the measuring range (or of that part of the range that is used most frequently). The frequency-proportional direct voltage at the output (pin 12—amp out) contains interference pulses at levels up to 0.7 V. If these have an adverse effect on the multimeter, they can be suppressed with the aid of a simple RC network. 

The output voltage, U0, is calculated by: tfo=C/rei(Ci + 12 pF) R2fm Because the internal capacitance often has a greater value than the 12 pF taken here, the formula does not yield an absolute value. The schema has a frequency range of dc to 10 kHz. At 10 kHz, the formula gives a value of 3.4 V. The schema draws a current of not more than 1 mA. 

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