DFR0507

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The DFR0507, or Digital Frequency readout, is a general-purpose frequency-to-voltage (F/V) converter that can be used to measure frequency or count up to 10 kHz required in a wide variety of applications, from turbine flow measurement to levitation applications. With its 0.5-volt DC excitation and 5V/DAC output, it is suitable for a range of applications in industrial, communication, and measurement applications. This article will cover its applications and working principle.

Application Field

The DFR0507 is used in a variety of applications such as turbine flow, radar guidance, pulse width accelerometers, as well as industrial and communication systems. Its frequency-to-voltage conversion capability is used in applications such as turbine flow measurement, acoustic flow measurement, and ship speed measurement. Its 5V/DAC output makes it an excellent choice for pulse width accelerometers, as well as pulse width modulation (PWM) applications.

Apart from industrial applications, the DFR0507 can be used in communication systems. Its low power requirements and high accuracy makes it an ideal choice for remote sensing and telemetry applications. Additionally, its 0.5V DC excitation ensures that the response time of the transducer remains independent of the distance between the transducer and the sensing device.

Working Principle

The DFR0507 utilizes a hybrid technique to convert frequency to voltage. A resistor transformation ratio in conjunction with an operational amplifier is used to convert the frequency signal into an analog voltage. This voltage is further processed by a voltage comparator and a sample and hold circuit. The output of the comparator passes through a peak detector which is then used to determine the peak voltage value.

The peak voltage is then fed to the sample and hold circuit which stores the peak value and then compares it with a predetermined reference value. When the two voltage values match, the output will be in the form of a voltage signal. This voltage signal is then converted into a frequency signal and can be processes by any frequency-to-voltage converter.

By using the hybrid technique described above, the DFR0507 is able to provide accurate and continuous readings up to 10 kHz. Also, it has the ability to measure frequency with a resolution of 2.5 parts-per-million (PPM). Additionally, the voltage output of the DFR0507 is adjustable, from 0 to 10 V, allowing for further conversions if required.

Conclusion

The DFR0507 is a versatile frequency-to-voltage (F/V) converter, capable of providing accurate and continuous readings up to 10 kHz. Its 0.5V DC excitation and adjustable voltage output makes it suitable for a range of industrial, communication, and measurement applications. Additionally, its use of a hybrid technique ensures accurate measurements regardless of the distance between the transducer and the sensing device.

The specific data is subject to PDF, and the above content is for reference