Information about Frequency-to-Voltage Converters

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About Frequency-to-Voltage Converters

Frequency-to-voltage converters are electronic devices that convert current signal inputs to proportional voltage outputs. They include an operational amplifier for simple linear signal processing and a small resistor-capacitor (RC) network for removing frequency-dependent ripples. Frequency-to-voltage converters can receive AC and DC voltages, frequencies and pulses, and other specialized waveforms from devices such as encoders, tachometers, timers, relays and switches. Devices with integral filters allow some signal frequencies to pass while attenuating others. Devices with low pass filters allow signals that are below a cutoff frequency to pass while blocking signals that exceed the threshold. Frequency-to-voltage converters with programmable filters are also available.

Products & Services Related to Frequency-to-Voltage Converters

Current Loop Converters

Current loop converters convert an analog or digital signal to a current loop output such as 4-20 mA or 0-20 mA.

Current-to-Voltage Converters

Current-to-voltage converters scale and convert current signal input to the desired output voltage range.

Data Acquisition I/O Modules

Data acquisition I/O modules or cards have both input and output functionality. Digital or discrete I/O modules include on-off signals used in communication, user interface, or control.

Data Acquisition Output Modules

Data acquisition output modules or cards transfer amplified, conditioned, or digitized signals.

LVDT and RVDT Signal Conditioners

Linear variable differential transformer (LVDT) and rotary variable differential transformer (RVDT) signal conditioners are devices that translate the linear or rotary movement of a ferromagnetic armature into an AC voltage that is proportional to the armature position.

Sensor Transmitters

Sensor transmitters are measurement or signal conditioning packages that provide a standard, calibrated output from a sensor or transducer in the form of a current loop output (e.g., 4-20 mA).

Voltage Converters and Voltage Inverters

Voltage converters and voltage inverters accept voltage input and provide a scaled voltage output. Conversion types include scaling up a low-level signal, voltage doubling, and inversion (converting a positive voltage to negative and vice versa).