Fylde UK - Signal Conditioning Systems - Applications

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Fylde Electronic Laboratories Ltd: Frequency Measurement.

Generally referred to as frequency to voltage conversion, the principal features of frequency measurement are as follows:

Detection of input frequency signal from optical or magnetic pick up or other transducer.
Rejection of noise (often referred to as false triggering).
Configurable speed of response to change of signal frequency. (filtering)
Accuracy of measurement. (timing accuracy)

Frequency to Voltage Modules

Note that the FE-578-TT and FE-570-FV are ordered with a customer specified full scale frequency. The FE-396-FV has a number of jumper selectable frequency ranges from 50 Hz to 20 kHz

The FE-396-FV is a Micro Analog 2 module which can be connected by USB to make a frequency data acquisistion system. Free FYLDE MADAQ software is supplied with all USB systems.

FE-570-FV	A single channel module with precise accuracy of measurement. This is an averaging frequency to voltage converter and should be used when speed of response to change of signal frequency is less important than absolute accuracy.
FE-578-TT	A single channel module with an instantaneous response to change of input frequency. This module needs only two cycles of the input frequency to produce the output voltage. It should be used when rapidly changing frequencies need to be measured.
FE-396-FV	This is a two channel module in the micro-analog 2 style. It uses on board jumpers to select both the full scale frequency and the speed of response. It is an extremely versatile module combining low cost, accuracy, and speed of response

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