Ratio Meter Circuit Diagrams

ratio-meter-circuit-diagrams
Ratio Meter Circuit Diagrams

Ratio Meter Circuit

Many times, it is necessary to measure the ratio between two different frequencies, instead of measuring just the absolute value of a single frequency. 

The ratio meter featured here compares two frequencies, and displays the ratio between them. 

The higher frequency source is connected to SIGNAL IN 1 (f1) terminal, while the lower frequency source is connected to SIGNAL IN 2 (f2) terminal. 

The result is displayed digitally by LD1,LD2, and LD3. The measured ratio value that can be displayed is up to 99.9.

The heart of the circuit is a MK50398 divider IC. The displayed value is exactly the quotient of f1/f2.

ratio-meter-circuit-diagrams

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