What measurement resolution can be achieved (under construction)

Signals of different amplitude (mV) and frequency (mHz) were measured with PhyLink hardware to investigate which can be successfully analysed in real conditions (with background noise).

Key to colours Measurable On edge Unreliable

Click on “Measure X mHz” in coloured box to see graphs/details of individual measurements

Sketch V10 with input voltage range ±2.048 V (9600 baud)

Amplitude of

input signal

Frequency of 

input signal

1mHz

Frequency of

input signal

10mHz

Frequency of 

input signal

20mHz

Frequency of 

input signal

100mHz

0.1mV Not measure
1mV Measure  ~0.9mHz
10mV Measure ~10mHz
100mV
1000mV

Sketch V18 with input voltage range ± 256 mV  (1200 baud)

Amplitude of

input signal

Frequency of 

input signal

1mHz

Frequency of

input signal

10mHz

Frequency of 

input signal

20mHz

Frequency of 

input signal

100mHz

0.1mV Measure ~0.85mHz Measure ~8.8mHz Measure ~17.6mHz
1mV Measure ~0.98mHz Measure ~9.3mHz
10mV Measure ~0.98mHz Measure ~10mHz
100mV Measure ~0.98mHz
1000mV

Sketch V20 with input voltage range ± 256 mV averaged over 10 values (1200 baud)

Amplitude of

input signal

Frequency of 

input signal

1mHz

Frequency of

input signal

10mHz

Frequency of 

input signal

100mHz

Frequency of 

input signal

1Hz

0.1mV Measure ~1mHz Measure ~100mHz
1mV
10mV Measure ~1.14Hz
100mV
1000mV