Frequency Read-Out - BRUEL & KJAER 2010 Instructions And Applications

10.3 FREQUENCY READ-OUT
Accuracy of Frequency Scale:
Linear scale:
Logarithmic scale:
Frequency Increment Range:
Linear scale:
Logarithmic:
Frequency Stability:
Low end of scale
Scale 2Hz 20Hz
Lin 0.05 Hz 0.5 Hz
Log
0.05 Hz 0.5 Hz
Sensitivity of VCO:
Full scale sweep:
Lin Scale x 0. 1:
Lin scale x 1:
Lin scale x 10:
Log scale:
Linearity of VCO:
Frequency Counter:
Accuracy:
98
0.3% of scale range.
3% of reading
+
25 ppm of scale range.
± 1% of scale range.
±7% of scale reading or 0.1 octave.
Measured over 8 hours after 1 hour
warm-up.
High end of scale
200Hz 2kHz 20kHz 200kHz
5Hz 0.5 Hz 5Hz 50 Hz
5Hz 4Hz 40Hz 400Hz
0 to 10 V DC.
0.2 kHz/V.
2 kHz/V.
20 kHz/V.
0.3 decade/V corresponding to 1 oc-
tave/V.
0.03%.
Six digits.
± 1 on last digit+ 20 ppm of tuning fre-
quency.