With the low pass filter switched off, the velocity decoder behaves as a system ofWith the low pass filter switched off, the velocity decoder behaves as a system of
constant time delay up to approximately 60% of the maximum frequency of theconstant time delay up to approximately 60% of the maximum frequency of the
measurement range set, i.e. the phase shift is proportional to the frequency. Themeasurement range set, i.e. the phase shift is proportional to the frequency. The
phase shift depends, however, on the range settings.phase shift depends, however, on the range settings.
Maximum linearity error:Maximum linearity error: ±± 1% of rms. reading (one particular range)1% of rms. reading (one particular range)
±±2.5% of rms. reading (overall)2.5% of rms. reading (overall)
Linearity error is defined as the amplitude-dependent, relative deviLinearity error is defined as the amplitude-dependent, relative deviation of the scalingation of the scaling
factor referred to the nominal scaling factor under calibration conditions.factor referred to the nominal scaling factor under calibration conditions.
VelocityVelocity
decoderdecoder
Measurement rangeMeasurement range
Max. additional error referred to f = 1kHzMax. additional error referred to f = 1kHz
PLL-DCPLL-DC
11
11
The measurement ranges of this decoder can be used from the frequency 0Hz (full DC capability).The measurement ranges of this decoder can be used from the frequency 0Hz (full DC capability).
11 00
1515
HzHz
kHzkHz
--
--
1515
2020
kHkHzz ::
kHkHzz ::
±±
0.1dB0.1dB
++
0.1dB/0.1dB/
−−
0.25dB0.25dB
5 5 aannd d 2255 00
2020
HzHz
kHzkHz
--
--
2020
5050
kHkHzz ::
kHkHzz ::
±±
0.1dB0.1dB
±±0.2dB0.2dB
OOVVDD--0044 1100 00..55
1010
2020
100100
HzHz
HzHz
kHzkHz
kHzkHz
--
--
--
--
1010
2020
100100
200200
HzHz ::
kHkHzz ::
kHkHzz ::
kHkHzz ::
±±0.5dB0.5dB
±±0.05dB0.05dB
++0.05dB/0.05dB/−−0.2dB0.2dB
++0.05dB/0.05dB/−−1dB1dB
2255, , 11225 5 aannd d 1 01 00000 00..55
1010
2020
100100
200200
HzHz
HzHz
kHzkHz
kHzkHz
kHzkHz
--
--
--
--
--
1010
2020
100100
200200
11
HzHz ::
kHkHzz ::
kHkHzz ::
kHkHzz ::
MMHHzz ::
±±0.5dB0.5dB
±±
0.05dB0.05dB
±±0.15dB0.15dB
±±0.3dB0.3dB
±±0.8dB0.8dB
22
22
PSV 300-F onlyPSV 300-F only
VelocityVelocity
decoderdecoder
MeasurementMeasurement
rangerange
Time delay (typ.)Time delay (typ.)
Specific phase roll-off pSpecific phase roll-off p
ss
(typ.)(typ.)
--HH, , --UU --FF --HH, , --UU --FF
µµss µµss °°//kkHHzz °°//kkHHzz
PPLLLL--DDCC 11 2244 2244 −−8.68.6 −− 8.68.6
55 77..11 77..11 −−2.62.6 −−2.62.6
2255 66..00 66..00 −− 2.22.2 −− 2.22.2
OOVVDD--0044 1100 66..11 66..11 −− 2.22.2 −− 2.22.2
2255 55..55 11..99 −− 2.02.0 −− 0.70.7
112255 55..55 11..99 −− 1.91.9 −− 0.70.7
11000000 33..55 00..99 −−1.31.3 −−0.330.33
mmmm
ss
--------------------
VV
mmmm
ss
--------------------
VV
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