7.3 Performance tests
7-6
WF1945B
Amplitude accuracy
Connection:
Use coaxial cable to connect FUNCTION OUT to AC voltmeter 1.
Setting:
After setting initialize, set the amplitude, output range and waveform as indicated in
the following table.
Measurement:
Measure the true rms output voltage for each waveform.
Judgment:
The normal ranges are indicated in the table.
Waveform Output range
Setting
Normal range
10 V
20 Vp-p/open (7.071 Vrms/open)
7.004 to 7.138 Vrms
,
,
10 V
20 Vp-p/open ( 5.774 Vrms/open)
5.719 to 5.828 Vrms
10 V
20 Vp-p/open ( 10.00 Vrms/open)
9.905 to 10.095 Vrms
10 V
10 Vp-p/open ( 3.536 Vrms/open)
3.493 to 3.578 Vrms
10 V
5 Vp-p/open (1.768 Vrms/open)
1.738 to 1.798 Vrms
10 V
2 Vp-p/open (0.707 Vrms/open)
0.684 to 0.730 Vrms
1 V
2 Vp-p/open (0.7071 Vrms/open)
0.699 to 0.716 Vrms
DC offset accuracy
Connection:
Connect FUNCTION OUT to a DC voltmeter.
Setting:
After setting initialize, set the DC mode, output range and DC offset as indicated in
the following table.
Measurement:
Measure the output voltage.
Judgment:
The normal ranges are indicated in the table.
Output range
DC offset setting
Normal range
10 V
±
10.000 V/open
±
9.880 to
±
10.12 V
10 V
±
5.000 V/open
±
4.905 to
±
5.095 V
10 V
±
2.000 V/open
±
1.920 to
±
2.080 V
10 V
±
1.000 V/open
±
0.925 to
±
1.075 V
10 V
0.000 V/open
−
0.070 to +0.070 V
1 V
±
1.0000 V/open
±
0.985 to
±
1.015 V
1 V
0.0000 V/open
−
0.010 to +0.010 V
Summary of Contents for WF1945B
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Page 3: ...DA00012505 002 WF1945B MULTIFUNCTION SYNTHESIZER Instruction Manual...
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Page 100: ...4 2 Sweep 4 38 WF1945B Sweep value and Z MARKER SYNC X DRIVE outputs is approx 100 to 125 s...
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