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3151 And 3151A User Manual
Maintenance and Performance Checks 5-10
Sine
Characteristics
Specified Total Harmonic Distortion: <0.1% from 10.00Hz to
100.0KHz (with a 4000 point waveform).
Specified Harmonic Signals:
<5MHz, <10Vp-p, -50dBc
<5MHz, <16Vp-p, -45dBc
<10MHz, <10Vp-p, -40dBc
<10MHz, <16Vp-p, -35dBc
<50MHz, <10Vp-p, -28dBc
<50MHz, <16Vp-p, -23dBc
Equipment: Krohn-Hite 6900 (or equivalent) Distortion Analyzer, RF
Spectrum Analyzer, 50
Ω
feedthrough termination (or 20dB 50
Ω
attenuator if required).
1. Connect the Model 3151 output to distortion analyzer input.
2. Set the distortion analyzer to distortion measurements, set the
Model 3151 frequency setting, and verify the distortion reading
as below.
3. Configure the Model 3151 as follows:
Function:
USER Waveform
Frequency:
10.00Hz
Amplitude:
5V
Remote Commands :
:RES
:OUTP ON
:FUNC:MODE USER
:TRAC:DEF 4000
:TRAC:SEL 1
:FREQ:RAST 40e3
:VOLT5
Using WaveCAD, change the axis (Setup | Axis) to have 4000 points
(0 to 3999) for the first 4 steps below and 1000 points (0 to 999) for
step 5 below. Download a 1k or 4k sine waveform (Wave | Sine | OK)
into segment 1.
FREQ:RAST
# of Points
Frequency
Distortion Reading
40e3
4000
10Hz
< 0.1%
40e4
4000
100Hz
< 0.1%
40e5
4000
1kHz
< 0.1%
40e6
4000
10kHz
< 0.1%
100e6
1000
100kHz
< 0.1%
Revised 7/25/00
Summary of Contents for 3151
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