Sinewave Flatness - Tabor Electronics 5064 User Manual

2074
User Manual
2074 Freq Reading
Settings Limits
10 MHz >45 dBc
50 MHz >30 dBc
80 MHz >25 dBc

Sinewave Flatness

2074 Sine
Frequency
1 MHz
10 MHz
50 MHz
80 MHz
6-10
Table 6-8, Sinewave Spectral Purity
Spectrum Analyzer, Settings & Results
Start Stop
1 MHz 100 MHz
10 MHz 200 MHz
10 MHz 200 MHz
Equipment: Oscilloscope
Preparation:
1. Configure the Oscilloscope follows:
Termination:
Setup:
2. Connect 2074 Channel outputs to the oscilloscope input
3. Configure the 2074 as follows:
Amplitude:
Output:
Frequency:
Test Procedure
1. Adjust the vertical controls of the Oscilloscope to get 6 division
of display
2. Perform Sine flatness tests on all channels using Table 6-9
Table 6-9, Sinewave Flatness
Error Limits CH1
6 Divisions
6 ±0.3 Divisions
6 ±0.4 Divisions
6 ±0.4 Divisions
CH1 CH2 CH3
20 dB, 50 Ω feedthrough attenuator at the
oscilloscope input
As required for the test
6 V
On
Initially, 1 kHz then, as required by the test
Oscilloscope Reading
CH2 CH3 CH4
Reference
CH4 Pass Fail
Pass Fail
X X