Tabor Electronics 5064, Руководство пользователя

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2074
User Manual
6-10
Table 6-8, Sinewave Spectral Purity
2074 Freq Reading Spectrum Analyzer, Settings & Results
Settings Limits Start Stop CH1 CH2 CH3 CH4 Pass Fail
10 MHz >45 dBc 1 MHz 100 MHz
50 MHz >30 dBc 10 MHz 200 MHz
80 MHz >25 dBc 10 MHz 200 MHz
Sinewave Flatness
Equipment: Oscilloscope
Preparation:
1. Configure the Oscilloscope follows:
Termination: 20 dB, 50
Ω
feedthrough attenuator at the
oscilloscope input
Setup: As required for the test
2. Connect 2074 Channel outputs to the oscilloscope input
3. Configure the 2074 as follows:
Amplitude: 6 V
Output: On
Frequency:
Initially, 1 kHz then, as required by the test
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
2074 Sine Oscilloscope Reading
Frequency Error Limits CH1 CH2 CH3 CH4 Pass Fail
1 MHz 6 Divisions Reference X X
10 MHz 6 ±0.3 Divisions
50 MHz 6 ±0.4 Divisions
80 MHz 6 ±0.4 Divisions