Keysight U8903B, Руководство по обслуживанию

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Performance Verification for Digital Generator and Digital Analyzer 4
Keysight U8903B Service Guide 69
– Channel 2 vertical axis unit: Volt
– Input channel 1 and 2: Enable
– Function 1 to subtract channel 1 and channel 2
– Function 1: Enable
– Function 1 offset: 0
3 Configure the U8903B digital output channel to be tested as follows:
– Digital output type: Balanced
– Digital output voltage: 2.5 V
– Digital output sampling rate: 48 kHz
– Digital output AES audio resolution: 24 bits
– AES output: ON
– Digital output function: SINE waveform
– SINE waveform frequency: 1 kHz
– SINE waveform amplitude: 1 FFS
– Digital output state: ON
4 Set the digital output sampling rate to F
SR
as given in “ Test record for balanced output
level accuracy verification ” on page 141 .
5 Set the digital output level to V
DUT
as given in “ Test record for balanced output level
accuracy verification ” on page 141 .
6 Configure the DSO8064A oscilloscope as follows:
– Time base scale: 1 / (Sampling rate
×
32
×
2)
– Channel 1 and channel 2 vertical scale value: refer to Table 4-4
– Function 1 vertical scale range value: refer to Table 4-4
– Function 1 offset: 0
Table 4-4 Channel 1 and channel 2 vertical scale and vertical scale range
V
DUT
(V)
CH1 and CH2 voltage per division (V) Function 1 vertical scale range (V)
0.3 0.025 0.4
0.5 0.0425 0.68
0.8 0.075 1.2
1 0.085 1.36
1.2 0.1 1.6
1.3 0.125 2
1.5 0.125 2