Agilent Technologies 8648A

8-44
Performance Tests
FSK Deviation Accuracy Performance Test (Option 1EP Only)
Table 8-2. FSK Deviation Accuracy Work Table
Symbol
1
Marker
Value
2
Desired
Deviation
3 = 1 − 2
Deviation
Error
Symbol
1
Marker
Value
2
Desired
Deviation
3 = 1 − 2
Deviation
Error
Frequency = 155 MHz, FSK mode = 1200/2
Symbol rate = 1200 sym/sec, Span = 20 kHz
Frequency = 280 MHz, FSK mode = 1200/2
Symbol rate = 1200 sym/sec, Span = 20 kHz
0 _______kHz −4.8 kHz _______kHz 0 _______kHz −4.8 kHz _______kHz
1 _______kHz 4.8 kHz _______kHz 1 _______kHz 4.8 kHz _______kHz
2 _______kHz −4.8 kHz _______kHz 2 _______kHz −4.8 kHz _______kHz
3 _______kHz 4.8 kHz _______kHz 3 _______kHz 4.8 kHz _______kHz
4 _______kHz −4.8 kHz _______kHz 4 _______kHz −4.8 kHz _______kHz
5 _______kHz 4.8 kHz _______kHz 5 _______kHz 4.8 kHz _______kHz
6 _______kHz −4.8 kHz _______kHz 6 _______kHz −4.8 kHz _______kHz
7 _______kHz 4.8 kHz _______kHz 7 _______kHz 4.8 kHz _______kHz
8 _______kHz −4.8 kHz _______kHz 8 _______kHz −4.8 kHz _______kHz
9 _______kHz 4.8 kHz _______kHz 9 _______kHz 4.8 kHz _______kHz
Average = Sum (3) ÷ 10 _______kHz Average = Sum (3) ÷ 10 _______kHz
Frequency = 155 MHz, FSK mode = 6400/4
Symbol rate = 3200 sym/sec, Span = 50 kHz
Frequency = 280 MHz, FSK mode = 6400/4
Symbol rate = 3200 sym/sec, Span = 50 kHz
0 _______kHz 4.8 kHz _______kHz 0 _______kHz 4.8 kHz _______kHz
1 _______kHz 1.6 kHz _______kHz 1 _______kHz 1.6 kHz _______kHz
2 _______kHz −4.8 kHz _______kHz 2 _______kHz −4.8 kHz _______kHz
3 _______kHz −1.6 kHz _______kHz 3 _______kHz −1.6 kHz _______kHz
4 _______kHz 4.8 kHz _______kHz 4 _______kHz 4.8 kHz _______kHz
5 _______kHz 1.6 kHz _______kHz 5 _______kHz 1.6 kHz _______kHz
6 _______kHz −4.8 kHz _______kHz 6 _______kHz −4.8 kHz _______kHz
7 _______kHz −1.6 kHz _______kHz 7 _______kHz −1.6 kHz _______kHz
8 _______kHz 4.8 kHz _______kHz 8 _______kHz 4.8 kHz _______kHz
9 _______kHz 1.6 kHz _______kHz 9 _______kHz 1.6 kHz _______kHz
Average = Sum (3) ÷ 10 _______kHz Average = Sum (3) ÷ 10 _______kHz