User`s manual

Chapter 4
Sweeping and Frequency-Shift Keying
Chapter Contents
This chapter covers the sweeping, frequency list, and frequency-shift keying
(FSK) features of the Agilent E1445A 13-Bit Arbitrary Function Generator
(called the “AFG”). The chapter is organized as follows:
• FSK Programming Flowchart . . . . . . . . . . . . . . . . . . . . . . . . Page 118
- FSK Command Reference. . . . . . . . . . . . . . . . . . . . . . . . . . Page 120
• Sweeping and Frequency Lists . . . . . . . . . . . . . . . . . . . . . . . Page 120
- Sweeping Using Start and Stop Frequencies . . . . . . . . . . . Page 121
- Specifying a Frequency List . . . . . . . . . . . . . . . . . . . . . . . . Page 124
- Sweeping Using Start and Span Frequencies . . . . . . . . . . . Page 127
- Frequency Lists Using Definite and Indefinite Length
Arbitrary Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 130
- Logarithmic Sweeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 133
- Sweep Points Versus Time . . . . . . . . . . . . . . . . . . . . . . . . . Page 135
- Frequency Lists Versus Time . . . . . . . . . . . . . . . . . . . . . . . Page 138
- Sweeping Arbitrary Waveforms . . . . . . . . . . . . . . . . . . . . . Page 141
- AC Output Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 144
• Frequency-Shift Keying. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 147
- FSK Using the “FSK” Control Source . . . . . . . . . . . . . . . . Page 147
- FSK Using the TTLTrg<n> Control Source . . . . . . . . . . . . Page 150
- FSK Using an Arbitrary Waveform . . . . . . . . . . . . . . . . . . Page 152
• Sweeping and FSK Program Comments . . . . . . . . . . . . . . . . Page 154
- Reference Oscillator Sources . . . . . . . . . . . . . . . . . . . . . . . Page 154
- Sample Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 154
- AFG Frequency Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 155
- Frequency Range: Sweeping and Sampling . . . . . . . . . . . . Page 155
- Frequency Range: Frequency Lists and FSK . . . . . . . . . . . Page 155
- Sweep Count and Frequency List Repetition
Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 156
- Arbitrary Block Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 156
- Frequency Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 157
- Sweep Spacing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 157
- Sweep Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 157
- Sweep Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 158
- Output Frequency and Sample Rate . . . . . . . . . . . . . . . . . . Page 160
- AC Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 160
- FSK Control Sources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 161
- Frequency-Shift Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 162
- Driving the TTLTrg<n> Trigger Lines . . . . . . . . . . . . . . . . Page 162
Chapter 4 Sweeping and Frequency-Shift Keying 117