PulseBlasterDDS-I-300
Register Bank
Number of registers
Frequency
16
2
Phase
16
3
Table 2:
Frequency Register information.
Relevant SpinAPI functions:
pb_start_programming()
pb_set_phase()
pb_set_freq()
pb_stop_programming()
Sample Output
Figure 5, below, shows an example RF 70 MHz output pulse that was generated by the board. The data was captured
using a Tektronix TDS224 oscilloscope. Notice the time base of 25 ns/division.
2
Firmware design 10-16 has been modified to have 1024 frequency registers.
3
Firmware design 10-16 has been modified to have 4 available TX phase registers.
http://www.spincore.com
12
2017-11-14
Figure 5:
185 ns 70 MHz RF/IF output pulse.