16
Create Patterns and program CGAP memories
2/3
(a) Select the number
N of samples
(b) The Data Frequency is automatically preset from the
Global clock
value and the
interpolation factor
(c) Specify the
Frequency
of the first tone (Hz)
(d) Specify the
Amplitude
of the first tone (dBFS)
(e) Click ‘
Two Tones
’ if needed
(f) Specify the
Frequency
of the second tone (Hz)
(g) Specify the
Amplitude
of the second tone (dBFS)
Press
‘Create Patterns’
button to generate the signal (I and Q patterns are
generated at the same time)
Press ‘
Load in Memory
’ button to load the pattern files to the CGAP board
memories.
Summary of Contents for DAC1627D
Page 1: ...1 DAC1627D Demo boards Quick Start v2...
Page 9: ...CLOCKS generation Global Clock and LO 9 Spectrum measurement Bench overview...
Page 10: ...10 IDT DAC1627 SPI Software...
Page 12: ...CGAP board control panel overview 12...
Page 15: ...Create Patterns and program CGAP memories 1 3 15 Select the Create Patterns tab...
Page 21: ...DAC controls panel overview 21...
Page 32: ...Test 32...
Page 33: ...Registers 33 All the registers pages could be read and save from the Registers tab...
Page 35: ...35 Spectral measurements How to correctly setup your spectrum analyzer...
Page 42: ...42 Spectral measurements Understand OIP3 IMD3 after IQModulator...
Page 45: ...BGX7100 OIP3 45 OIP3 value is about 26dBm for 2GHz LO frequency...
Page 46: ...Intermodulation see at DAC outputs 46 No intermodulation after DAC...
Page 48: ...48 Standard Filter between DAC1627D and BGX7100...
Page 50: ...Filter response 50...