AD9875
Typical AC Characteristics Curves for TxDAC (RSET = 4.02 k⍀, RDAC = 10.0 ⍀)
10
10
0
0
–10
–20
–10
–30
–20
–40
–30
–50
–60
–40
–70
–80
–90
–100
–1 0 1 2 3 4 5 6 7 8 9
FREQUENCY OFFSET – kHz
–50
–60
–70
3 5 7 9 11 13 15 17 19 21 23
FREQUENCY – MHz
TPC 13. Phase Noise Plot @ fDATA = 32 MSPS,
fOUT = 10 MHz, 4؋ LPF
TPC 15. “In Band” Multitone Spectral Plot
@ fDATA = 50 MSPS, fOUT = k ؋ 195 kHz, 2؋ LPF
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–1 0 1 2 3 4 5 6 7 8 9
FREQUENCY OFFSET – kHz
TPC 14. Phase Noise Plot @ fDATA = 50 MSPS,
fOUT = 10 MHz, 2؋ LPF
10
0
–10
–20
–30
–40
–50
–60
–70
3
11 21 31 41 51 61 71 81 91 101
FREQUENCY – MHz
TPC 16. “Wide-Band” Multitone Spectral Plot
@ fDATA = 50 MSPS, fOUT = k ؋195 kHz, 2؋ LPF
–10–
REV. 0