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DAC3154 Datasheet PDF : 46 Pages
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DAC3154
DAC3164
SLAS960 – MAY 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
All plots are at 25°C, nominal supply voltages, fDAC = 500MSPS, 50% clock duty cycle, 0-dBFS input signal and 20mA full-
scale output current (unless otherwise noted).
10
10
0
fDAC = 500 MSPS
0
fDAC = 500 MSPS
fout = 20 MHz
fout = 70 MHz
−10
Tone spacing = 1 MHz
−10
Tone spacing = 1 MHz
−20
−20
−30
−30
−40
−40
−50
−50
−60
−60
−70
−70
−80
−80
−90
−90
−100
15
17
19
21
23
25
Frequency (MHz)
G038
Figure 38. DAC3164 Two-Tone Spectral Plot (IF = 20MHz)
−100
65
67
69
71
73
75
Frequency (MHz)
G039
Figure 39. DAC3164 Two-Tone Spectral Plot (IF = 70MHz)
Ref -10 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-20
-30
1 RM *
CLRWR
-40
-50
-60
-70
-80
-90
-100
A
NOR
3DB
Center 70 MHz
4.08 MHz/
Span 40.8 MHz
Standard: W-CDMA 3GPP FWD
Tx Channels
Ch1 (Ref)
Ch2
Ch3
-18.70 dBm
-18.69 dBm
-18.77 dBm
Adjacent Channel
Lower
-70.74 dB
Upper
-70.87 dB
Alternate Channel
Lower
-70.86 dB
Upper
-70.84 dB
Ch4
-18.75 dBm
Total
-12.71 dBm
Figure 40. DAC3164 ACPR Four-Carrier
WCDMA Test Mode 1
Ref -10 dBm
-20
-30
1 RM *
CLRWR
-40
-50
-60
-70
-80
-90
-100
Center 70 MHz
Tx Channel
Bandwidth
Adjacent Channel
Bandwidth
Spacing
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
A
1.55 MHz/
3.84 MHz
3.84 MHz
5 MHz
Power
Lower
Upper
NOR
3DB
Span 15.5 MHz
W-CDMA 3GPP FWD
-10.70 dBm
-77.84 dB
-77.14 dB
Figure 41. DAC3164 ACPR Single-Carrier
WCDMA Test Mode 1
Ref -20 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
1 RM *
CLRWR
-50
-60
-70
-80
-90
-100
-110
A
NOR
3DB
Center 70 MHz
2.92827419 MHz/
Span 29.2827419 MHz
Tx Channel
Bandwidth
9.015 MHz
Power
E-UTRA/LTE Square
-12.37 dBm
Adjacent Channel
Bandwidth
9.015 MHz
Lower
-73.67 dB
Spacing
10 MHz
Upper
-73.46 dB
Figure 42. DAC3164 ACPR LTE 10-MHz FDD E-TM 1.1
Ref -20 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
1 RM *
CLRWR
-50
-60
-70
-80
-90
-100
-110
A
NOR
3DB
Center 70 MHz
5.855034538 MHz/
Span 58.55034538 MHz
Tx Channel
Bandwidth
18.015 MHz
Power
E-UTRA/LTE Square
-11.20 dBm
Adjacent Channel
Bandwidth
Spacing
18.015 MHz
20 MHz
Lower
Upper
-70.91 dB
-70.66 dB
Figure 43. DAC3164 ACPR LTE 20-MHz FDD E-TM 1.1
20
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