參數(shù)資料
型號(hào): AD6653
廠商: Analog Devices, Inc.
英文描述: IF Diversity Receiver
中文描述: IF分集接收機(jī)
文件頁數(shù): 19/80頁
文件大?。?/td> 1998K
代理商: AD6653
AD6653
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 1.8 V, sample rate = 150 MSPS, DCS enabled, 1.0 V internal reference, 2 V p-p differential
input, VIN = 1.0 dBFS, 64k sample, T
A
= 25°C, NCO enabled, FIR filter enabled, unless otherwise noted. In the FFT plots that follow,
the location of the second and third harmonics is noted when they fall in the pass band of the filter.
Rev. 0 | Page 19 of 80
30
25
20
15
10
5
A
FREQUENCY (MHz)
0
–20
–40
–60
–80
–100
–120
–140
0
35
150MSPS
2.4MHz @ –1dBFS
SNR = 70.9dBc (71.9dBFS)
SFDR = 83.2dBc
f
NCO
= 18.75MHz
SECOND HARMONIC
THIRD HARMONIC
0
30
25
20
15
10
5
A
FREQUENCY (MHz)
Figure 19. AD6653-150 Single-Tone FFT with f
IN
= 2.4 MHz, f
NCO
= 18.75 MHz
0
–20
–40
–60
–80
–100
–120
–140
0
35
150MSPS
30.3MHz @ –1dBFS
SNR = 71.0dBc (72.0dBFS)
SFDR = 92.3dBc
f
NCO
= 24MHz
0
THIRD HARMONIC
30
25
20
15
10
5
A
FREQUENCY (MHz)
Figure 20. AD6653-150 Single-Tone FFT with f
IN
= 30.3 MHz, f
NCO
= 24 MHz
0
–20
–40
–60
–80
–100
–120
–140
0
35
0
0
–20
–40
–60
–80
–100
–120
–140
0
35
SECOND HARMONIC
30
25
20
15
10
5
A
FREQUENCY (MHz)
150MSPS
140.1MHz @ –1dBFS
SNR = 70.6dBc (71.6dBFS)
SFDR = 82.9dBc
f
NCO
= 126MHz
THIRD HARMONIC
0
0
–20
–40
–60
–80
–100
–120
–140
0
35
30
25
20
15
10
5
A
FREQUENCY (MHz)
150MSPS
70.1MHz @ –1dBFS
SNR = 70.8dBc (71.8dBFS)
SFDR = 82.9dBc
f
NCO
= 56MHz
Figure 21. AD6653-150 Single-Tone FFT with f
IN
= 70.1 MHz, f
NCO
= 56 MHz
Figure 22. AD6653-150 Single-Tone FFT with f
IN
= 140.1 MHz, f
NCO
= 126 MHz
150MSPS
220.1MHz @ –1dBFS
SNR = 70.0dBc (71.0dBFS)
SFDR = 80.9dBc
f
NCO
= 205MHz
THIRD HARMONIC
0
0
–20
–40
–60
–80
–100
–120
–140
0
35
30
25
20
15
10
5
A
FREQUENCY (MHz)
Figure 23. AD6653-150 Single-Tone FFT with f
IN
= 220.1 MHz, f
NCO
= 205 MHz
150MSPS
332.1MHz @ –1dBFS
SNR = 69.4dBc (70.4dBFS)
SFDR = 91.2dBc
f
NCO
= 321.5MHz
0
Figure 24. AD6653-150 Single-Tone FFT with f
IN
= 332.1 MHz,
f
NCO
= 321.5 MHz
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