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): 22/80頁
文件大小: 1998K
代理商: AD6653
AD6653
Rev. 0 | Page 22 of 80
0
–120
–100
–80
–60
–40
–20
–90
–78
–66
–54
–42
–30
–18
–6
S
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
IMD3 (dBc)
SFDR (dBFS)
IMD3 (dBFS)
0
Figure 37. AD6653-150 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
IN
) with
f
IN1
= 169.12 MHz, f
IN2
= 172.12 MHz, f
S
= 150 MSPS, f
NCO
= 177 MHz
0
–20
–40
–60
–80
–100
–120
–140
0
5
10
15
20
25
30
0
A
FREQUENCY (MHz)
Figure 38. AD6653-125, Two 64k WCDMA Carriers with f
IN
= 170 MHz,
f
S
= 122.88 MHz, f
NCO
= 168.96 MHz
0
–20
–40
–60
–80
–100
–120
–140
0
35
0
5
30
25
20
15
10
5
A
FREQUENCY (MHz)
150MSPS
29.12MHz @ –7dBFS
32.12MHz @ –7dBFS
SFDR = 91.1dBc (98.1dBFS)
f
NCO
= 22MHz
Figure 39. AD6653-150 Two-Tone FFT with f
IN1
= 29.12 MHz, f
IN2
= 32.12 MHz,
f
S
= 150 MSPS, f
NCO
= 22 MHz
0
–20
–40
–60
–80
–100
–120
–140
0
3
30
25
20
15
10
5
A
FREQUENCY (MHz)
150MSPS
169.12MHz @ –7dBFS
172.12MHz @ –7dBFS
SFDR = 83.6dBc (90.6dBFS)
f
NCO
= 177MHz
0
Figure 40. AD6653-150 Two-Tone FFT with f
IN1
= 169.12 MHz,
f
IN2
= 172.12 MHz, f
S
= 150 MSPS, f
NCO
= 177 MHz
0
–20
–40
–60
–80
–100
–120
0
37.5
30.0
22.5
15.0
FREQUENCY (MHz)
7.5
A
NPR = 61.9dBc
NOTCH @ 18.5MHz
NOTCH WIDTH = 3MHz
0
Figure 41. AD6653-150 Noise Power Ratio (NPR)
95
90
85
80
75
70
65
60
0
150
125
100
75
50
SAMPLE RATE (MSPS)
25
S
SFDR
SNR
0
Figure 42. AD6653-150 Single-Tone SNR/SFDR vs. Sample Rate (f
S
) with
f
IN
= 2.3 MHz
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