參數(shù)資料
型號: AD6655
廠商: Analog Devices, Inc.
英文描述: IF Diversity Receiver
中文描述: IF分集接收機
文件頁數(shù): 26/84頁
文件大?。?/td> 2012K
代理商: AD6655
AD6655
Rev. 0 | Page 26 of 84
120
0
–90
20
40
60
80
100
0
–10
–20
–30
–40
–50
–60
INPUT AMPLITUDE (dBFS)
–70
–80
S
SFDR (dBc)
SFDR (dBFS)
SNR (dBFS)
SNR (dBc)
85dB
REFERENCE LINE
0
Figure 31. AD6655-150 Single-Tone SNR/SFDR vs. Input Amplitude (A
IN
) with
f
IN
= 2.4 MHz, f
NCO
= 18.75 MHz
120
0
–90
20
40
60
80
100
0
–10
–20
–30
–40
–50
–60
INPUT AMPLITUDE (dBFS)
–70
–80
S
SFDR (dBc)
SFDR (dBFS)
SNR (dBFS)
SNR (dBc)
85dB
REFERENCE LINE
0
Figure 32. AD6655-150 Single-Tone SNR/SFDR vs. Input Amplitude (A
IN
) with
f
IN
= 98.12 MHz, f
NCO
= 100.49 MHz
95
90
85
80
75
70
65
60
0
450
400
350
300
250
200
150
INPUT FREQUENCY (MHz)
100
50
S
SFDR = +25°C
SFDR = +85°C
SFDR = –40°C
SNR = +25°C
SNR = +85°C
SNR = –40°C
0
Figure 33. AD6655-125 Single-Tone SNR/SFDR vs. Input Frequency (f
IN
) and
Temperature with DRVDD = 1.8 V
95
90
85
80
75
70
65
60
0
4
400
350
300
250
200
150
INPUT FREQUENCY (MHz)
100
50
S
SFDR = +25°C
SFDR = +85°C
SFDR = –40°C
50
SNR = +25°C
SNR = +85°C
SNR = –40°C
0
Figure 34. AD6655-125 Single-Tone SNR/SFDR vs. Input Frequency (f
IN
) and
Temperature with DRVDD = 3.3 V
–1.5
–4.0
–3.5
–3.0
–2.5
–2.0
0.5
0
0.1
0.2
0.3
0.4
–40
80
60
40
20
0
–20
G
O
TEMPERATURE (°C)
0
OFFSET
GAIN
Figure 35. AD6655-150 Gain and Offset vs. Temperature
0
–120
–100
–80
–60
–40
–20
–90
–78
–66
–54
–42
–30
–18
–6
S
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBFS)
IMD3 (dBc)
0
Figure 36. AD6655-150 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
IN
) with
f
IN1
= 29.12 MHz, f
IN2
= 32.12 MHz, f
S
= 150 MSPS, f
NCO
= 22 MHz
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