參數(shù)資料
型號: AD6652PCB
廠商: Analog Devices, Inc.
英文描述: 12-Bit, 65 MSPS IF to Baseband Diversity Receiver
中文描述: 12位,65 MSPS的IF到基帶分集接收機
文件頁數(shù): 30/76頁
文件大?。?/td> 1839K
代理商: AD6652PCB
AD6652
Rev. 0 | Page 30 of 76
FREQUENCY TRANSLATION (FOR EXAMPLE, SINGLE 1MHz CHANNEL TUNED TO BASEBAND)
AFTER FREQUENCY TRANSLATION
NCO TUNES SIGNAL TO BASEBAND
DC
SIGNAL OF INTEREST IMAGE
SIGNAL OF INTEREST
WIDEBAND INPUT SPECTRUM
WIDEBAND INPUT SPECTRUM (FOR EXAMPLE, 30MHz FROM HIGH SPEED ADC)
0
f
/2
S
f
/4
S
S
f
/8
–f
S
/8
–f
S
/4
–f
S
/2
–3
f
S
/16
–3
f
S
/8
–5
f
S
/16
–f
S
/1
3
f
/8
S
5
f
/16
S
(–
f
SAMPLE
/2 TO +
f
SAMPLE
/2)
6
DC
f
S
/2
–f
S
/8
–f
S
/4
S
S
3
f
/16
f
/16
f
S
/4
f
S
/8
–f
S
/2
3
f
S
/8
5
f
S
/16
–3
f
S
/16
–3
f
S
/8
–5
f
S
/16
–f
S
/16
Figure 45. AD6652 Frequency Translation
3
f
S
/16
f
S
/16
of Wideband Input Spectrum
–1.53 104
–1.03 104
1.03 104
1.
kHz
–120
–5000
0
5000
20
53 104
d–40
–60
–80
–100
0
–20
–1000
kHz
–800
–600
–400
–200
0
200
400
600
800
1000
0
ns. Narrower Filter (right) Designed for EDGE Application
1.6 kSPS DDC Output Rate)
te and 54
d
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10
ificatio
Figure 46. Filter Response (left) Meets UMTS (Wideband) Spec
(65 MSPS ADC Conversion Ra
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