AD6640ST Analog Devices, AD6640ST Datasheet - Page 23
AD6640ST
Manufacturer Part Number
AD6640ST
Description
12-Bit/ 65 MSPS IF Sampling A/D Converter
Manufacturer
Analog Devices
Datasheet
1.AD6640ST.pdf
(24 pages)
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REV. 0
ANTENNA 2
ANTENNA 4
ANTENNA 6
ANTENNA 8
ANTENNA 1
ANTENNA 3
ANTENNA 5
ANTENNA 7
Figure 52. Receive Chain for a Phased Array Cellular Base Station with Eight Antennas and 32 Channels
EIGHT WIDEBAND FRONT ENDS
COMMON LO
AD6640
AD6640
AD6640
AD6640
AD6640
AD6640
AD6640
AD6640
SYNC 1
SYNC 1
SYNC 1
SYNC 1
AD6620s (32 CHANNELS)
AD6620s (32 CHANNELS)
AD6620s (32 CHANNELS)
AD6620s (32 CHANNELS)
AD6620 (32)
AD6620 (31)
AD6620 (32)
AD6620 (30)
AD6620 (31)
AD6620 (32)
AD6620 (30)
AD6620 (31)
AD6620 (30)
AD6620 (31)
AD6620 (32)
AD6620 (30)
AD6620 (1)
AD6620 (2)
AD6620 (3)
AD6620 (1)
AD6620 (2)
AD6620 (3)
AD6620 (1)
AD6620 (2)
AD6620 (3)
AD6620 (1)
AD6620 (2)
AD6620 (3)
–23–
FROM EIGHT ANTENNA'S
COMBINE SIGNALS
SUM
SUM
SUM
SUM
SUM
SUM
ADSP-21xx
ADSP-21xx
ADSP-21xx
ADSP-21xx
ADSP-21xx
ADSP-21xx
(30)
(31)
(1)
(2)
(3)
(32)
32 CHANNELS OUT
EACH CHANNEL IS SUMMATION
FROM EIGHT ANTENNA'S
AD6640
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