AD6640 Analog Devices, AD6640 Datasheet - Page 23

• Manufacturer Part Number: AD6640
• Description: Multi-Channel, Multi-Mode Receiver Chipset
• Manufacturer: Analog Devices

Specifications of AD6640

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

REV. A
ANTENNA 2
ANTENNA 4
ANTENNA 6
ANTENNA 8
ANTENNA 1
ANTENNA 3
ANTENNA 5
ANTENNA 7
Figure 34. 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 (31)
AD6620 (32)
AD6620 (32)
AD6620 (30)
AD6620 (31)
AD6620 (32)
AD6620 (30)
AD6620 (31)
AD6620 (32)
AD6620 (30)
AD6620 (30)
AD6620 (31)
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–
COMBINE SIGNALS
FROM EIGHT ANTENNAS
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 ANTENNAS
AD6640