AD6640AST Analog Devices Inc, AD6640AST Datasheet - Page 23

• Manufacturer Part Number: AD6640AST
• Description: IC ADC 12BIT 65MSPS 44-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD6640AST

• Rohs Status: RoHS non-compliant
• Function: A/D Converter
• Rf Type: Cellular/PCS, GPS
• Secondary Attributes: 12 Bit, 65MSPS
• Package / Case: 44-LQFP

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