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AD6636 Datasheet

  • AD6636

  • 150 MSPS Wideband Digital Down-Converter (DDC)

  • 2407.82KB

  • 82頁

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150 MSPS Wideband
Digital Down-Converter (DDC)
AD6636
FEATURES
4/6 independent wideband processing channels
Processes 6 wideband carriers (UMTS, CDMA2000)
4 single-ended or 2 LVDS parallel input ports
(16 linear bit plus 3-bit exponent) running at 150 MHz
Supports 300 MSPS input using external interface logic
3 16-bit parallel output ports operating up to 200 MHz
Real or complex input ports
Quadrature correction and dc correction for complex inputs
Supports output rate up to 34 MSPS per channel
RMS/peak power monitoring of input ports
Programmable attenuator control for external gain ranging
3 programmable coefficient FIR filters per channel
2 decimating half-band filters per channel
6 programmable digital AGC loops with 96 dB range
Synchronous serial I/O operation (SPI廬-, SPORT-compatible)
Supports 8-bit or 16-bit microport modes
3.3 V I/O, 1.8 V CMOS core
User-configurable built-in self-test (BIST) capability
JTAG boundary scan
APPLICATIONS
Multicarrier, multimode digital receivers
GSM, EDGE, PHS, UMTS, WCDMA, CDMA2000, TD-SCDMA
Micro and pico cell systems, software radios
Broadband data applications
Instrumentation and test equipment
Wireless local loop
In-building wireless telephony
FUNCTIONAL BLOCK DIAGRAM
CLKA
NCO
CIC5
M = 1-32
FIR1
HB1
M = Byp, 2
FIR2
HB2
M = Byp, 2
MRCF
DRCF
M = 1-16
CRCF
M = 1-16
LHB
L = Byp, 2
INPUT MATRIX
ADC A/AI
EXPA [2:0]
NCO
CIC5
M = 1-32
CLKB
FIR1
HB1
M = Byp, 2
FIR2
HB2
M = Byp, 2
MRCF
DRCF
M = 1-16
CRCF
M = 1-16
LHB
L = Byp, 2
DATA ROUTING
AGC
PA
EXPB [2:0]
CMOS
REAL
PORTS
A, B,
C,D
NCO
CIC5
M = 1-32
FIR1
HB1
M = Byp, 2
FIR2
HB2
M = Byp, 2
DATA ROUTER MATRIX
ADC B/AQ
MRCF
DRCF
M = 1-16
CRCF
M = 1-16
LHB
L = Byp, 2
CLKC
PB
ADC C/CI
NCO
CMOS
EXPC [2:0] COMPLEX
PORTS
(AI, AQ)
CLKD (BI, BQ)
LVDS
PORTS
AB, CD
PEAK/
RMS
MEAS.
I,Q
CORR.
NCO
NCO
CIC5
M = 1-32
FIR1
HB1
M = Byp, 2
FIR2
HB2
M = Byp, 2
MRCF
DRCF
M = 1-16
CRCF
M = 1-16
LHB
L = Byp, 2
PARALLEL PORTS
PC
ADC D/CQ
CIC5
M = 1-32
FIR1
HB1
M = Byp, 2
FIR2
HB2
M = Byp, 2
MRCF
DRCF
M = 1-16
CRCF
M = 1-16
LHB
L = Byp, 2
EXPD [2:0]
______
RESET
CIC5
M = 1-32
FIR1
HB1
M = Byp, 2
FIR2
HB2
M = Byp, 2
MRCF
DRCF
M = 1-16
CRCF
M = 1-16
LHB
L = Byp, 2
SYNC [3:0]
NOTE: CHANNELS RENDERED AS
ARE AVAILABLE ONLY IN 6-CHANNEL PART
M = DECIMATION
L = INTERPOLATION
Figure 1.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703
漏 2004 Analog Devices, Inc. All rights reserved.
04998-0-001
PLL CLOCK
MULTIPLIER
16-BIT
MICROPORT INTERFACE
SPORT/SPI INTERFACE
JTAG

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