AD6636:  150 MSPS Wideband (Digital) Receive Signal Processor (RSP)

The AD6636 is a (Digital) Receive Signal Processor intended for direct IF sampling or highly sampled baseband radios requiring wide-bandwidth input signals. It has been optimized for the demanding ...More

AD6636:  150 MSPS Wideband (Digital) Receive Signal Processor (RSP)

Product Description

The AD6636 is a (Digital) Receive Signal Processor intended for direct IF sampling or highly sampled baseband radios requiring wide-bandwidth input signals. It has been optimized for the demanding filtering requirements of wideband standards like, CDMA2000, UMTS, and TD-SCDMA. The AD6636 is designed to be used as part of radio system that uses either an IF sampling ADC, or a baseband sampling ADC.

The AD6636 has the following signal processing stages: a Frequency Translator, a 5th order Cascaded Integrated Comb filter, two sets of Cascaded Fixed Coefficient Finite Impulse Response (FIR) and Half Band filters, three cascaded programmable coefficient Sum of Product FIR filters, an Interpolating Half Band Filter (LHB) and a digital Automatic Gain Control (AGC) Block. Multiple modes are supported for clocking data into and out of the chip to provide flexibility for interfacing to a wide variety of digitizers. Programming and control is accomplished via serial or microport interfaces.

The AD6636 features a fractional clock multiplier that uses the ADC clock to produce a digital down converter master clock up to 200 MHz. This internal phased-locked loop (PLL) allows optimum digital clock rates, regardless of the converter sampling rate, enabling the best possible digital signal decimation and filtering. Three 16-bit parallel output ports accommodate high data rate 3G applications. An on-chip interpolating half band filter can also be used to further increase the output rate while still allowing for very efficient filters. In addition, each channel has a digital AGC for output data scaling.

Features

  • Six Independent Wideband Processing Channels
  • Processes 6 Wideband carriers (UMTS, CDMA2000, TD-SCDMA, etc.)
  • Four Single Ended or Two LVDS Parallel Input Ports (16 linear bit plus 3-bit exponent) at
    150 MHz
  • Can support 300MHz input using some external interface logic
  • Three 16-bit Parallel Output Ports operating at
    up to 200 MHz
  • Real or complex input ports
  • Quadrature correction andDC correction
    for complex inputs
  • Can support output rate up to 34 MSPS
  • RMS/Peak Power monitoring of
    input ports
  • Programmable attenuator control for
    external Digital Variable Gain
    Amplifier (DVGA)
  • Three Programmable coefficient FIR
    Filters per channel
  • One Interpolating Half Band
    Filter per channel

Diagrams

AD6636 Diagram
Functional Block Diagram for AD6636

Specifications

Digital TX/RX RX
Input Sampling (MSPS) 150MSPS
Digital AGC X
Baseband Interface Parallel
Input Ports 4
Ouput Ports 3
Package BGA

Explore Other Products

Download this Selection Table
(pdf, 22,589 bytes)

Last Updated: 9/2007
DDCs
Generic Part # MSPS GSM, EDGE/GPRS CDMA2000 UMTS TDS-CDMA
      1x 3x    
AD6620 65

1 Channel

(main and diversity)

1 Channel

2 samples per chip

1 Channel with FPGA to finish filtering

2 samples per chip

1 Channel with FPGA to finish filtering

2 samples per chip

 1 Channel
AD6624 80

4 Channels

2 samples per symbol

2 Channels

2 samples per chip

1 Channel with FPGA for serial to parallel conversion

2 samples per chip

1 Channel with FPGA for serial to parallel conversion

2 samples per chip

 4 Channels

1 sample per chip
AD6624A 100

2 Channels with FPGA for serial to parallel conversion

2 samples per chip
AD6634 80

4 Channels

2 samples per symbol

2 Channels

4 samples per chip

Digital AGC

2 Channels

4 samples per chip

Digital AGC

2 Channels

4 samples per chip

Digital AGC

4 Channels

1 sample per chip
AD6635 80

8 Channels

2 samples per symbol

4 Channels

4 samples per chip

Digital AGC

4 Channels

4 samples per chip

Digital AGC

4 Channels

4 samples per chip

Digital AGC

8 Channels

1 sample per chip
AD6636 150

6 Channels

4 / 8 samples per symbol

6 Channels

4 samples per chip

Digital AGC

6 Channels

4 samples per chip

Digital AGC

6 Channels

4 samples per chip

Digital AGC

6 Channels

1 / 2 / 4 samples per chip
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DUCs
Generic Part # MSPS GSM, EDGE/GPRS CDMA2000 UMTS TDS-CDMA
      1x 3x    
AD6622

75

4 Channels

Serial output

2 Channels

Serial output

1 Channel

Serial output

1 Channel

Serial output

4 Channels

Serial output
AD6623 104

4 Channels

Modulate using I/Q symbols

Direct modulation xPSK

Mode switching

Power Ramping

2 Channels (real output)

Serial output

Includes IIR filter for phase pre-distortion

2 Channels (real output)

Serial output

2 Channels (real output)

Serial output

4 Channels

Serial output

Power Ramping

Direct modulation
AD6633 125

6 Channels

Modulated I/Q data

VersaCREST™ Crest Reduction Engine

IF/RF compensation using complex filter

6 Channels

Modulated I/Q data

VersaCREST™ Crest Reduction Engine

Includes IIR filter for phase pre-distortion

6 Channels

Modulated I/Q data

VersaCREST™ Crest Reduction Engine

IF/RF compensation using complex filter

6 Channels

Modulated I/Q data

VersaCREST™ Crest Reduction Engine

IF/RF compensation using complex filter

6 Channels

Modulated I/Q data

VersaCREST™ Crest Reduction Engine

IF/RF compensation using complex filter
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Integrated ADC/DDC Receivers
Generic Part # MSPS GSM, EDGE/GPRS CDMA2000 UMTS TDS-CDMA
      1x 3x    
AD6652 65

4 Channels

2 samples per symbol

2 Channels with some external filtering

4 samples per chip

Digital AGC

2 Channels with some external filtering

4 samples per chip

Digital AGC

2 Channels with some external filtering

4 samples per chip

Digital AGC

4 Channels

1 sample per chip
AD6653 150

2 x 6 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 12 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 6 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 4 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 12 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor
AD6654 92.16

6 Channels

4 / 8 samples per symbol

6 Channels

4 samples per chip

Digital AGC

6 Channels

4 samples per chip

Digital AGC

6 Channels

4 samples per chip

Digital AGC

6 Channels

1 / 2 / 4 samples per chip
AD6655 150

2 x 6 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 12 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 6 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 4 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor

2 x 12 Channels - external Channelization Filters Required

Fast Level Detect and Power Monitor
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QDUCs
Generic Part # Master Clock (MSPS min) Power Supply Voltage (Vnom) Power Dissipation (mW max) Description
AD9856 200 Single (+3) 1590 200 MHz Quadrature Digital Upconverter With 12-Bit Data Path
AD9857 200 Single (3.3 V) 2029 200 MSPS Quadrature Digital Upconverter with 14-bit Data Path
AD9957 1000 Multi (1.8, 3.3) 1800 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC
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Pricing, Packaging & Availability

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**Sample availability may be better than production availability. Please enter samples iinto your cart to check sample availability.

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