PMC-Sierra M8800 specifications Block Diagram, Applications Diagram

Page 2

PM8800 WiZIRD 2x2 WiMAX Zero Intermediate Frequency Radio Device

Applications

PCMCIA Cards, PC Express Cards, USB Dongles

Customer Premises Equipment (CPE)

Femto Base Stations

Block Diagram

Antenna

 

 

 

1st Order

2nd Order

2nd Order

Radio A

 

 

Interface

 

 

 

 

RXA_I

2.5GHz

 

 

Passive filter

Active Filter

Active Filter

 

 

RXA_2G+/-

 

I

 

 

VGA

 

VGA

 

RXA_Q

LNA

 

 

 

 

 

 

 

 

LO

 

 

 

 

 

 

TXA_I

 

3.5GHz

0/90

1st Order

2nd Order

2nd Order

 

 

 

 

Passive filter

 

 

TXA_Q

RXA_3G+/-

Radio Arm A

 

 

Active Filter

Active Filter

 

 

 

Q

 

 

 

 

LNA

 

 

 

VGA

 

VGA

 

 

 

 

 

 

 

 

 

 

 

 

 

mixer

 

 

 

 

 

 

ADC

 

 

 

 

 

 

 

 

4th Order

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Active Filter

 

 

 

 

 

2.5GHz

 

 

I

TPC

 

 

ADC

 

TXA_2G

Balun

PPA

 

 

 

Attenuator

 

 

 

Analog

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.5GHz

 

+

0/90

LO

4th Order

 

DAC

Baseband

TXA_3G

Balun

PPA

 

 

 

 

Active Filter

 

or

 

 

Q

TPC

 

 

 

 

 

 

 

 

mixer

Attenuator

 

 

DAC

Digital

 

 

 

 

 

 

 

 

Baseband

 

 

 

 

 

 

 

 

 

Digital

Interface

 

 

 

 

 

 

 

 

 

BB Interface

 

 

 

 

 

 

 

 

Radio B

 

 

 

 

 

1st Order

2nd Order

2nd Order

ADC

 

 

2.5GHz

 

 

Passive filter

Active Filter

Active Filter

 

 

 

 

 

I

 

 

VGA

 

VGA

 

DIQ[9:0]

RXB_2G+/-

LNA

 

 

 

 

 

ADC

 

LO

 

 

 

 

 

 

 

3.5GHz

0/90

1st Order

2nd Order

2nd Order

 

 

 

 

 

 

 

 

RXB_3G+/-

LNA

 

Q

Passive filter

Active Filter

Active Filter

 

DAC

 

 

 

 

VGA

 

VGA

 

 

 

 

 

 

 

 

 

 

 

 

mixer

 

 

 

 

 

 

DAC

 

 

 

 

 

 

 

 

4th Order

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Active Filter

 

 

RXB_I

 

 

2.5GHz

 

 

I

TPC

 

 

 

TXB_2G

Balun

PPA

 

 

 

Attenuator

 

 

 

RXB_Q

 

 

 

 

 

 

 

 

 

3.5GHz

 

+

0/90

LO

4th Order

 

 

TXB_I

TXB_3G

Balun

PPA

 

 

 

 

Active Filter

 

 

 

 

Q

 

 

 

 

 

 

TPC

 

 

 

TXB_Q

 

 

 

 

 

 

 

 

 

 

 

 

 

Attenuator

 

 

 

 

 

 

 

 

mixer

 

 

 

 

 

 

Radio Calibration and Control

 

 

filter

 

 

SPI Interface

SPI

 

 

 

 

 

 

 

2*F L O /3

TSSIA/B

 

 

 

 

 

LO

 

 

 

TX Envelope

TPC

 

 

 

 

PLL

 

XTALO

 

 

 

 

 

 

PA_BIASA/B

Detect

DACs

 

 

 

 

 

 

DCXO

 

 

 

 

 

 

 

 

Div2

 

PA_CTRLA/B

PA and Switch

 

 

 

 

 

FL O /3

 

DC Offset

 

 

 

 

 

 

 

 

 

 

 

 

XTALI

TR_SW_OUT

Control

DACs

 

 

 

 

 

 

Registers

 

 

 

PM8800 WiZIRD 2x2

Sfreq

Baseband PLL

 

 

 

 

 

 

 

 

CLKOUT

 

 

 

 

 

 

 

 

 

 

Applications Diagram

BPF

Balun

 

 

SPDT

 

 

 

ANT_A

 

 

 

LPF

PA

BPF

Baseband

 

 

 

 

 

 

I/Q Interface

 

 

PM8800

BaseBand

BPF

Balun

WiZIRD 2x2

MAC

SPDT

 

 

 

ANT_B

 

 

 

 

 

XTAL

 

LPF

PA

BPF

 

Corporate Head Office:

Operations Head Office:

PMC-Sierra, Inc.

PMC-Sierra, Inc.

Mission Towers One

100-2700 Production Way

3975 Freedom Circle

Burnaby, BC V5A 4X1 Canada

Santa Clara, CA, 95054, U.S.A.

Tel: 1.604.415.6000

Tel: 1.408.239.8000

Fax: 1.604.415.6200

Fax: 1.408. 492.1157

 

PMC-2061867, Issue 8, © Copyright PMC-Sierra, Inc. 2008.

All rights reserved. For a complete list of PMC-Sierra’s trademarks , visit www.pmc-sierra.com/legal/. Other product and company names mentioned herein may be the trademarks of their respective owners. For corporate information, send email to: info@pmc-sierra.com. All product documentation is available on our web site at: www.pmc-sierra.com.

Image 2
Contents Product Overview Product HighlightsApplications Block DiagramApplications Diagram

M8800 specifications

The PMC-Sierra M8800 is a versatile and high-performance communications processor designed for a wide range of applications in the telecommunications and networking sectors. With its advanced architecture, the M8800 is tailored for efficient data handling and processing in environments that require high throughput and scalability.

At the core of the M8800 is its multi-core processing architecture, which enables parallel processing for maximum performance. This design allows the processor to handle multiple data streams simultaneously, making it an ideal choice for applications such as broadband access, voice over IP (VoIP), and video streaming. The M8800 features multiple processing cores that can be configured to optimize performance based on the specific needs of the application, allowing for flexible deployment in various network topologies.

A key highlight of the M8800 is its support for a wide array of networking protocols. The processor is capable of handling Ethernet, Packet over SONET (PoS), ATM, and other protocols, which makes it highly adaptable for different communication technologies. This versatility ensures that it can be seamlessly integrated into existing network infrastructures while still being capable of future upgrades as technology evolves.

The M8800 integrates advanced packet processing capabilities, which are essential for modern network operations. Its architecture allows for deep packet inspection and real-time traffic management, enabling service providers to maintain optimal network performance by prioritizing critical data flows. This feature is particularly valuable in environments where bandwidth is at a premium or where quality of service (QoS) is a critical requirement.

Security is another crucial aspect of the PMC-Sierra M8800. The processor includes built-in security protocols to protect data integrity and confidentiality. This ensures that sensitive information transmitted over networks remains secure from unauthorized access and potential cyber threats.

In terms of power efficiency, the M8800 is designed to deliver high performance with lower power consumption, making it an environmentally friendly option for modern data centers and telecom networks. This focus on energy efficiency not only helps reduce operational costs but also aligns with global efforts to minimize the carbon footprint of technology.

Overall, the PMC-Sierra M8800 is a powerful, flexible, and secure communications processor, making it an excellent choice for service providers and network operators looking to enhance their capabilities in today's fast-paced digital landscape. With its combination of advanced processing power, protocol support, security features, and energy efficiency, the M8800 stands out as a leading solution in the competitive field of networking technology.