GS2993 datasheet(2/23 Pages) SEMTECH

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GS2993 Dual Output Adaptive Cable Equalizer

Data Sheet

53966 - 4

August 2012

2 of 23

Propietary & Confidential

GS2993 Functional Block Diagram

Revision History

Version

ECR

PCN

Date

Changes and/or Modifications

158394

–

August 2012

Updates in GS2993 Pin Descriptions, Table 2-1: DC Electrical

Characteristics, and Input/Output Circuits.

157634

–

February

2012

Added pull-down resistor to Figure 3-5. Updated the descriptions for

the BYPASS and SLEEP pins in Table 1-1. Clarification to column

headings in Table 4-1.

157164

–

November

2011

Updated the descriptions for the GAIN_SEL and SQ_ADJ pins in

Table 1-1 to indicate that they have internal pull-down resistors.

155124

–

October

2010

Converted to Data Sheet. Increased cable length to 220m at 1.485Gb/s.

Revised CLI Output Voltage Range in Table 2-1: DC Electrical

Characteristics.

154343

–

June 2010

Converted to Preliminary Data Sheet. Changes to the Power

Consumption numbers in Table 2-1: DC Electrical Characteristics and

the Jitter numbers in Table 2-2: AC Electrical Characteristics. Added

Figure 4-2: Cable Length Indicator Output.

153758

–

March 2010

Removed the 470nF capacitor (between AGC and GND) from Figure

5-1: GS2993 Typical Application Circuit.

153234

–

January 2010

New document.

Equalizer

Output 1

AGC

SDI

SLEEP

SDO1

BYPASS

SDI

SDO1

AGC

OP1_EN

SQ_ADJ

Squelch Adjust

Carrier Detect

Mute

Restore

Output 2

SDO2

OP2_EN

VEE_O1

VEE_O2

OP_CTL2

OP_CTL1

VCC_O1

VCC_O2

CLI

VCC_A

VEE_A

GAIN_SEL

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