GS2994 datasheet(2/20 Pages) SEMTECH

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GS2994 GS2994 Adaptive Cable Equalizer

Data Sheet

53967 - 4

August 2012

2 of 20

GS2994 Functional Block Diagram

Revision History

Version

ECR

PCN

Date

Changes and/or Modifications

158405

–

August 2012

Updates in GS2994 Pin Descriptions, Table 2-1:

DC Electrical Characteristics, and

Input/Output Circuits.

157635

–

February

2012

Added pull-down resistor to Figure 3-4.

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.

154492

–

June 2010

Converted to Preliminary Data Sheet.

Updated the power and current consumption

values in Table 2-1: DC Electrical

Characteristics.

153758

–

March 2010

Removed the 470nF capacitor (between AGC

and GND) from Figure 5-1: GS2994 Typical

Application Circuit.

153233

–

January 2010

New document.

Equalizer

Output

AGC

SDI

SLEEP

SDO

BYPASS

SDI

SDO

AGC

SQ_ADJ

Squelch Adjust

Carrier Detect

Mute

Restore

VCC_O

VEE_O

OP_CTL

VCC_A

VEE_A

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