11th October 2007 2ND SKADS Workshop Tim Ikin

2-PAD2-PADAnalogue Front EndAnalogue Front End

Tim Ikin Electronics Engineer2nd SKADS Workshop

Paris11th October 2007

11th October 2007 2ND SKADS Workshop Tim Ikin

ShieldedBunker

AnalogueConditioner

And SamplingRack

ProcessorRack

20Gb

ConditioningModule

Acquisition&Processing

ProcessorBlade

ProcessorBlade

ProcessorBlade

ProcessorBlade

ProcessorBlade

ProcessorBlade

ProcessorBlade

ProcessorBlade

Receivers

Front-endGain.

Acquisition&Processing

Acquisition&Processing

Acquisition&Processing

ConditioningModule

ConditioningModule

ConditioningModule

11th October 2007 2ND SKADS Workshop Tim Ikin

Zin Zout

Total gainBalancedinput

Balancedoutput

BandPass

DCPower

Regulators

Mat

chin

g

LNA

CAL DriveCALDiode

ExternalCoupling

11th October 2007 2ND SKADS Workshop Tim Ikin

80dB

ActiveBalun

PowerReg.

Noise DiodeSwitch

Cold plate

11th October 2007 2ND SKADS Workshop Tim Ikin

Gain ChainVersion 1

Gain = 72dB

Designed constructed and characterised byRichard Morrow

11th October 2007 2ND SKADS Workshop Tim Ikin

11th October 2007 2ND SKADS Workshop Tim Ikin

11th October 2007 2ND SKADS Workshop Tim Ikin

11th October 2007 2ND SKADS Workshop Tim Ikin

Power Module

2-channel signal conditioning module

Clock Module

2-channel acquisitionand

processing module

Signals fromfield

2 x 10GbLinks

Midp

lane

11th October 2007 2ND SKADS Workshop Tim Ikin

Stepattenuator

Slope/Gain

FilterLo

FilterHi

Balunand DCPower

DifferentialPair

Diff.Pair

Diff.Pair

Control

Power Reg

FrontPanel Connector

Filter TV

By-pass

Stepattenuator

Slope/Gain

FilterLo

FilterHi

Balunand DCPower

DifferentialPair

Filter TV

By-pass

Power Reg

11th October 2007 2ND SKADS Workshop Tim Ikin

GainDifferentialPair

10Gbps

DifferentialPair

A to DConverter

FPGA

Gain

4x PHY

4x PHY

PowerRegs.

ClockDist.

10Gbps

ConnectorFront Panel

Management

11th October 2007 2ND SKADS Workshop Tim Ikin