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Engineering: MWPC design configuration schemas. Wire Pad Chamber (WPC) , one gap. Avalanche. Cdet in parallel to current source (not shown) will reduce current flow to amplifier as ratio of impedances (full Spice-model see below). 2-gap/layer Wire Pad Chamber (WPC).

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Engineering: MWPC design configuration schemas

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Engineering mwpc design configuration schemas

Engineering:

MWPC

design configuration schemas


Engineering mwpc design configuration schemas

Wire Pad Chamber (WPC) , one gap

Avalanche

Cdet in parallel to current source (not shown)

will reduce current flow to amplifier

as ratio of impedances

(full Spice-model see below)


Engineering mwpc design configuration schemas

2-gap/layer

Wire Pad Chamber (WPC)

OR-ing (double signal)

Independent

HV sources

(for reliability)


Engineering mwpc design configuration schemas

Cathode Pad Chamber (CPC), one gap

Single Cathode Read-Out (SCRO)


Engineering mwpc design configuration schemas

Cathode Pad Chamber (CPC), one gap

Double Cathode Read-Out (DCRO)

Double signal


Engineering mwpc design configuration schemas

Combined

Wire strip and Cathode Pad Chamber (WCPC)

Bad design

Rather large loop


Engineering mwpc design configuration schemas

WCPC (Single Cathode RO scheme)


Engineering mwpc design configuration schemas

WCPC (Double Cathode RO scheme)

Double signal


Engineering mwpc design configuration schemas

MWPC readout schemes for M1R1

CPC

(SCRO)

CPC

(DCRO)


Engineering mwpc design configuration schemas

Anode readout INFN chambers M1+M5 R4

0mm

53.8mm

39.8mm

25.8mm

11.8mm

0mm

-20.7mm

+21.3mm

-6.7mm

+7.3mm

SPB


Engineering mwpc design configuration schemas

Anode readout PNPI chambers M2+M3,+M4 R4

0mm

54.8mm

10.2mm

0mm

-22.3mm

+22.3mm

SPB


Engineering mwpc design configuration schemas

Anode readout CERN chambers M2+M3 R1+R2

0mm

54.2mm

38.8mm

26.2mm

10.8mm

0mm

-21.7mm

+21.7mm

-6.3mm

+6.3mm

SPB

The additional ground

connector we have at

present is not drawn.


Engineering mwpc design configuration schemas

Double Cathode readout (CERN chambers)

- Single Cathode readout INFN and CERN chambers

have just less connectors on equivalent positions

- INFN uses no male and female parts, as CERN does

±23.2mm

±18.8mm

±9.2mm

±4.8mm

0mm

OPB


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