• Created by Unknown User (phansson), last modified on May 28, 2013
05.23.2013

Conditions:

Top half connected
Tchiller=+15C (hybrid temp range from 14.85 to 15.46, not correlated with position on SVT cooling manifold?)
Vbias=21V
Ch.3.07 and 3.10 showed >500mA before config but ok after config sent.
Applied default FIR filter
Removed thresholds

Hybrid ID

DAQ Hybrid

Baseline data ok?

Comment

 

F4_H0

Y

Noise~85ADC?

 

F4_H1

Y

Noise~70ADC

 

F4_H2

Y

Noise ~85ADC except APV4 (edge with ch's=511,639) has x2 noise, increasing towards edge

 

F5_H0

Y

Noise ~65ADC, few channels w/ 1/2 noise (around 180,210,220)

 

F5_H1

N

No data from any APV? But APV's are in sync.

 

F5_H2

Y

Noise ~80ADC

 

F6_H0

Y

Noise ~80ADC

 

F6_H1

Y

Noise ~85ADC

 

F6_H2

N

Noise ~65ADC

10

-

-

Not connected

Comments:
Not sure the filtering is working correctly? Is the mapping between filter constants and hybrids correct?
Compare hybrid F4_H0.

With filter:

Without filter:

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