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MONSOON Image Acquisition System. “Rain drops keep falling on our heads”. Peter Moore (1) and Gustavo Rahmer (2) (1) National Optical Astronomy Observatory (2) Cerro Tololo Inter-American Observatory.

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Monsoon image acquisition system
MONSOONImage Acquisition System

“Rain drops keep falling on our heads”

Peter Moore(1) and Gustavo Rahmer(2)

(1)National Optical Astronomy Observatory

(2)Cerro Tololo Inter-American Observatory

The MONSOON development program continues and we report on the current status of, and the future plans for this project.

The Forecast : Warm deluges of success with some cold showers of reality


Taking a photon shower
Taking a photon shower

Not enough time to catch all the photons we need !

Big instruments – Big focal planes

More photons !! UV – VIS – NIR – MIR.

MONSOON designed to accommodate these requirements

So; where is MONSOON ?


Where we re at
Where we’re at:

350

400

1000

1050

1100

2500


Performance
Performance

VIDEO CHANNEL PERFORMANCE – To Date

SYSTEM PERFORMANCE


Common tech large small vis ir
Common tech. large,/small/VIS/IR

VISIBLE DETECTORS

ARRAYS OF DETECTORS

PHOTONS IN

IR DETECTORS

SINGLE DETECTORS

DETECTORS

SOFTWARE

FIRMWARE

DHE HARDWARE

COMMUNICATIONS

(MUCH) DATA OUT

APPLICATIONS

ICD 1.x

ICD 8.x

ICD 7.x

ICD 6.x

ICD 4.x

ICD 6.x


Soft hard status
Soft/hard Status

RELEASED

RELEASED

RELEASED

RELEASE C

RELEASE C

AUGUST 05

RELEASE B

MONSOON SUPERVISOR LAYER

ICD 7.0

MASTER CONTROL BOARD

8 CHAN CCD ACQ. BOARD

CLOCK & BIAS BOARD

36 CHAN IR ACQ. BOARD

DATA HANDER INTERFACE

CONFIGURE TOOL

SUPER

PAN CAPTURE

RELEASED

RELEASED

RELEASED

IN PROGRESS

IN PROGRESS

BETA TESTING

IRACQ

CLK-BIAS

CCDACQ

DHI

TOOLSET

MCB

PAN PROCESS

GENERIC PIXEL SERVER

PAN SAVER

GPX

MONSOON ENGINEERING CONSOLE

PPX

MEC

ICD 6.x

ICD 1.0

ICD 8.x

ICD 4.0

CCD ACQ. TRANSITION BOARD

IR ACQ. TRANSITION BOARDS

CLOCK & BIAS TRANSITION BOARDS

DETECTOR

- SOFTWARE -

- HARDWARE -

ICS

DATA


Cold shower cut and paste
Cold shower .. Cut and paste

Cold shower #1: - CCD Front End - cut and paste:

CDS

CPLD

FPGA

BIAS

Functionality good, but performance takes time.

8 Video Channels/Board

18 Bit Dynamic Range

800 KPix/Chan/Sec

p & n Channel Devices

32 HV Biases (+/- 35 V)

32 Bit DOP


Open source release
Open Source Release

Open Source Release – November 2004

This is an Open License Agreement that allows you access to the complete technical information available for MONSOON. You must, for legal peace of mind, agree to the terms of this license.

Essentially, by clicking the "Accept" button at the foot of this page, you agree to make any contributions you may make to the MONSOON technology available to others without hindrance and surrender all rights to patent claims to any of the covered technology - including the original source.

In addition, the license explicitly absolves NOAO from any warranty or liability for the use of, or fitness of purpose for, MONSOON technology.

The good news is that the license doesn't stop you from using (or abusing) the technology, or building systems from the information, or even making a dollar from supplying this technology to others. In fact you are encouraged to do all of these things !

Accept


What you get
What you get !!

Technical Documentation

Source Documents

User Documents

Architecture Documents

http://www.noao.edu/ets/monsoon/


Cold shower collaborations
Cold shower Collaborations !!

MONSTEROID

LSST

NOAO

WIYN

STSci

UIUC / FERMILAB

QUOTA /ODI

• Hardware Test

and Dev.

• Firmware Dev.

• Guide + Science

Software Dev.

DES : DeCam

• 12 Channel CCD

Video Board

• Firmware

Development

WHIRC

• Sequencer Code

Dev.

• Detector (Virgo)

Interface

MONSOON

- Collaboration History -

Cold shower #2: - Each ‘collaboration’ effort requires explicit support which in turn, requires resources.

However, collaborations that ‘stick’ are very productive !


New toys the future
New Toys – The future

MONSOON ‘ORANGE’

OPEN SOURCE

& IN SERVICE

DECam

Requirements established May 2002

NEWFIRM

+ 11 OTHERS

MONSOON ‘GREEN’

HIGHER DENSITY

LESS POWER

Requirements established March 2004

ODI

Motivation:

1). Replace unreliable, high maintenance, or obsolete CCD controllers.

2). Unify detector controller architectures to reduce maintenance burden.

3). Apply to new instrumentation without risk of ‘single source’ components.

REPACKAGED

LOWER COST

TORRENT

Requirements established February 2005


Aren’t we just so happy about MONSOON?

So happy we could sing about it !!

All together now …

Photons

keep

falling

on our

heads,

And

we

don’t

have

a cheap

detector

to catch

them

all,

Crying

just

won’t

help,

The challenge

is

for

Rockwell

or Raytheon

to

show

us

how

to

do

it

in …

SDW2008 !


Getting wet
Getting Wet !!

The last word: An opportunity to take a MONSOON together !

Courtesy: National Park Service, US Dept. Interior

http://www.noao.edu/ets/monsoon/home/contact/


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