www.ketek.net info@ketek.net

KETEK GmbHHofer Str. 3 81737 Munich, Germany

phone +49 89 673 467 70 fax +49 89 673 467 77 Rev. 2015-07

VICOAF/AC

ÜberschriftTyp. Fe-55 spectrum acquired with VICO AC and VITUS SDD

ÜberschriftOperation block diagram

1,0E+00

1,0E+01

1,0E+02

1,0E+03

1,0E+04

1,0E+05

1,0E+06

0 1 2 3 4 5 6 7 8

Coun

ts [a

.u.]

Energy [keV]1 1 11 1 1

40 mm² SDD chip collimated to 30 mm² active areaPeaking time 1 µsFWHM 124.2 eVP/B 23,581 P/T 3,842

1 1 11 11 11 1

Input filter+

Fusing+

Regulator

VICO-HVHigh Voltage

Supply

VICO-TCTemp. Controller

+12V in

-12V in

GND in

DigitalPotentiometers

External Programming SDD Power supplyNon isolated

VICO-PA Pre-AmplifierSDD

SDD set-point temperature adjust

Signal out 50 Ohm (PA OUT)

LED 3 (PWR)

Temp Control TMP OUT 50 Ohm

LED2 (RDY)

R1

SDDBiasing

RX

BC

VICO AF / ACAnalog OEM Board for VITUS Silicon Drift Detector

KETEKs VICO-AF / -AC electronics boards are the complete and compact solution for the optimum operation of all VITUS Silicon Drift Detectors as

VICO-AF: FET as first SDD amplification stage,

VICO-AC: CUBE ultra-low-capacitance ASIC as first stage,

for SDD types from 7 mm² (H7) to 50 mm² (H50) active area.

VICO-AF / -AC key features

• Temperature controller for SDD

• High voltage supply• Ultra-low-noise

pre-amplifier

• Ramped reset type pre-amplifier output

• Compact form factor 108 x 54x 24 mm³

VICO OEM-KitforVITUS SDDs

General

PCB Dimensions

108 x 54 x 24 mm³without connectors117 x 54 x 24 mm³with connectors

Connector TypesUSBPreamp Signal OutTemp OutPower In

non functionalLemo EPS.00.250Lemo EPS.00.250Binder 09-0077-00-03

Matching ConnectorPreamp Signal OutTemp OutPower In

Lemo FFS.00.250Lemo FFS.00.250Binder 99-0076-100-03

OperatingTemp. Range -10 to +60 °C

StorageTemp. Range -25 to +85 °C

RoHS Compliant Yes

EMI Approved

Weight 75 g with connectors

Ordering codes EVICO - AFEVICO - AC

ISO 9001:2008Certified

EN 61326 EN 61000

VITUS H30 CUBE

www.ketek.net info@ketek.net

KETEK GmbHHofer Str. 3 81737 Munich, Germany

phone +49 89 673 467 70 fax +49 89 673 467 77 Rev. 2015-07

Pin assignment Description Mnemonic

Supply voltage:

J1-1 +12 VDC +12 V

J1-2 Ground GND

J1-3 -12 VDC -12 V

SDD connection:

J3-1 Peltier - P-

J3-2 Ring X RX

J3-3 Peltier + P+

J4-1 Ring 1 R1

J4-2 Thermistor Th+

J4-3 Ground GND

J5-1 Back RK

J5-2 Reset/VIO RS / VIO

J5-3 Substrate/Vs SUB / VS

J7-1 Source/Vsss S / Vss

J7-2 Drain/Signal FFD / QB

J7-3 Feedback/Reset FB / RS

Programming potentiometers PRG:

J8G$1 Ground ext. GND ext.

J8G$2 Down DN

J8G$3 Up UP

J8G$4 S1

J8G$5 S0

J8G$6 +5 VDC ext. +5 V ext.

VICO-DF / -DC

Upgrade to VICO-DF /-DC By simply plugging in KETEKs Digital Pulse Processor (DPP) an easy upgrade to the fully digital version including USB interface is possible.

Schematic of the VICO-AF / -AC

Connectors of the VICO-AF / -AC

VICOAF/AC

Preamplifier output 50 Ω

Power supply input

LED indicator

Non functional

Temp. control output 50 Ω

Operation parameters

Typical Max. ratings

Positive supply +12 VDC(10.8 to 13.2)

+16.5 VDC

Negative supply -12 VDC(-10.8 to -13.2)

-18 VDC

Positive current-35°C chip temp.

+245 mA ±10 mA (AF)+195 mA ±10 mA (AC)

+710 mA

Negative current -35 mA ±10 mA (AF)-30 mA ±10 mA (AC) -100 mA

Signal output Ramped reset type —

Appropriate heat sink for SDD required

Test point Description Read out Settings

TMP Read temperature

IN-

SET Set temperature Potentiometer on VICO-TC chip

TP5 Ring X voltage

Use an electro- meter

Programmable*TP6 Ring 1 voltage

TP8 Back voltage

TP9 (CUBE) VsssPotentiometer

SUB (FET) Substrate Voltage

*Please refer to a manual for details