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SOFIA FEATURES - HARDWARESOFIA FEATURES - HARDWARE

HOW DOES HARDWARE DESIGNREFLECT ON YOUR INSTRUMENT ? HOW DOES HARDWARE DESIGN

REFLECT ON YOUR INSTRUMENT ?

• TWO SEPARATE HIGH VOLTAGE GENERATOR• TWO SEPARATE HIGH VOLTAGE GENERATOR

• EASY POSSIBILITY OF TUBE CONNECTION• EASY POSSIBILITY OF TUBE CONNECTION

• STANDARD RS 232 CONNECTION TO IBM-PC• STANDARD RS 232 CONNECTION TO IBM-PC

• GENERAL PERFORMANCE AND ACCURACY• GENERAL PERFORMANCE AND ACCURACY

• TRIODE, PENTODE, ULTRA LINEAR SUPPORTED• TRIODE, PENTODE, ULTRA LINEAR SUPPORTED

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SOFIA FEATURES - SOFTWARESOFIA FEATURES - SOFTWARE

HOW DOES SOFTWARE DESIGNREFLECT ON YOUR INSTRUMENT ? HOW DOES SOFTWARE DESIGN

REFLECT ON YOUR INSTRUMENT ?

• IT’S EASY TO LEARN• IT’S EASY TO LEARN

• IT’S EASY TO USE IN EVERYDAY WORK• IT’S EASY TO USE IN EVERYDAY WORK

• GIVES YOU THE IMPRESSION OF FACINGAND OPERATING A REAL INSTRUMENT• GIVES YOU THE IMPRESSION OF FACINGAND OPERATING A REAL INSTRUMENT

• GIVES YOU FULL DATA STORAGE CAPABILITY• GIVES YOU FULL DATA STORAGE CAPABILITY

• GIVES YOU A PREDEFINED, USEREXTENDABLE TUBE LIBRARY• GIVES YOU A PREDEFINED, USEREXTENDABLE TUBE LIBRARY

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16 BIT16 BITD/AD/A

MIC

RO

CO

NTR

OLL ER

MIC

RO

CO

NTR

OLL ER

0 / 700 V0 / 700 V

16 BIT16 BITD/AD/A

16 BIT16 BITD/AD/A

16 BIT16 BITD/AD/A

0 / 700 V0 / 700 V

+10/-150 V+10/-150 V

0 / 24 V0 / 24 V

16 BIT16 BITA/DA/D

PLATE

SCREEN

GRID

HEATER

16 BIT16 BITA/DA/D

16 BIT16 BITA/DA/D

GRID

CURRENTSENSING

CURRENTSENSING

CURRENTSENSING

ROUTINGSYSTEM

RS 232 LINK

UA

RT

TUBE SOCKETS

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SOFIA SOFTWARE CAPABILITIESSOFIA SOFTWARE CAPABILITIES

• PLATE CHARACTERISTICS MEASUREMENT• PLATE CHARACTERISTICS MEASUREMENT

• STATIC USER DEFINABLE, PROGRAMMABLECONTROL PANEL WITH TRANSCODUCTANCEPLATE RESISTANCE AND MU

• STATIC USER DEFINABLE, PROGRAMMABLECONTROL PANEL WITH TRANSCODUCTANCEPLATE RESISTANCE AND MU

• FILE DRIVEN QC TESTS PROCEDURES• FILE DRIVEN QC TESTS PROCEDURES

• BEST MATCH BETWEEN BATCH OF TUBES• BEST MATCH BETWEEN BATCH OF TUBES

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MEASURE PARAMETERSMEASURE PARAMETERS PIN DESCRIPTIONSPIN DESCRIPTIONS

DISK TUBE LIBRARYDISK TUBE LIBRARY

TUBE MODETUBE MODE

SOFIA TUBE SETTINGS PANELSOFIA TUBE SETTINGS PANEL

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CURRENT LIMIT (Ia Max)CURRENT LIMIT (Ia Max)

POWER LIMIT (P Max)POWER LIMIT (P Max)

VOLTAGE LIMIT (Va Max)VOLTAGE LIMIT (Va Max)

SOFIA TUBE SETTINGS LIMITSSOFIA TUBE SETTINGS LIMITS

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LIMITS WITH SCREEN GRIDLIMITS WITH SCREEN GRID

BOTH Iamax AND Iscmax ARE EVALUATEDBOTH Iamax AND Iscmax ARE EVALUATED

THE FIRST ONE REACHED IS USEDTHE FIRST ONE REACHED IS USED

Pmax IS THE SUM OF ANODE ANDSCEEN DISSIPATION

Pmax IS THE SUM OF ANODE ANDSCEEN DISSIPATION

USUALLY FOR ULTRALINEAR ANDPSEUDOTRIODE MODE CURVES, TUBE

MANUFACTURERS SCREEN CURRENT HASTO BE EXCEEDED

USUALLY FOR ULTRALINEAR ANDPSEUDOTRIODE MODE CURVES, TUBE

MANUFACTURERS SCREEN CURRENT HASTO BE EXCEEDED

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6L6GC ULTRA-LINEAR 40mA Iscmax6L6GC ULTRA-LINEAR 40mA Iscmax

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6L6GC ULTRA-LINEAR 100mA Iscmax6L6GC ULTRA-LINEAR 100mA Iscmax

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0,00

100,00

200,00

300,00

400,00

500,00

600,00

700,00

800,00

Time

Volt

-80,00

-70,00

-60,00

-50,00

-40,00

-30,00

-20,00

-10,00

0,00

Anode VScreen VGrid V

SOFIA VOLTAGES Vs. TIME TRIODESOFIA VOLTAGES Vs. TIME TRIODE

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SOFIA - EL 34 PSEUDO-TRIODE MODESOFIA - EL 34 PSEUDO-TRIODE MODE

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0,00

100,00

200,00

300,00

400,00

500,00

600,00

700,00

800,00

Time

Volt

-25,00

-20,00

-15,00

-10,00

-5,00

0,00

Anode VScreen VGrid V

SOFIA VOLTAGES Vs. TIME PENTODESOFIA VOLTAGES Vs. TIME PENTODE

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SOFIA - EL 34 PENTODE MODESOFIA - EL 34 PENTODE MODE

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0,00

100,00

200,00

300,00

400,00

500,00

600,00

700,00

800,00

Time

Volt

-60,00

-50,00

-40,00

-30,00

-20,00

-10,00

0,00

Anode VScreen VGrid V

SOFIA VOLTAGES Vs. TIME ULTRA (43%, 450V)SOFIA VOLTAGES Vs. TIME ULTRA (43%, 450V)

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SOFIA - EL 34 ULTRA-LINEAR MODESOFIA - EL 34 ULTRA-LINEAR MODE

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SOFIA CONTROL PANELSOFIA CONTROL PANEL

140

150

160

170

180

190

200

210

220

-6

-5,75

-5,5

-5,25

-5

-4,75

-4,5

-4,25

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V anodeV grid

VaUp=V ANODE + 5%

VaDown = V ANODE - 5%

VgDown = V GRID - 5%

VgUp = V GRID +5%

TimeIat1 Iat2 Iat3 Iat4

VaDownVaUpIat2Iat1rp

GMrpmu

VgDownVgUpIat4Iat3GM

−−

=

•=

−−

=

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PLATE CURVES AREMEASURED AND SAVED

IN ONE DIRECTORY

MATCH PROCEDURE - 1

ALL CURVES HAVE TO BEMEASURED WITH THESAME TUBE SETUP !

SOFIA CALCULATES THEMISMATCH BETWEENEVERY TUBE AND ALL

THE OTHERS

MISMATCH = WEIGHTEDSUM OF SQUARED

DIFFERENCEOF PLATECURRENT FOR EACH

DATA POINT

DATA POINTS RANGEFROM 160 TO 2688

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DUAL SWITCHCONSIDERS TWOSECTIONS TUBES

MATCH PROCEDURE - 2

COICHE OFSTRATEGY

PAIR

QUARTET

THE BEST MATCH ISFOUND AND EXCLUDEDFROM THE REMAINING

A LIST OF MATCHES, INDESCENDING ORDER OF

QUALITY, IS CREATED

ARE TUBESFINISHED?

YES

NO

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SOFIA MATCH TO PAIRSOFIA MATCH TO PAIR

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SOFIA MATCH TO PAIR WITH DUALSOFIA MATCH TO PAIR WITH DUAL

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SOFIA MATCH TO QUARTET WITH DUALSOFIA MATCH TO QUARTET WITH DUAL

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SOFIA MATCH WITH ERROR=150SOFIA MATCH WITH ERROR=150

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SOFIA MATCH WITH ERROR=100SOFIA MATCH WITH ERROR=100

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SOFIA MATCH WITH ERROR=25SOFIA MATCH WITH ERROR=25

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ACCEPTABLE ERROR VALUEACCEPTABLE ERROR VALUE

IS LEFT TO THE USER EXPERIENCEIS LEFT TO THE USER EXPERIENCE

DESIGNERS SHOULD BASE THEIR CHOICEON PRICE AND APPLICATION

DESIGNERS SHOULD BASE THEIR CHOICEON PRICE AND APPLICATION

RETAILERS SHOULD BASE THEIRCHOICE ON PRICE AND AVAILABILITY

RETAILERS SHOULD BASE THEIRCHOICE ON PRICE AND AVAILABILITY

AS AN ABSOLUTE CRITERIA ERROR<100SHOULD BE CONSIDERED A VERY GOOD

MATCH

AS AN ABSOLUTE CRITERIA ERROR<100SHOULD BE CONSIDERED A VERY GOOD

MATCH

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SOFIA AND QUALITY CONTROLSOFIA AND QUALITY CONTROL

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SOFIA AND QUALITY CONTROLSOFIA AND QUALITY CONTROL

;THIS IS A SAMPLE QUALITY CONTROL SETUP FILE ('.QC' EXTENSION)

COMPANY=AUDIOMATICA SRL

TITLE=6DJ8 Quality Control

VFIL=6.3 ; [Volts]

IFIL=0.33 ; [Amperes]IFTOL=10 ; [%]

AUTODETECT=0 ; 0=off 1=onHEATINGDELAY=1 ; [s]

[DATA]VGRID[V] VANODE[V] IANODE[mA] IATOL(%) VSCREEN(V) ISCREEN(mA) ISTOL(%)-4 190 14 20 0 0 0-5 195 7 20 0 0 0

;THIS IS A SAMPLE QUALITY CONTROL SETUP FILE ('.QC' EXTENSION)

COMPANY=AUDIOMATICA SRL

TITLE=6DJ8 Quality Control

VFIL=6.3 ; [Volts]

IFIL=0.33 ; [Amperes]IFTOL=10 ; [%]

AUTODETECT=0 ; 0=off 1=onHEATINGDELAY=1 ; [s]

[DATA]VGRID[V] VANODE[V] IANODE[mA] IATOL(%) VSCREEN(V) ISCREEN(mA) ISTOL(%)-4 190 14 20 0 0 0-5 195 7 20 0 0 0

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SOFIA AND QUALITY CONTROLSOFIA AND QUALITY CONTROL

WAIT FORTUBE

MEASUREFILAMENTCURRENT

MEASURETEST POINT N

UPDATEDISPLAY ANDSTATISTICS

TEST POINTSENDED ?

ALL TESTSGOOD ?

GLOBALRESULT =

GOOD

GLOBALRESULT =

BAD

START

YES

YES

NONO