55

4

4

3

3

2

2

1

1

D D

C C

B B

A A

GND

70V Tap

+15V

V+

V+

0

0

0

0

V+

0

0

0

0

0

0

Date:

Basin St. DesignTitle:

Project no.: Drwn:Designed:File Ref:

PCB Ver.:

Sheet: of

The information on this drawing is proprietary and may not be copied or transmitted in any way without the written permission of Basin St. Design

Rls Date:Project Name/ClientECO No. Date By

Initials:0009

Tube Curve Tracer

TubeCurveTracer-1.dsn

BSDT. Bowland

n/aT. B.

Sunday, December 12, 2010 B 21

All like-numberedtube socket pinsin parallel

+15V+50V Max

LowVoltageSupply

AnodeCurrentAmplifier

1.1V1.5V2V2.5V3.3V5V6.3V7.5V12.6V25V32V50V60V70V

85V

95V

100V

110V

"BAL"OFF

Power Sw.

FilamentVoltageSel.

Tube Sockets

ScreenDrive

Anode CurrentReading toScope Y

HighVoltageSupply

CW

CW

Anode Bal Cal.

AnodeCurr.GainCal.

Socket PinConnections

AnodeDrive

Anode VoltageReading toScope X

Fil.DriveFil.Drive/GND

CathodeDrive/GND

Contained on Circuit Board

Pin 1

Pin 2

Pin 3

Pin 4

Pin 5

Pin 6

Pin 7

Pin 8

Pin 9

31V (NL)

6.3V (NL)

208VAC (NL)

Line V. Adj

Plate Range SelLO (125V Pk approx.)HI (400V Pk approx.)

L N

GND

(10:1Reduction)

Scope XscaleCal.

VerticalRange Sw

2V/mA

2V/10mA

PushToTest

G2 V

Adjust for zero output withzero anode current

The information contained in this drawing is freefor use under the Attribution-Noncommercial-ShareAlike 2.5 Generic License.

Chassis

2V/50mA

cw

2V/mA Cal. 2V/10mA Cal. 2V/50mA Cal.

CWSpare:

All resistors 1/4 W, 5% unlessotherwise noted.

J3

R258x9K1 in series

C2100n

R28

180K

J12

J10

R1100R

1

2

3

4

5

6

7

C110u/450V

F1

1/2A Fast

1 2

U6ALMC6082

+3

-

2

V

+

8

V

-

4

OUT 1

R2210R

R233K3

R63K01

J5

Q5KSC5502TU

J9

J20

HEADER 4

1234

J2

R8 47K5

J14

T1

R263K3

R135K/10T

3

1

2

R171K/10T

3

1

2

Q2KSC5502TU

LP1PILOT LAMP

1

2

3

4

5

6

7

8

C4

100n

1

2

3

4

5

J7

R245K6

S1

C8 100NC1

47u/350V

D1 D1N4004

SW4

R21 47K5

R34x47K5

1

2

3

4

J4Line In

1 2

3

R7

3K57

SW3J21

HEADER 4

1234

SW1A

R3712K

R50 1K0

R102x390K in series

D9

D1N4004

C6330u/50V

C3470n/400V

J8

R46

3

1

2

U5ALMC6082

+3

-

2

V

+

8

V

-

4

OUT 1

6

7

8

9

10

R550R/1T

3

1

2

R4068K

R22M2

J13

R2968K

J16

R27 470K

D4 D1N4004

R1150K/10T

3

1

2

R44x47K5

Q1Q2N3906

J61

2

R20

3K57

R1447K5

C510u/25V

U2

LM7805CIN1 OUT 2

G

N

D

3

SW1B

R12100K

R183K01

11

12

13

14

15

J11

J18

R950K/1T3

1

2

1

2

3

4

5

6

7

8

9

R4910K/10T

3

1

2

R165K6

J15

U5BLMC6082

+5

-

6

V

+

8

V

-

4

OUT 7

J11

2

R152x301R

R19 47K5

55

4

4

3

3

2

2

1

1

D D

C C

B B

A A

70V Tap

+15V

GND

0 0

0

0

0

0

0

0

+15V

+15V

-100V

-100V

Date:

Basin St. DesignTitle:

Project no.: Drwn:Designed:File Ref:

PCB Ver.:

Sheet: of

The information on this drawing is proprietary and may not be copied or transmitted in any way without the written permission of Basin St. Design

Rls Date:Project Name/ClientECO No. Date By

Initials:0009

Tube Curve Tracer

TubeCurveTracer-1.dsn

BSDT. Bowland

n/aT. B.

Sunday, December 12, 2010 B 22

BiasVoltageSupply

Bias StepGenerator(16 Curve Family)

GridDrive

Grid DriveTest Port toScope

36V

All resistors 1/4 W, 5% unlessotherwise noted.

Adj R82 to set V atcoll. of Q12 to -20Vapprox.

-100V unreg.

60 Hz Slicer

BiasOutputStage

R-2R D/A

Spare:Max Bias Select

1/2Vstepsizecal

2Vstepsizecal

1Vstepsizecal

4Vstepsizecal

-75V Reg. (approx.)

Max Bias V reg.

Contained on Circuit Board

R71

18M

R35120K

Q15Q2N3904

1

2

3

4

5

D19D1N4148

R67510K

R31 15K

Q12

Q2N3906

C102u2

R63

1M0

R78100K/1T

3

1

2

R5922K

R47100K

R77 1M0

D26D1N4148

R5522K

R42100K

R73

620K

Q10TIP107

R72

8M2

R5133K

D221N5258

1

2

R36120K

6

7

8

9

10

D20D1N4148

R68510K

Q16Q2N3904

R32 15K

R64

1M0Q13Q2N3906

R6022K

R483K0

J171

2

R79100K/1T

3

1

2

R5622K

R4322K

R74100K

U7A

LF412

+3

-

2

V

+

8

V

-

4

OUT 1

D23D1N4148

U6BLMC6082

+5

-

6

V

+

8

V

-

4

OUT 7

R5220K

R38120K

C91n0

11

12

13

14

15

Q11TIP107

C11100n

R69

18M

R33 15K

C7470U/50V

R65510K

J19

R825K/10T

3

1

2

R61

1M0

U8LM741

+3

-

2V

+

7

V

-

4

OUT 6OS1 1

OS2 5

Q8TIP107

R5720K

R44

10K

Q17Q2N3906

R80100K/1T

3

1

2

R75100K

D24D1N4148

R8322K

R5320K

R3910K

Q14Q2N3904

C12100n

R70

18M

U9LM385-2_5-TO92

1

2

3

R34120K

U4

CD4040B

Q1 9Q2 7Q3 6Q4 5Q5 3Q6 2Q7 4Q8 13Q9 12

Q10 14Q11 15Q12 1

INPUT10

R

E

S

E

T

1

1

V

D

D

1

6

V

S

S

8

R66510K

U7B

LF412

+5

-

6

V

+

8

V

-

4

OUT 7

R30 15K

R62

1M0

D27D1N4148

R84

820R

D18D1N4004

R5820K

R45100K

R76100K

D25D1N4148

Q9TIP107

Q18Q2N3906

R5433K

R81100K/1T

3

1

2

R41100K

C13470U/50V