10

LT1001

Precision Power Supply with Two Outputs

(1) 0V to 10V in 100

µV STEPS

(2) 0V to 100V in 1mV STEPS

–

+

–

+

2

3

1

8

6

–

+

2

3

6

1k

2N4393

Q1

2N4393

Q6

1001 TA12

**

100k

**

100k

10k*

10k*

10k**

10k**

10k

2k

100k

INPUT

100k

4.7k

4.7k

10k

4.7k

3.3k

15pF

30pF

+15V

IN914

–15V

LM301A

2

3

6

2

3

6

LT1001

LM301A

15pF

IN914

* 1% FILM

** RATIO MATCH 0.05%

Q2, 3, 4, 5 CA 3096 TRANSISTOR ARRAY

47pF

Q4

Q2

DEAD ZONE

CONTROL INPUT

0 to 5V

–

+

Q5

LT1001

Q3

+

+

+

+15V

–15V

+15V

25k

LM399

KVD

00000 –

99999 + 1

KELVIN-VARLEY

DIVIDER

ESI#DP311

–

+

2

100

Ω

6

IN

914

2N2219

2k

22k*

43k*

(select)

+15V

100

Ω 5W

8.2k

3

2

4

0.1

2.2

22

µF

2N6533

2N2907

1001 TA11

+15

1.8k

+15V

5k

90k*

10k* (select)

TRIM–100V

100

Ω

15

Ω

DIODES =

SEMTECH #

FF-15

OUTPUT

2

0-100V, 25mA

OUTPUT 1

0-10V

25mA

6

IN914

2k

IN914

3

LT1001

–

+

LT1001

–

–

+

2

6

VN-46

TRIAD TY-90

VN-46

33k

33k

74C74

33k

680pF

*JULIE RSCH. LABS

#R-44

3

LT301A

D

CLK

Q

Q

CLAMP SET

Dead Zone Generator

BIPOLAR SYMMETRY IS EXCELLENT BECAUSE ONE DEVICE, Q2, SETS BOTH LIMITS