Error Amplifier Characteristics

TEST CIRCUIT

+

-

-

+

Amplifier Under Test

FEEDBACK

OTHER Amplifier

ref

V

CC

V =15V

OUTPUT 1

OUTPUT 2

DTC

FEEDBACK

RT

CT

1IN+

1IN-

ERROR

2IN+

2IN-

OUTPUT

CONTROL

C1

E1

C2

E2

ef

R

GND

TEST INPUTS

{

Each Output

Circuit

15V

90%

90%

f

t

10%

90%

10%

90%

15V

Circuit

Each Output

12KΩ

0 01µF

4

3

6

5

1

2

16

15

13

7

10

11

9

8

12

14

Amplifiers

Output

TEST CIRCUIT

NOTE A C includes probe and jig capacitance

L

Common-Emitter Configuration Test Circuit and Waveform

10%

10%

f

t

r

t

OUTPUT VOLTAGE WAVEFORM

Emitter-Follower Configuration Test Circuit and Waveform

NOTE A C includes probe and jig capacitance

TEST CIRCUIT

OUTPUT VOLTAGE WAVEFORM

L

Output

2008. 8. 11

5/6

Revision No : 0

FA494AP/AF