S

 

Safety ground, in power cord

68

Sampling resistor (see current monitoring resistor)

 

SCR's, definition

24

in preregulator circuit

24

in regulator circuits

32

Series operation

97

Series regulator, advantages-disadvantages

18

circuit principles

19

Source effect, definition

16

measurement

104, 116

Spike measurement

108, 117

Stability (see Drift)

 

Summing point

85

Switching regulator, advantages-disadvantages

25

basic configurations

26

circuit principles

27

T

 

Temperature coefficient. Definition

16

Measurement

119

of remote programming resistors

82

Tracking operation (see Auto-Tracking)

 

Transient recovery time (see load, effect, transient recovery)

 

Triac

25, 29

V

 

Voltage divider, for dual output

94

Voltage drop, in ac power input cable

94

constant across series regulator

24

in load leads

73

in sensing leads

75

W

 

Warm-up time

16

Wire ratings, ac power input

61

Load

63, 77

Wire size, resistance per foot

73

Z

 

Zener diodes, as reference element

22

125

Page 124
Image 124
Agilent Technologies 90B manual 119