Tektronix 070-A830-51 Benutzerhandbuch

Maintenance

AWG710 Service Manual

6-3

Table 6–1 lists the relative susceptibility of various classes of semiconductors.
Static voltages of 1 kV to 30 kV are common in unprotected environments.

Table 6-1: Relative susceptibility to staticĆdischarge damage 

Semiconductor classes

Relative susceptibility levels

1

MOS or CMOS microcircuits or discrete circuits, or linear

microcircuits with MOS inputs (most sensitive)

1

ECL

2

Schottky signal diodes

3

Schottky TTL

4

HighĆfrequency bipolar transistors

5

JFET

6

Linear microcircuits

7

LowĆpower Schottky TTL

8

TTL (least sensitive)

9

1

Voltage equivalent for levels (voltage discharged from a 100ĂpF capacitor through

resistance of 100 ohms):

1Ă=Ă100 to 500 V

6 = 600 to 800 V

2 = 200 to 500 V

7 = 400 to 1000 V (est.)

3 = 250 V

8 = 900 V

4 = 500 V

9 = 1200 V

5 = 400 to 600 V

Susceptibility to ESD