Technical data

Service and Maintenance 8
Recommended Test Equipment
E364xA User’s and Service Guide 181
Resistive loads (R
L
) • For E3640A: 2.7 Ω , 150 W/13.5 Ω ,
150 W
• For E3641A: 43.8 Ω , 300 W/120 Ω ,
300 W
• For E3642A: 1.6 Ω , 300 W/8.0 Ω ,
300 W
• For E3643A: 25 Ω , 300 W/75 Ω ,
300 W
• For E3644A: 1.0 Ω , 300 W/5.0 Ω ,
300 W
• For E3645A: 15.9
Ω , 300 W/46.2 Ω ,
300 W
— Measure ripple and noise
Current monitoring
resistor (shunt) – R
M1
0.01 Ω , 0.1%
[1]
ISOTEK Co. model A-H or
equivalent
Constant current test setup
Current monitoring
resistor (shunt) – R
M2
0.2 Ω/250 Ω, 0.1%
[1]
ISOTEK Co. model RUG-Z
or equivalent
Measure current rms ripple and
noise
[1] To find the accurate resistance, it is recommended to use a current monitoring resistor after calibration.
Table 8 - 4 Recommended test equipment (continued)
Equipment Requirement Recommended model Test function