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Appendix Service Information
R e c o m m e n d e d T e s t E q u i p m e n t
Recommended Test Equipment
T h e t e s t e q u i p m e n t r e c o m m e n d e d f o r t h e p e r f o r m a n c e v e r i f i c a t i o n a n d
a d j u s t m e n t p r o c e d u r e s i s l i s t e d b e l o w . I f t h e e x a c t i n s t r u m e n t i s n o t a v a i l a b l e ,
u s e t h e a c c u r a c y r e q u i r e m e n t s s h o w n t o s e l e c t s u b s t i t u t e c a l i b r a t i o n
s t a n d a r d s . I f y o u u s e e q u i p m e n t o t h e r t h a n t h a t r e c o m m e n d e d i n T a b l e A - 2 ,
y o u m u s t r e c a l c u l a t e t h e m e a s u r e m e n t u n c e r t a i n t i e s f o r t h e a c t u a l e q u i p m e n t
u s e d .
Table A-2 Recommended Test Equipment
Instrument
GPIB controller
Full GPIB or RS-232
capabilities
Oscilloscope
100 MHz with 20 MHz
bandwidth
RMS Voltmeter
20 Hz to 20 MHz
Cable (BNC to BNC)
50 ohm, 9 inch (23 Cm)
BNC (Female)
Isolated Ground.
Bulkhead Receptacle
Nominal impedance: 50 Ohm
Split Ferrites
For use with round cable
Digital Voltmeter
Resolution: 0.1 mV
Accuracy: 0.01%
Electronic Load
Voltage Range: 240 Vdc
Current Range: 10 Adc
Open and Short Switches
Transient On/Off
Ω
Resistive Loads (R
)
(2.7
L
Ω
(43.8
Ω
(1.6
Ω
(25
Ω
Current monitoring
(0.01
Resistor (Shunt) - R
M1
Ω/5
Current monitoring
(0.1
Resistor (Shunt) - R
M2
*
To find the accurate resistance, it is recommended to use a current monitoring resistor after calibration.
1
2
E3646A model,
E3647A model,
Requirements
Recommended Model
Agilent 82341C interface
card or equivalent
Agilent 54602B
Agilent 10502A or 10503A if
the 10502A is not available.
Pomona Model 5148
Steward Co. 28A2029-0A0
Agilent 34401A
Agilent 60503B
Ω
1
, 150 W/13.5
, 150 W)
Ω
2
, 300 W/120
, 300 W)
Ω
3
, 300 W/8.0
, 300 W)
Ω
4
, 300 W/75
, 300 W)
*
, 0.1%)
ISOTEK Co. Model: A-H or
equivalent
*
, 1%)
Vishay Co. Model: LVR-5-
W
43 or equivalent
3
4
E3648A model,
E3649A model.
Use
Programming and readback
accuracy
Display transient response and
ripple & noise waveform
Measure rms ripple & noise
Measure rms ripple & noise
(CV PARD, CC PARD)
Measure rms ripple & noise
(CV PARD, CC PARD)
Noise coupling reduction
Measure dc voltages
Measure load and line
regulations and transient
response time.
Measure ripple and noise
Constant current test setup
Measure current rms ripple &
noise
175
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