Tektronix TCPA300 SERIES, Instruction Manual

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TCPA300 and TCPA400 Performance Verification
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
5- 7
3. Make or verify the equipment settings in Table 5--4:
Table 5- 4: Equipment settings
Digital multimeter
Measurement Type DC volts
Range Autoranging
Current source
Voltage 6 V
Current 100 mA
Output Off
TCPA300 and TCPA400 amplifier
Coupling DC
After the equipment is set up, proceed as follows:
4.
Connect the Calibration Adapter to the
PROBE INPUT
of the amplifier.
5.
For each of the Range settings in Table 5--5, perform the following steps:
a. If you are checking a TCPA300, set the amplifier to the desired Range
setting in Table 5--5.
b.
Enable the output of the current source.
c. Record the exact measurement of the digital multimeter as
M
1
.
Table 5- 5: DC gain accuracy test for the TCPA300 and TCPA400
Amplifier Range, A/V
Current
source out-
put Expected
output, V
E
(VDC)
Measured
output, M
1
(VDC)
% Error,
calculated
TCPA300 1 100 mA 5.0000
5 100 mA 2.5000
10 100 mA 1.2375
50 100 mA 0.4835
50 (COMP)
1
100 mA 0.4585
TCPA400 1 A/mV 100 mA 2.5000
1
Both 10 A/V and 50 A/V RANGE LEDs light.
Procedure