TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
6-11
TCP303 and TCP404XL Adjustments
Each of the following adjustment procedures describes how to adjust specific
performance characteristics of the TCP303 and TCP404XL. Tolerances that are
specified in these procedures apply to the current probe and do not include test
equipment error.
Required Test Equipment
To perform the adjustment procedures in this section, you will need the test
equipment listed in Table 6--8. The test equipment must meet or exceed the
specifications listed. You may need to modify the test procedures if you do not
use the recommended equipment.
Perform the steps on page 6 --1 before starting these procedures. To ensure proper
completion, read each procedure before starting.
Table 6- 8: Required test equipment
Qty Item Description Recommended example
1 Oscilloscope 100 MHz bandwidth Tektronix TDS5000
1 High Amplitude Pul s e Genera-
tor (TCP404XL onl y)
Square wave wi th a rise time <35 ns, ≥5A
into 50 Ω
AVTECH AVR-3-PW-C-P-TEK2
1 Current Probe Ampl ifier Tektroni x TCPA300 (TCP303) or
TCPA400 (TCP404XL)
1 AC Current Source AC A: 0.25% accuracy, 0 to ±5 A, square
wave output, 40 Hz--1 kHz, t
R
<10 s
Wavetek 9100
1 Digital Multimeter AC V: ≤ 0.1% accuracy, 5
1
/
2
digit resolution Keithley 2700
1 Cable TEKPROBE I nterface Tektronix part number 012-1605-00
1 BNC Cable (TCP303 only) 50 Ω, 0.76 m (30 in) long Tektronix part number 012-0117-00
1 Cable Banana pl ugs at ends, 18 inches Tektronix part number 012-0031-00
1 Adapter BNC to Dual Banana Tekt ronix part number 103-0090-00
1 Termination 50 Ω, ±0.1%, 0.5 W Tekt ronix part number 011-0129-00
1 DC Current Loop
(TCP404XL only)
5 turns 18 AWG coated wire Refer to page 5--4
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