TCPA300 and TCPA400 Performance Verification
Table 7: TCPA30
0 bandwidth measurements
TEKPROBE Interface
Cable Coaxial cable
Range
Vertical
gain
setting
Amplifier
output,
p-p
Vertical
gain
setting
Amplifier
output,
p-p
Bandwidth
filter and
generator
frequency
Correction
factor
1
M1 M2
500 mA/div
~3 A
500 mV/div
~3 V 50 MHz 1.09
1A/V
500 mA/div
~3 A
500 mV/div
~3 V 100 MHz 1.14
5 A/V 1 A/div
~7.5 A
200 mV/div
~1.5 V 50 MHz 1.16
10 A/V 1 A/div
~7.5 A
100 mV/div
~0.75 V 50 MHz 1.11
50 A/V 2 A/div
~15 A
50 mV/div
~300 mV 50 MHz 1.14
50 A/V COMP
2
2A/div
~15 A
50 mV/div
~300 mV 50 MHz 1.00
1
The correction factor accounts for impedance differences between the 50 Ω voltagesourceandtheTCPAamplifier at higher frequencies.
2
Both 10 A
/V and 50 A/V RANGE LEDs light.
Use the table below to record the measurements for the TCPA400 Amplifier.
(See Ta
ble 8.)
Table 8: TCPA400 bandwidth measurements
TEKPROBE Interface
Cable Coaxial cable
Range
Vertical
gain
setting
Amplifier
output,
p-p
Vertical
gain
setting
Amplifier
output,
p-p
Bandwidth
filter and
generator
frequency
Correction
factor M1 M2
1 A/mV 100 A/div
~500 A
100 mV/div
~500 mV 50 MHz 1.09
12 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual