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CT4121

User  Manual                              

1 MΩ // 3 pF 

1.2 GHz 

Active FET Probe

10:1 with 50 Ω T

ermination

POWER

LED

1.2 GHz      10:1      1 MΩ // 3 pF     40 V

pk

 

Summary of Contents for CT4121

Page 1: ...CT4121 User Manual 1 M 3 pF 1 2 G H z A ctiv e FET Probe 10 1 w ith 50 Term in atio n PO W ER LED 1 2 G H z 10 1 1 M 3 pF 40 Vpk...

Page 2: ...nspect the Probe Inspect the probe and accessories for cracks and frayed or broken leads before each use If defects or damages are noted DO NOT USE the probe Handle Carefully Handle the probe with car...

Page 3: ...there is a danger of any liquid being spilled on the probe z z In air temperatures exceeding the specified operating temperatures z z In atmospheric pressures outside the specified altitude limits or...

Page 4: ...duct is subject to Directive 2012 19 EU of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive...

Page 5: ...om the oscilloscope using the included USB power lead Features z z 1 2 GHz bandwidth 3 dB z z Up to 40 V DC AC peak z z Attenuation 10x z z High accuracy 2 z z Power indicator LED z z SMD accessory ki...

Page 6: ...mm 2 Product Overview CT4121 Description Offset Adjust Linear Range 10 1 Absolute Max Range 15 V DC peakAC 40 V DC peakAC CT4121 Active FET Probe POWER LED 1 2 GHz 10 1 1 M 3 pF 40 Vpk BNC Output Con...

Page 7: ...onnector Place the battery inside compartment and then slide the cover back in place See Figure 2 Figure 2 Battery Connection Alternatively connect the 9 VDC power lead to the power jack on the probe...

Page 8: ...o DC coupling and 5V div Center the trace on the display 5 Connect the input pins of probe to a function generator and select a square wave output of 10 V amplitude and 100 kHz frequency 6 A 100 kHz s...

Page 9: ...1 Vertical Scale on Oscilloscope Scope Input Impedance Probe Attenuation Setting Actual Attenuation Setting Vertical Scale Reading on the Oscilloscope Actual Vertical Scale of the Oscilloscope 50 10x...

Page 10: ...se Time probe only 291 ps Attenuation ratio 10x Accuracy 2 Input Dynamic Range DC AC peak 15 V Maximum Input Voltage DC AC peak 40 V Input Impedance 1 M 3 pF typical Output Voltage Swing 1 5 V driving...

Page 11: ...Temp Humidity 30 C to 70 C Up to 85 RH Pollution Degree Pollution Degree 2 Altitude Operating 3 000 m Nonoperating 15 300 m Specifications are subject to change without notice To ensure the most curr...

Page 12: ...800 572 1028 caltestelectronics com 11 Figure 5 Frequency Response of CT4121 Frequency Response...

Page 13: ...nput Impedance Ohm 107 106 105 104 103 102 101 101 102 103 104 105 106 107 108 1 Frequency Hz Black Measured by LCR meter Grey Simulated by Altium software Figure 6 Input Impedance vs Frequency Data G...

Page 14: ...ersons will not be covered by this warranty Cal Test Electronics reserves the right to discontinue models change specifications price or design of this device at any time without notice and without in...

Page 15: ...800 572 1028 caltestelectronics com 14 Notes...

Page 16: ...2017 Cal Test Electronics 450830 001 Rev A...

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